Journal of
Plant Breeding and Crop Science

  • Abbreviation: J. Plant Breed. Crop Sci.
  • Language: English
  • ISSN: 2006-9758
  • DOI: 10.5897/JPBCS
  • Start Year: 2009
  • Published Articles: 416

JPBCS Articles

Nature of gene action for yield and yield components in exotic genotypes of Italian millet [Setaria italica (L.) Beauv]

May 2013

    The present investigation was carried out with the objective to find out the extent of genetic variation, heritability and genetic advance for 13 characters in 34 exotic genotypes of Italian millet during Autumn 2008 and Spring 2009. High phenotypic coefficients of variation (PCV) coupled with high genotypic coefficients of variation (GCV) were observed for grain yield per...

Author(s):     P. Lakshmi Prasanna, J. S. V. Samba Murthy, P. V. Rama Kumar and V. Srinivasa Rao

Genotype x environment interaction and stability analysis for yield and its components in lentil

May 2013

    The objective of this investigation is to determine the performance and stability of 24 lentil (Lens culinaris Medik.) genotypes under a wide range of variable environments. The regression model and ecovalence (Wi) were used to analyze the response of the lentil genotypes to variable environmental conditions for yield and some of its components in six experiments in three...

Author(s): S. R. E. Abo-Hegazy, T. Selim and A. A. M. Ashrie

Agronomical evaluation of six soybean cultivars using correlation and regression analysis under different irrigation regime conditions

May 2013

    Two field experiments were conducted during summer seasons of 2011 and 2012 to study the effect of irrigation regimes at different growth stages on seed, oil and protein yields of soybean cultivars. The interrelationships among seed yield ha-1 and its attributes through simple correlation and stepwise regression analysis were evaluated. The results indicated that the...

Author(s): Ashraf A. Abd El-Mohsen, Gamalat O. Mahmoud and Sayed A. Safina

Selection of pepper parent from a collection of Capsicum annuum landraces based on genetic diversity

May 2013

    Phenotypic divergence among eleven landraces belonging to a collection of Capsicum annuum species and maintained at the Faculty of Science, University of Tunis, was quantified by multivariate analysis for seven morphological traits. The multivariate data set was analyzed by canonical discriminant analysis in combination with a clustering procedure using generalized...

Author(s): Karima Lahbib, Fethi Bnejdi and Mohamed El Gazzah

Performance of nine cassava (Manihot esculanta Crantz) clones across three environments

April 2013

    The study was carried out to quantify the genotype × environment interaction (G × E) and to estimate the phenotypic stability by genotype genotype × environment (GGE) biplot of nine cassava clones comprising 5 hybrids, 3 parent checks and 1 improved variety. The study was planted across three different environments; Fumesua, Pokuase and Ejura...

Author(s):     Peprah Bright Boakye, Ofori Kwadwo, Asante Isaac K. and Elizabeth Yaa Parkes,

Yield parameters and stabilty of soybean [Glycine max. (L.) merril] as influenced by phosphorus fertilizer rates in two ultisols

April 2013

    A field study was conducted for two years to assess the spatial and temporal effect of Phosphorus fertilizer on the yield, yield components and yield stability of five soybean genotypes in Umudike and Amakama in eastern Nigeria. The study was laid out as a split-plot in a randomized complete block with three replications. P rates of 0, 10, 20, 30 and 40 kg P/ha...

Author(s): Ikeogu U. N. and Nwofia G. E.

WAB-450: A valuable donor of earliness and productivity traits for rice breeding programme under rainfed upland ecosystem

April 2013

    This study focused on evaluation of introgressed population for earliness in flowering and productivity under rainfed upland rice ecosystem. The population was derived from inter-varietal cross between early maturing Africa upland land rice WAB-450, an inter-specific derivative as donor and Swarna, a mega rice variety from India, as recurrent parent. One hundred and...

Author(s):     Sangodele Emmanuel A., Hanchinal R. R., Hanamaratti N. G., Vinay Shenoy, Nadaf H. L. and Mohan Kumar V.

Heterosis and nature of gene action for yield and its components in faba bean (Vicia faba L.)

