Correlation Law Between the Change of Intrinsic Hormones of Potato Tuber and Growth of the Tuber

doi:10.3321/j.issn:1000-7091.1997.02.017

Abstract

Abstract: The relationship between the change of intrinsic hormones in tuber of potato and growth of the tuber at the growing period was investigated systematically by using materials of Jinshu 2,Zihuabai,Neishu 3.The results showed that the change of ABA content with increment of the tuber was significantly positive correlation,and with the increment rate of the tuber was significantly negative correlation.The change of GA₃ ,IAA,CTK content with the growth of the tuber had no marked correlated character.The change of GA₃ /ABA,IAA/ABA and CTK/ABA with the increment of the tuber had a significantly negative correlation,and with the change of increment rate had a significantly positive correlation.The tuber that the breed had a high content of GA₃ ,IAA and low content of ABA in the earlier stage of the growth was formed early and was increased fast,the tuber was bigger.

Key words: Potato, Increment of the tuber, Intrinsic hormone

CLC Number:

S532.032

Liu Mengyun, Mao Xuefei, Men Fuyi, Meng Meilian, Hu Zhiquan. Correlation Law Between the Change of Intrinsic Hormones of Potato Tuber and Growth of the Tuber[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1997, 12(2): 86-92. doi: 10.3321/j.issn:1000-7091.1997.02.017.

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