| Study on the fruit shape of Fuji apple in Weibei area |
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| DOI：10.7606/j.issn.1000-7601.2011.04.11 |
| Key Words: Fuji apple fruit shape unsymmetrical index affecting factor |
| Author Name | Affiliation | | XUE Zhixia | College of Horticulture, Northwest A & F University, Yangling, Shaanxi 712100, China | | ZHAO Zhengyang | College of Horticulture, Northwest A & F University, Yangling, Shaanxi 712100, China | | ZHANG Wen | College of Horticulture, Northwest A & F University, Yangling, Shaanxi 712100, China | | XU Jihua | College of Horticulture, Northwest A & F University, Yangling, Shaanxi 712100, China | | WANG Yanli | College of Horticulture, Northwest A & F University, Yangling, Shaanxi 712100, China |
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| Abstract: |
| With the purpose of resolving the lopsided fruits of Fuji apple, the experiment was conducted on 16～17 year old Fuji apple trees(Malus domestica Borkh, cv Fuji), and mainly studied the effects of the pollination and fertilization, the type of fruits on the fruit shape of Fuji apple at the Baishui Apple Station of Northwest A & F University in 2009～2010. The results showed that in addition to Pink Lady, the Qinguan, Gala and Starkrimson pollination could reduce the unsymmetrical index and improve the fruit shape. the number of stigmas had significant effect on the fruit shape of Fuji apple, removed 3～4 stigmas could obviously reduce the seeds and lead to develop into the deformed fruit. The seed numbers and the seed distribution in the ventvicles of determined the fruit shape, almost every ventricle had seed distribution in the symmetrical fruit, but at least one ventricle of seed was abortion in the unsymmetrical fruit and two ventricles of the seed were abortion in the deformed fruit. In three fruit branches, the fruit s
hape index of the long fruit branch was significantly greater than the medium fruit branch and the short fruit branch, the fruit unsymmetrical index was smaller
than the other fruit branches, but the difference was not significant. In the different fruit ways, the drooping fruits were symmetrical and less deformed fruits, and the obvious difference in the fruit shape arcsine with the lateral fruit. |
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