March 2013

  Five Egyptian parental genotypes of Faba bean were used for carrying out half diallel design to study heterosis and nature of gene action for earliness, vegetative, yield and yield components traits. Mean squares of genotypes were found to be highly significant for all studied traits. The results showed that the majority of crosses exhibited significant heterosis estimates for better parent for all studied...

Author(s): Hazem A. Obiadalla-Ali, Naheif E. M. Mohamed, Ahmed A. Glala and Mohamed H. Z. Eldekashy

Combining abilities of maize inbred lines for grey leaf spot (GLS), grain yield and selected agronomic traits in Kenya

March 2013

  The genetics of resistance to grey leaf spot (GLS) disease, grain yield and selected agronomic traits was studied in 42 F1 progenies from a full diallel cross among seven maize inbred lines. These 42 F1 progenies and seven parents were evaluated at three locations; Kenya Agricultural Research Institute (KARI), Kiboko, KARI Kakamega and University of Nairobi (Field station) during the period June...

Author(s): Nzuve, F., Githiri, S., Mukunya, D. M. and Gethi, J.

Allelic data revealing interrelatedness in rice species (Oryza sativa, Oryza glaberrima, Oryza barthii) and the interspecific hybrids (NERICA)

February 2013

  The current level of genome coverage provided by microsatellite markers in rice is sufficient for DNA fingerprinting, providing Information on diversity and population structure which is expected to assist plant breeders by providing a more rational basis for expanding the gene pool and for identifying material that harbours alleles of value for plant improvement. Allelic data from the species studied...

Author(s): R. Aliyu, A. K. Adamu and G. B. Gregorio

Salinity effect on plant growth at the seedling stage of durum wheat (Triticum durum Desf.)

February 2013

  Soil salinity is a serious threat in many parts of the world in general and of Tunisia in particular, which negatively affects plant production. In this experiment, response of durum wheat to salinity in seven genotypes namely; four local cultivars (Azizi, Jenah Khotifa, Hmira and Swebâa Eljia), two improved varieties (Karim and Om Rabia) and an algerian cultivar (Oued Zeneti)] to salinity (0 and 100 mM...

Author(s): Karmous Chahine, Ayed Sourour, Trifa Youssef and Slim-Amara Hajer

Rapid and high-precision marker assisted backcrossing to introgress the SUB1 QTL into the Vietnamese elite rice variety

February 2013

    Submergence stress regularly influences about 15 million hectares of rice growing areas in South and Southeast Asia. Vietnam is one of the most vulnerable countries affected by submergence stress in Asia. Submergence caused by typhoons and floods is one of the major reasons for rice production losses in this country. A majorquantitative trait locus (QTL) on chromosome...

Author(s): Tran Dang Khanh, Le Hung Linh, Ta Hong Linh, Le Huy Ham and Tran Dang Xuan

Effect of different NaCl levels in nutrient solution on the Pennisetum spp. genotypes

January 2013

    The aim of this research was to evaluate the effect of three NaCl levels in nutrient solution on initial development and regrowth of nine Pennisetum spp. genotypes. The experiment was carried out in greenhouse conditions, using a completely randomized design, distributed in a 9 × 3 factorial arrangement [nine Pennisetum spp. genotypes (Cameroon,...

Author(s):         M. Cavalcante, B. L. Viana, L. A. D. S. Costa, E. Bezerra, Neto, J. C. B. Dubeux Júnior and M. A. Lira  

Combining ability and heterosis for aluminium stress tolerance of soybean roots and shoots grown in acid sand culture

January 2013

  A six parent F2 diallel of soybeans was evaluated in potted acid sand culture with the objective of estimating combining ability and heterosis for aluminium stress tolerance. Highly significant differences were observed among the genotypes, crosses (F2/R), Parents, F2, Reciprocals (R) and Parents Vs (F2/R) for the root dry weight, shoot dry weight and relative root surface area. Both general combining...

