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Tolerance to low temperature is an important prerequisite for optimal performance of peanut (Arachis hypogaea L.) in a number of temperate peanut-growing environments. One hundred fifty-eight peanut accessions belonging to five botanical types, known to be tolerant to low temperature (12°C) at germination, were evaluated for phenotypic diversity for 15 morphological traits in the 2001 rainy season...
Androgenetic response and its inheritance was studied in nine winter type and two spring type wheat genotypes by crossing them in line × tester fashion. The 18 F1 and 11 parental genotypes were raised in completely randomized block design with three replications and subjected to anther culture. Data were recorded with respect to per cent calli induction, percent regeneration and per cent green plant...
Leaf and stripe rusts are severe foliar diseases of bread wheat. Recently, chromosomes 5Mg from the related species Aegilops geniculata that confers resistance to both leaf and stripe rust and 5Ut from Ae. triuncialis conferring resistance to leaf rust have been transferred to bread wheat in the form of disomic DS5Mg(5D) and DS5Ut(5A) chromosome substitution lines. The objective of this study was...
A number of breeding institutions developed a project to assess importance of participatory plant breeding approaches for rainfed rice improvement in eastern India. The results of the first two years of participatory varietal selection are reported here. The objective was to evaluate the respective effects of participation of farmers in varietal evaluation and decentralization of varietal testing...
The distribution and allelic expressivity of hybrid necrosis genes (Ne1 and Ne2) were studied in 21 winter (mostly exotic) and 43 spring type elite wheat genotypes, by crossing them with two known testers, C 306 (Ne1-carrier) and HD 2380 (Ne2-carrier).Ne1 gene was present in one north-west Himalayan winter wheat landrace, Shoure Local, but absent in the other winter as well as spring wheats....
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