September 2011
Quantitative genetic analysis of flowering time, leaf number and photoperiod sensitivity in maize (Zea mays L.)
Photoperiod sensitivity is a major difficulty of broadening the resources of breeding germplasms and widening the planting area of varieties in maize. The objective of this study was to dissect the quantitative genetic control of days to pollen shed (DPS), days to silking (DS), anthesis-silking interval (ASI), LNB (the leaf number below the top ear), LN (the total leaf number), and photoperiod sensitivity...
September 2011
In-vitro culture of Hevea brasiliensis (rubber tree) embryo
In the time past, grafting buds from selected clones on seedlings or plants from seed orchards were used traditionally to propagate rubber trees. Selected seeds were frequently used because their level of resistance to diseases is known. Micro-propagation of rubber tree was the method used in the propagation of Hevea brasiliensis in this experiment, which is an approach different from the...
September 2011
Analysis of variabilities in populations of Nardostachys jatamansi DC. in Garhwal Himalaya, India
Nardostachys jatamansi DC. is an endangered medicinal and aromatic plant species. Considering the status and importance, there is an urgent need of its conservation, cultivation and crop improvement. Variability studies may serve as an important tool for effective conservation and crop improvement program. Therefore, germplasm was collected from different natural population and transplanted in...
September 2011
Amylopectin molecular structure and functional properties of starch from three Ugandan cassava varieties
Amylopectin molecular structure is a very important determinant of starch functional properties. The main purpose of this study was to determine the strength of the relationship between the amylopectin structure of starches from cassava varieties and their functional properties. TME14 had the highest (46.63%) proportion of A chains while Bamunanika had the lowest 42.27%. Bamunanika had the highest (23.33%)...
September 2011
Genetic variability, stability and relationship among some Cowpea, Vigna unguiculata (L.) Walp breeding lines
The contribution of cowpea to food security in the sub-Sahara Africa is incontestably obvious. Ten genotypes of cowpea were evaluated in different environments to assess their variability and stability. The genotypes differed significantly (P≤0.05) with respect to all the eight phenotypic traits studied. Days from planting to first flower production and to first ripe pod showed the least coefficient of...
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