Author(s): G. O. S. Ojo and S. A. Ayuba

DNA fingerprinting and estimation of genetic diversity among hybrid rice parental lines (Oryza sativa L.) using simple sequence repeats (SSR) markers

December 2012

  Molecular fingerprinting and genetic distance analysis of twelve commercial hybrid rice parental lines were carried out using simple sequence repeats (SSR) markers. Out of hundred SSR markers screened, sixty two were found to be polymorphic. A total of 203 alleles were recorded as 0 to 1 data set (presence-1 and absence-0) with an average of 3.2 alleles per loci. Most of the primer sets generated fingerprint...

Author(s): Nirmala Rajendran, Lipi Mukherjee, K. Kamalnath Reddy and H. E. Shashidhar,

Molecular characterization of groundnut (Arachis hypogaea L.) accessions from a gene pool: Application of gamma ray radiations

December 2012

  Cultivated peanut or groundnut (Arachis hypogaea L.) native to South America is an important source of oil and protein. Knowledge of genetic diversity within and among varieties in a crop is prerequisite to its improvement. In the present study, the level of genetic variability among groundnut accessions from a gene pool was analyzed using inter-simple sequence repeat (ISSR) markers. The effect of...

Author(s): L. Tshilenge-Lukanda, K. K. C.Nkongolo, R. Narendrula, A. Kalonji-Mbuyi,and R. V. Kizungu

High temperature combined with drought affect rainfed spring wheat and barley in south-eastern Russia: Yield, relative performance and heat susceptibility index

December 2012

  Among all abiotic stresses, drought is undoubtedly the major factor, which, individually or combined with heat stress, limits crop productivity worldwide. Considering these facts, four spring barley and two spring wheat genotypes were evaluated under two stress (early and late) conditions in a southern arid region of Russia in order to identify suitable spring wheat and barley genotypes for that region and to...

Author(s): Akbar Hossain, Jaime A. Teixeira da Silva, M. V. Lozovskaya, V. P. Zvolinskyand V. I. Mukhortov

Genetic variability and correlation studies in the fluted pumpkin (Telfairia occidentalis Hook F.)

November 2012

  Thirty-five genotypes of the fluted pumpkin (Telfairia occidentalis) collected from seven states in Southern Nigeria were evaluated for ten agronomic characters. The results obtained showed considerable variation among the genotypes for all characters studied. Low level of environmental influence was observed in the expression of all the characters studied except number of branches per plant and internode...

Author(s): Fayeun L. S., A. C. Odiyi, S. C. O. Makinde and O. P. Aiyelari

Combining ability of maize inbred lines resistant to Chilo partellus (Swinhoe) in the mid-altitude environment of Kenya

November 2012

  Gene action conditioning important traits in maize is useful to breeders in order to design appropriate breeding methods. A study was conducted to determine the combining ability of 10 maize inbred lines adapted to Kenya’s mid-altitude environment and being resistant to spotted stem borer, Chilo partellus. The inbred lines were crossed in a diallel scheme and the resulting 45 single crosses...

Author(s): J. Gakunga, S. Mugo, K. Njoroge and F. Olubayo

Forage potentials of interspecific hybrids between elephant grass selections and cultivated pearl millet genotypes of Nigerian origin

June 2012

  This study was conducted to highlight the forage potentials of related Pennisetumspecies through interspecific hybridization. Non-reciprocal crosses were made involving two selections of elephant grass (Pennisetum purpureum Schumach) (♂), S.13 and S.15, and five cultivated pearl millet (Pennisetum glaucum (L.) R. Br.) (♀) genotypes in...

Author(s): Ekemini E. Obok, Micheal E. Aken’Ova and Godfrey A. Iwo

Variation in carbon isotope ratio and its relation to other traits in peanut breeding lines and cultivars from U.S. trials

June 2012

  Water availability across U.S. peanut (Arachis hypogaea L.) producing areas is becoming threatened due to years of drought and competing urban demands. High water-use efficiency (WUE) has now become a priority in many peanut breeding programs. To support this effort, the variation in WUE, as measured by carbon isotope composition (d13C), of up to 19 cultivars was evaluated in Alabama, Georgia, Florida,...

