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Studies on the use of plant growth retardants for seed production of italian rye grass lolium multiflorum 2. varietal differences in effects of 2 chloroethyltrimethyl ammonium chloride and dikegulac on the seed yield and yield components


Sochi Shikenjo Kenkyu Hokoku (19): 20-26
Studies on the use of plant growth retardants for seed production of italian rye grass lolium multiflorum 2. varietal differences in effects of 2 chloroethyltrimethyl ammonium chloride and dikegulac on the seed yield and yield components
Plant height was markedly decreased by early application of dikegulac but at maturity stage the effect disappeared. Lodging was decreased by early application of CCC [2-1 chloroethyltrimethylammonium chloride] in all varieties. Lodging time was delayed 7-11 days by early application of dikegulac compared with the other treatments in all varieties except 'Waseaoba'. The weight of seeds/ear was increased by CCC and was decreased by dikegulac in all varieties. The seed yield was increased by CCC in 'Waseaoba' and 'Waseyutaka' showing the varietal difference in its effect; it was decreased by dikegulac in all varieties. No significant difference among varieties was found. The effects of CCC and dikegulac differed among the varieties of Italian ryegrass in seed yield and yield components depending on the time of application.

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Accession: 006522838



Related references

Studies on the use of plant growth retardants for seed production of Italian ryegrass (Lolium multiflorum Lam.). II. Varietal differences in effects of CCC and dikegulac on the seed yield and yield components. Bulletin of the National Grassland Research Institute (19): 20-26, 1981

Studies on the use of growth retardants in seed production of Italian ryegrass. II. Varietal differences in the effect of CCC and dikegulac treatments on seed yield and its components. Bulletin of the National Grassland Research Institute (19): 20-26, 1981

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