| 三种内源酸性植物激素与农垦58S育性转换的关系 |
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| 引用本文： | 张能刚,周燮.三种内源酸性植物激素与农垦58S育性转换的关系[J].南京农业大学学报,1992,15(3):7-12. |
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| 作者姓名： | 张能刚 周燮 |
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| 作者单位： | 南京农业大学农学系 210014
(张能刚)，南京农业大学农学系 210014(周燮) |
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| 摘 要： |
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| 关 键 词： | 水稻 光敏核不育 内源激素 育性 |
RELATION BETWEEN ENDOGENOUS ACIDIC PHYTOHORMONES(IAA,GA_(1+4),ABA)AND FERTILE TRANSFORMATION OF PHOTOPERIOD SENSITIVE GENIC MALE-STERILE RICE(PGMR)NONGKEN 58S |
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| Zhang Nenggang,Zhou Xie.RELATION BETWEEN ENDOGENOUS ACIDIC PHYTOHORMONES(IAA,GA_(1+4),ABA)AND FERTILE TRANSFORMATION OF PHOTOPERIOD SENSITIVE GENIC MALE-STERILE RICE(PGMR)NONGKEN 58S[J].Journal of Nanjing Agricultural University,1992,15(3):7-12. |
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| Authors: | Zhang Nenggang Zhou Xie |
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| Abstract: | Endogenous indole-3-acetic acid(IAA),gibberellin 1 and 4(GA_(1+4))and abscisic acid(ABA)have been studied during the fertile transformation of photoperiod sensitive genic male-sterile rice(PGMR)Nongken 58S.IAA content in penultimate lamina and panicle with long day treatment(LD,14h)was lower than that with short day treatment(SD,10h)during fertile transformation sensitive stage.The activity of IAA oxidase in LD was higher than that in SD.Similar results were obtained in double8-14S,another variety of PGMR,It was also found that GA(1+4)/ABA ratio in penultimate lamina of 58S(LD)was lower than that in 58S(SD)and had inverse relation to the activity of IAA oxidase.It is consid-ered that the fertile of PGMR may relate to its IAA deficiency which is caused by the activation of IAAoxidase and the decrease of GA_(1+4)/ABA ratio in its lamina. |
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| Keywords: | photoperiod sensitive genic male-sterile rice(PGMR) IAA deficiency IAA oxidase GA_(1+4)/ABA ratio |
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