Author(s): D. Rowland, N. Puppala, J. Beasley, Jr., M. Burow, D. Gorbet, D. Jordan, H. Melouk, C. Simpson, J. Bostick and J. Ferrell

Ethyle methane sulphonate (EMS) induced mutagenic attempts to create genetic variability in Basmati rice

April 2012

  Chemical mutagens have long been used to create genetic variability in crop plants for breeding research and genetic studies. In rice, more than 500 varieties have been released through induced mutations. Ethyl methane sulphonate (EMS) is the most commonly used chemical mutagen in plants. EMS normally induces Gas chromatography GC to AT transitions in the genome and thus resulting protein in the...

Author(s):   J. I. Wattoo, K. Aslam, S. M. Shah, G. Shabir, M. Sabar, S. A. Naveed, R. Waheed, Samiullah, Q. H. Muqaddasi and M. Arif  

Morphological and molecular characterization of six of the most frequently cultivated hard wheat varieties in Tunisia

April 2012

  To effectively differentiate and characterize six of the most cultivated hard wheat (Triticum durum Desf) varieties in Tunisia, morphological and molecular markers were used. In the former approach, 10 qualitative characters were employed, as recommended by UPOV descriptors. Twelve of the 17 screened simple sequence repeat (SSR) primers showed clear polymorphic patterns following agarose and...

Author(s): Sahari Khoufi, Khalil Khamassi, Jaime A. Teixeira da Silva, Ramzi Chaabaneand M. Barek Ben Naceur

Scope for utilization of native specialty landraces, cultivars and basmati types in rice heterosis breeding

April 2012

  Traditional landraces and basmati lines are useful pool of important traits and need to be analyzed for hybrid breeding utilization in rice. Furthermore, released cultivars have good agronomic characters which can be used directly in the hybrid breeding program. A study was conducted on 80 landraces, 5 basmati lines and 36 cultivars to characterize them, for fertility restoration traits and identification of...

Author(s): Pawan Khera, Rahul Priyadarshi, Akhilesh Singh, Rashmi Mohan, K. Ulaganathan and Vinay Shenoy

Analysing and modeling the relationship between yield and yield components in sunflower under different planting dates

April 2012

  The relationships between planting dates and yield and it's components in sunflower was evaluated through orthogonal polynomial regression analysis. Five field experiments were conducted during the summer season of 2011 to study the effect of five planting dates and three oilseed sunflower genotypes and their interactions on yield and yield components of sunflower. The highest seed yield, oil yield, plant...

Author(s): Ashraf Abd El-Aala Abd El-Mohsen

Application of principal component analysis for rice germplasm characterization and evaluation

March 2012

  This study gave empirical evidence on sixteen agro-morphological data that were collected from one hundred and twenty three rice germplasm comprising of Oryza sativa and Oryza glaberrima lines including checks. The data was collected from thirteen villages in two States in Nigeria and were characterized using ANOVA model. Among the studied traits, high coefficients of variation were...

Author(s): Maji A. T. and Shaibu A. A.

Screening of tomato (Solanum lycopersicum L.) genotypes at different salinity levels

March 2012

The experiment was conducted at 10 and 15 dS/m along with control condition. The accessions namely; PB-BL-1076, BL-1079, LO-2576, 017902, LO-3686, 017859, 017860 and 017867 were used. Different morphological and physiological characters such as number of flowers, number of flowers shed, number of fruits, number of leaves/plant, number of days for fruit setting, Na+ concentration, K+ concentration and...

Author(s): Shameem Raja, Sajid Shokat, Faqir Muhhammad Azhar, Muhammad Tehseen Azhar and Asif Ali Khan

Selection and breeding experiments at the haploid level in maize (Zea mays L.)

March 2012

  Selection at the haploid level allows increasing the efficiency of recurrent selection procedures. After four cycles of a recurrent selection approach involving haploid plants, grain yield of a synthetic population, SPC4, was at the same level as that of current commercial hybrids. The SPC4 population had a good performance in comparison with 27 synthetic populations obtained from Iowa State University....

Author(s): Rotarenco Valeriu, Dicu Georgeta, Mihailov Mihail and State Daniel

Genetic variability, correlation and path coefficient analysis of some yield components of ten cowpea [Vigna unguiculata (L.) Walp] accessions

March 2012

  Field experiments were conducted in 2006 and 2007 to estimate genetic variability, heritability, correlations and path analysis of some reproductive characters on grain yield of 10 cowpea accessions. The experiment was laid out in a Randomized Complete Block Design (RCBD) at the research farm, University of Nigeria, Nsukka. The accessions showed significant (p<0.05) variability for days to 50% flowering,...

