Lal Chand Prasad

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One hundred fifty-five isolates of Bipolaris sorokiniana of wheat were studied for their morphopathological characterization. These isolates were grouped in five categories—black, brown/dull black, gray cottony growth, dull white/greenish black, and white—on the basis of their growth pattern. The frequency of the black suppressed type was maximum (45.63%),(More)
Screening for resistant barley genotypes in response to fungal toxin of Bipolaris sorokiniana was assessed on standing barley plants as well as in selected callus lines of the same. For the standing lines tested, those manifesting chlorosis in response to toxin infiltration showed a significantly slower disease progress as compared to the necrotic lines.(More)
To understand the genetic control of grain filling duration (GFD), i.e., the number of days from anthesis to physiological maturity, we studied the F1, F2, BC1 and BC2 generations of six spring wheat crosses from nine varieties/genotypes. Generation mean analysis for gene effects indicated that one or more types of epistasis were significant in all crosses.(More)
In India, approximately 58,000 radiation workers are monitored using locally made CaSO4:Dy teflon embedded thermoluminescence dosemeter (TLD) badge system. The automatic hot gas readers developed locally are also used in TL measurements. The hot gas reader system has many advantages over the manual readers used previously and has completely replaced the(More)
A simple model based on the concept of a layered structure near the interface has been used to investigate the surface tension and surface segregation of SnPb and SnZn molten alloys. With increasing concentration of Sn, the surface tension (a) of SnPb alloys has been found to increase, while a of SnZn alloys decreases, a of both systems is smaller than the(More)
1Department of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221 005, India 2Directorate of Wheat Research (DWR), Karnal 132 001, India 3Present address: Department of Biology, Massachussetts Institute of Technology, 77 Massachusetts Avenue 68–659, Cambridge 02139, USA 4Present address: CIMMYT-South(More)
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