HETEROSIS FOR RATE OF NITROGEN UPTAKE IN F_1 RICE HYBRIDS
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概要
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Rate of nitrogen uptake and dry or fresh weight in 8 F_1 rice hybrids at the vegetative stage were compared with the corresponding parental values. Dry and fresh weight, amount and rate of nitrogen uptake per plant showed heterosis (ratio of F_1 hybrid to mean parental value), unlike the rate of nitrogen uptake per unit weight. Heterosis for dry weight was not correlated with that for the ^<15>N uptake rate per unit plant weight. Thus, the higher nitrogen uptake of the F_1 hybrids was presumably not due to the higher rate of nitrogen uptake, but to their larger weight.
- 社団法人日本土壌肥料学会の論文
著者
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Yoshida H
National Inst. Crop Sci. Ibaraki Jpn
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SUZUKI Yasuhiro
Hokuriku National Agricultural Experiment Station
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Suzuki Yasuhiro
Graduate School Of Agricultural Science Tohoku University
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YOSHIDA Hisashi
Hokuriku National Agricultural Experiment Station
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MOROOKA Minoru
Hokuriku National Agricultural Experiment Station
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- HETEROSIS FOR RATE OF NITROGEN UPTAKE IN F_1 RICE HYBRIDS