Author(s): W. Manggoel, M. I. Uguru, O. N. Ndam and M. A. Dasbak

Photosynthate remobilization capacity from drought-adapted common bean (Phaseolus vulgaris L.) lines can improve yield potential of interspecific populations within the secondary gene pool

February 2012

  Interspecific lines obtained from crosses between common bean (Phaseolus vulgaris L.) and other species from its secondary gene pool have a tendency for excessive vegetative growth and low grain yield. Contrariwise, drought-adapted common bean lines have been observed to produce high yields despite low shoot biomass production. This was attributed to greater remobilization of photosynthates to grain...

Author(s): Stephanie M. Klaedtke, Cesar Cajiao, Miguel Grajales, José Polanía, Gonzalo Borrero, Alberto Guerrero, Mariela Rivera, Idupulapati Rao, Stephen E. Beebe and Jens Léon

Tracking fruit size increase in recombinants obtained from an interspecific cross between cultivated tomato (Solanum esculentum) and wild tomato relative (S. pimpinellifolium)

February 2012

  The present study was conducted to track the progress in fruit size increment in inter-specific tomato hybrids from F1 to F12 generation. Selection was imposed at every generation and the incremental rate in single fruit size from one generation to another was obtained using relative performance difference (RPD) between successive generations. Increase in fruit size was vivid at every generation and...

Author(s): Atugwu, Agatha Ifeoma and Uguru, Michael Ifeanyi

Performance of durum wheat (Triticum durum L.) doubled haploids derived from durum wheat x maize crosses

February 2012

  Performance of durum wheat doubled haploids derived from durum wheat x maize crosses and their parents (Jenah khotifa, Biskri, Karim and Razzek) was evaluated on the basis of germination percentage and six morphological traits such as plant height, spikeless tillers/plant, spike tillers/plant, days from sowing to 50% ear emergence, kernels/spike and 1000-kernel weight. The results indicated that the doubled...

Author(s): Ayed Sourour, Chamekh Zoubeir, Tayachi Ons, Trifa Youssef and Slim-Amara Hajer

Genetic variability of Ethiopian fenugreek (Trigonella foenum-graecum L.) landraces

February 2012

  Keeping in view the lack of information on genetic diversity in Ethiopian, 144 random samples of fenugreek accessions with standard check were used to determine the extent and pattern of genetic diversity and associations with their geographic origins.The field experiment was conducted at Adadi and Ambo during 2006 and 2007 cropping seasons. Treatments were arranged in a 12 ×12 simple lattice...

Author(s): Million Fikreselassie, Habtamu Zeleke and Nigussie Alemayehu

Identification of best heterotic crosses for yield and water use efficiency traits in groundnut (Arachis hypogaea L.)

January 2012

  A set of 28 crosses involving 8 parents were studied to get the information on the extent of heterosis over mid parent, better parent and standard parent for yield and physiological attributes. The maximum better parent heterosis for pod yield was observed to be 92.73% and that of mid parent and standard parent was found to be 101.52 and 108.54% respectively. TIR-25 x TCGS-647, TPT-4 x TIR-25, K-1375 x...

Author(s):   K. John, P. Raghava Reddy, K. Hariprasad Reddy, P. Sudhakar and N. P. Eswar Reddy  

Cross-species amplification of 349 melon (Cucumis melo L.) microsatellites in gherkin (Cucumis anguria L.)

January 2012

  Gherkin (Cucumis anguria L.), also known as West Indian gherkin, burr gherkin, and maxixe, is mainly cultivated and consumed in India, Brazil, and the United States. Marker-assisted selection (MAS) is a highly desirable tool for gherkin breeding, because gherkin cultivation generally requires time, labor, and space. However, few DNA markers for gherkin have been reported. Cross-species amplification of...

