December 2010
Variations in growth of tubers of field grown Coleus barbatus as affected by different hormonal treatments
The aim of the present study was to determine the effect of Plant Growth Regulators (PGRs) viz. Indole-3-acetic acid (IAA), Gibberellic acid (GA3) and Kinetin in their physiological ranges from 10-7 to 10-5 M on tuberous roots of Coleus barbatus(patharchur) with their respective control. The certified seed material was procured from Forest Research Institute (FRI), Dehradun, Uttarakhand...
December 2010
Offspring of the crosses of two anti-sense potato plants exhibit additive cellulose reduction
Two transgenic potato lines, csr2-1 and csr4-8, containing two different antisense genes: csr2 and csr4, respectively, were crossed to investigate the possibility of achieving reduction in cellulose content in the tuber cell walls of the progeny. The progeny containing both transgenes (double csr2/csr4 transformant) exhibited reduction of 63% in cell wall cellulose content, while the single transformants csr2...
December 2010
Effect of endogenous phenols and some antioxidant enzyme activities on rooting of Persian walnut (Juglans regia L.)
In-vitro cultured microshoots of two Persian walnut cultivars differed in rooting response following induction with auxin (3 mg dm-3 IBA). Microcuttings of the cultivar ‘Sunland’ rooted well (66%) with a mean of 2.81 roots per shoot, while ‘Howard’ microshoots rooted poorly (29%) and produced only 1.6 roots per shoot. Because no exclusive order for the progress of phenolic...
December 2010
Isolation and expression analysis of Berberis chitria Lidl. specific transcripts using subtractive hybridization technique
The method of suppressive subtractive hybridization has been used to detect and clone differentially expressed genes during the development of Berberis chitria Lidl. in cold stress condition. For this, we used two different species, B. chitria Lidl. andBerberis asiatica Roxb., B. chitria containing high yield of berberine and B. asiaticahas less. We used B....
December 2010
Production, characterization and nutritional quality of Napier grass [Pennisetum purpureum (Schum.)] cultivars in Western Kenya
Napier grass [Pennisetum purpureum (Schum.)] is the most popular perennial fodder recommended for smallholder crop-livestock farming systems in Kenya, where 80% of the national milk output is produced. The emergence of new diseases resulting in DM yield losses signals the need to develop alternatives to currently grown cultivars. Eight new cultivars (Kakamega 1, Kakamega 3, Machakos hairless,...
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