Inheritance of seed weight in grasspea (Lathyrus sativus L.)
1996
Tiwari, K.R. (National Grain Legume Research Program, Rampur (Nepal)) | Campbell, C.G. (Agriculture and Agri-Food Canada Research Centre, Morden (Canada))
A study was undertaken to investigate the mode of inheritance of seed weight, an important agronomic trait in grasspea. One large-seeded line, L720060, was crossed with two small-seeded lines, L900436 and LS82046. The parents, F1 and F2 progenies were evaluated under field conditions and the seed weight recorded. The F1 and F2 progenies of large-seeded x small-seeded lines had intermediate seed weights. Continuous variation together with normal distribution of the F2 progenies indicated that this trait is quantitatively inherited. Cytoplasmic influence was not detected. Broad-sense heritability was estimated at 26-31 percent. Seed weight and seed yield were positively correlated with each other
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