Author(s): Yuichi Matsumoto, Nobuyoshi Watanabe and Tsutomu Kuboyama

Current progress of biosafe selectable markers in plant transformation

January 2012

  Plant transformation plays a crucial role in modern plant breeding system, leading to the improvement of agronomical traits and fundamental studies of plant science. To develop an efficient and reliable transformation approach, selectable marker is the prerequisite and extremely useful in enabling successful transformation. A number of environmental safe and user-friendly selectable marker genes have been...

Author(s): Zhengyi Wei, Xingzhi Wang and Shaochen Xing,

Transformation of chickpea lines with Cry1X using in planta transformation and characterization of putative transformants T1 lines for molecular and biochemical characters

December 2011

  The transgenic plants of the chickpea (cicer arietinum) cv. KAK-2 expressing a Bt gene, were generated using an Agrobacterium tumefaciens mediated transformation system. A tissue culture-independent transformation method, in planta which targets the A. tumefaciens to the apical meristem was used in this study. The protocol involves in planta inoculation of the embryo...

Author(s): Asharani, B. M., Ganeshaiah, K. N., Amrita Raja Vinod Kumar and Udayakumar Makarla

Agronomic performance of five varieties of annual wormwood (Artemisia annua L.) in the humid tropics of Ghana

December 2011

  The agronomic performance of five varieties of Artemisia annua was assessed in the humid tropics of Ghana at the Agriculture Research Station, Anwomaso during the 2008 major growing season. The experiment also examined the effects of variation in the stage of harvest on the plant growth traits and yield. The randomized complete block design was used with five A. annua varieties (New...

Author(s): Yeboah, S., Akromah, R and Asare, E.

Morpho-biochemical variability and selection strategies for the germplasm of Fritillaria roylei Hook (Liliaceae) -an endangered medicinal herb of western Himalaya, India

December 2011

  Fritillaria roylei Hook. (Liliacece) is an important medicinal herb of the Astavarga group, distributed in sub-alpine to alpine regions of the Himalayas. Its bulbs are an important constituent of many medicines and health tonics. Over exploitation for medicinal uses has decreased the availability of F. roylei in natural habitats and brought this species into endangered, making conservation and...

Author(s): R. S. Chauhan, M. C. Nautiyal, Rajiv K. Vashistha, P. Prasad, A. R. Nautiyal, Arun Kumar and J. A. Teixeira da Silva

Nutrient and mineral elements levels in four indigenous tree seeds in Sokoto State, Nigeria

December 2011

  This study was conducted at Usmanu Danfodiyo University, Sokoto, Nigeria to determine the nutrient composition of four tree seeds. The tree species served as treatments and were replicated four times in a completely randomized design. The seeds of the four tree species randomly selected were analysed for the nutrient and mineral elements. The results showed that; highest moisture and fat contents of 13.75 and...

Author(s): Bello A. G. and I. Abdu

Effect of phosphorus and organic matter on phosphorus status of winter wheat at different part and growth stages

December 2011

  Knowledge about nutrient demands of plants at different growth stages is important in scheduling the fertilizer application. This study was conducted to determine the influence of three phosphorus (P) levels [0, 25, and 50 mg kg-1 soil as (Ca (H2PO4)2] and two organic matter (OM) levels (0 and 2% w/w as feedlot cattle manure) on winter wheat (Triticum aestivum L.) characteristics and P status in...

Author(s): Maryam Zahedifar, Najafali Karimian, Abdolmajid Ronaghi, Jafar Yasrebi, Yahya Emam and Ali Akbar Moosavi

Genotype by trait relations of yield and yield components in aromatic peppers (Capsicum annuum) based on GT biplot

November 2011

  Drastic changes in random environment and lack of cultivar evaluation and multiple trait assessment across years are major constraints to pepper breeding in derived savanna agro-ecology. Ten genotypes of aromatic pepper grown in randomized complete block design were used to investigate the genotype by trait (GT) biplot analysis and to examine its effectiveness in visualizing fresh fruit yield and yield...

Author(s): Abu, Ngozi E., Uguru, M. I. and Obi, I. U.

