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《Chinese Potato》 1994-03
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THE EFFECT OF GA3 AND ABA ON THE FORMATION OF POTATO TUBER

Meng Meilian, Liu Mengyun, Men Fuyi and Zhang Hongzhi ( Inner Mongolia College of Agriculture and Animal Husbandry, Huhhot 010018 )  
The experiment result shows that the contents of ABA in leave and underground stem at the tuber forming stage are significantly higher than the other stages, but the contents of GA3 are significantly lower than the other stages. It is an important condition for the bc-gining of tuber formation that the ratio of GA3 to ABA is reduced to some low level. To spray some ABA on the leave can cause the bcgining date of tuber formation to move earlier, but it does not increse the number of tuber. Extra GA3 can cause the plant to become thin and high and the stolon to become thin and long, and can significantly delay the begining of the tuber formation, and reduce the numbers of the tuber. These results further suggest that GA3 and ABA have an important influence on the formation of potato tuber.
【Fund】: 国家自然科学基金资助项目
【CateGory Index】: S532
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