Effect of row ratio and leaf clipping on MR365A outcrossing and seed yield
1989
Satoto (Sukamandi Research Inst. for Food Crop, Subang (Indonesia). Plant Breeding Dept.)
The effect of row ratio and leaf clipping on outcrossing rate and seed yield of MR365A (a CMS line developed at IRRI [International Rice Research Institute, Los Banos, Laguna, Philippines]) were evaluated during 1984-85 wet season, in a split-plot design with three replications. Seedlings (21 d) were transplanted at 1 seedling/hill with 20- x 20- cm spacing. Among the three male-to-female ratios tested, seed yields of 1B:4A and 1B:2A were significantly higher than that of 2B:4A. Seed set was not significantly different among the ratios. Leaf clipping increased seed set, but significantly reduced grain/panicle, perhaps because of lower panicle exsertion. Filled grains/panicle and seed yield/sq.m. were not affected by leaf clipping. There was no interaction between row ratio and leaf clipping.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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