Winter wheat cultivars responses to allelopathic potential of wild barley (Hordeum spontaneum Koch) extracts

November 2011

  Greenhouse and laboratory studies were conducted to examine the effects of allelopathic potential of wild barley shoot and root extracts on seed germination and seedling growth of five winter wheat cultivars. Plant materials containing 1.8, 3.6, 5.4, 7.2, 9.0 g shoot, and 3, 6, 9, 12, 15 g root were soaked in distilled water for 24 h. Then, the extracts were collected and filtered. Shoot and root extracts...

Author(s): Donya Hamidi and Hosein Ghadiri

Phenomic analyses of Indian and exotic accessions of Sesame (Sesamum indicum L.)

November 2011

  A phenomic approach was undertaken to characterize seventy one accessions of sesame (Sesamum indicum L.) procured from India, Venezuela and USDA following the descriptor of NBPGR and IPGRI. The phenotypic traits varied extensively and the degree of polymorphism was highest in case of seed coat colour while few traits exhibited only binary type character state. Morphological observation...

Author(s): Ranjana Prasad and Gaurab Gangopadhyay

Anti-nutritional factors as screening criteria for some diseases resistance in sesame (Sesamum indicum L.) genotypes

November 2011

  Since sesame genotypes differed significantly in the levels of anti-nutritional factors (phytate, trypsin inhibitor and tannins), these anti-nutritional factors were examined as screening criteria for diseases resistance. Forty eight sesame genotypes from different sources were grown in soil infested by Fusarium oxysporum (FOS) and Macrophomina...

Author(s): Mohamed Abd El-Himed Sayed Ahmad El-Bramawy

Characterization of okra (Abelmoschus spp. L.) germplasm based on morphological characters in Ghana

November 2011

  Twenty five accessions of okra collected in Ghana were evaluated for phenotypic identity, diversity and quality based on morphological characters. Qualitative and quantitative characteristics were measured and scored as specified by the standard international crop descriptor for okra. A dendrogram was generated for morphological data based on the simple matching coefficient, and four cluster groups were...

Author(s): D. Oppong-Sekyere, R. Akromah, E. Y. Nyamah, E. Brenya and S. Yeboah

Chemical composition of essential oils of two cultivated Eucalyptus species from the central Iran

November 2011

  The chemical composition of essential oils of leaves of two cultivated species,Eucalyptus loxophleba Benth. and Eucalyptus leocoxylon F. Muell. in the central of Iran were obtained by hydrodistillation and analyzed by gas chromatography, using flame ionization and mass spectrometric detection. A total of thirty nine compounds representing 98.0% of total oil have been identified in the oil...

Author(s): Mehdi Rahimi-Nasrabadi and Hossein Batooli

Studies on genetic architecture of biparental progenies for important yield attributes in rice (Oryza sativa L.)

October 2011

  An experiment was conducted to develop and evaluate the biparental progenies (BIPs) for important yield component traits in three rice cross combinations, namely, JGL 384 × Rasi (Cross I), KJTCMS 5B × IR 64 (Cross II), WGL 14 × Rasi (Cross III). Genetic analysis of biparental progenies revealed that, the traits, namely, days to 50% flowering, plant height and number of productive tillers per...

Author(s): A. Mahalingam, S. Robin, K. Mohanasundaram and R. Pushpam

Variation and association among characters genetically related to yield and yield stability in Coffea canephora genotypes

October 2011

  Water deficit stress is a main factor determining yield and yield stability in Robusta coffee (Coffea canephora P.). Studies were conducted to identify agronomic traits that offer genetic sources of drought tolerance associated with yields and yield stability. In a nine-year experiment, 18 genotypes were assessed for mean value and variation in three diverse environments, for nine vegetative traits, five...

Author(s): E. Anim-Kwapong, G. J. Anim-Kwapong and B. Adomako

Morphovariability and agronomic characteristics of soybean accessions from the Democratic Republic of Congo (DR-Congo) gene pool

October 2011

  Soybean [(Glycine max (L.) Merr.] is the most important grain legumes in the world in terms of total production. But only a fraction of its accessions has been characterizedbased on origin, morphometric traits, agronomic performance and seed composition. This crop is now cultivated to a very limited extent in twenty one sub-Saharan African countries. The main objective of the present study is to...

Author(s): J. Mudibu, K. K. C. Nkongolo and A. Kalonji-Mbuyi,

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