Heterosis and inbreeding depression in linseed
نویسندگان
چکیده
منابع مشابه
Heterosis and Inbreeding Depression in Two Soybean Single Crosses
Heterosis is considered to be of little importance in soybean (Glycine max L. Merr.) because the crop is produced as “pure-line” cultivars or blends of inbred lines. The F1 generations Holladay/ Hutcheson (Cross 1) and Brim/Boggs (Cross 2) were generated by hand pollinations. Inbred generations were generated by bulk selfing. The F1, F2, F3, F4, and F5 generations were yield-tested in replicate...
متن کاملA next generation of studies: Heterosis and inbreeding depression
Heterosis or hybrid vigor is a phenomenon in which the F1 progeny is superior in characteristics than its inbred parents. Inbreeding depression refers to the reduced vigor in the offspring from matings involving related parents. The world’s most important grain crop, Zea mays exhibits significant heterosis and inbreeding depression, and despite billions of dollars of sales and investments in hy...
متن کاملMechanisms of Inbreeding Depression and Heterosis for Profitable Dairying
Genes in diploid organisms operate singly, in pairs, and in conjunction with genes at other locations throughout the nuclear DNA. Inbreeding depression and heterosis arise from the effects of gene combinations, that is, the effects of pairs of genes. Gene pairs are unique characteristics of individuals that are broken down and reformed each generation. This basic biological fact, introduced to ...
متن کاملThe effect of inbreeding rate on fitness, inbreeding depression and heterosis over a range of inbreeding coefficients
Understanding the effects of inbreeding and genetic drift within populations and hybridization between genetically differentiated populations is important for many basic and applied questions in ecology and evolutionary biology. The magnitudes and even the directions of these effects can be influenced by various factors, especially by the current and historical population size (i.e. inbreeding ...
متن کاملHeterosis and Inbreeding Depression for Forage Yield and Fiber Concentration in Smooth Bromegrass
take potential (Van Soest, 1994). The concentration of NDF is heritable in several forage species, and rates of gain Voluntary intake is generally considered to be the single most from selection for reduced NDF concentration of herbimportant factor limiting animal performance on high-forage diets. Neutral detergent fiber (NDF) is the laboratory variable most closely age are reported to be as hi...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: ADVANCE RESEARCH JOURNAL OF CROP IMPROVEMENT
سال: 2016
ISSN: 0976-5603,2231-640X
DOI: 10.15740/has/arjci/7.1/171-175