Effect of flowering time on development of reproductive organs and fruit set of peaches

机译：开花时间对桃子生殖器官和子实体发育的影响

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The effects of flowering period on flower characteristics and fruit set were determined by using three 6-year-old 'Flordaglo' trees grown at Angkhang Station. The flowering periods were classified into five terms: term Ⅰ, before 20 November; term Ⅱ, from 21 November to 30 November; term Ⅲ, 1 December to 10 December; term Ⅳ, 11 December to 20 December; Term Ⅴ, 21 December to 31 December. Flowers collected in terms Ⅳ and V had smaller pistils and ovaries than those collected in the earlier terms and ovule size was also small. In contrast, the pollen germinability was higher in terms Ⅳ and Ⅴ. Regarding the development of embryo sacs at anthesis, most of the embryo sacs were at megagametophyte or two-nucleate stage in all terms. At 7 days after anthesis, some embryo sacs degenerated in terms Ⅰ, Ⅱ, Ⅳ, and Ⅴ. The percentage of fruit set at 30 days after anthesis was lower than 60% in terms Ⅳ and Ⅴ.

机译：通过使用在安康站种植的三棵6岁的“ Flordaglo”树来确定开花期对花形和坐果的影响。开花期分为五个时期：第一期，11月20日之前；第一期，11月20日之前。第二学期，11月21日至11月30日；第三阶段，12月1日至12月10日；第四期，12月11日至12月20日；第五学期，12月21日至12月31日。 Ⅳ和Ⅴ期采集的花的雌蕊和卵巢比早期采集的小，胚珠大小也较小。相反，花粉的萌发性在Ⅳ和Ⅴ方面较高。关于花期的胚囊的发育，从所有方面来看，大多数胚囊都处于大型配子体或二核阶段。花后7天，一些胚囊在Ⅰ，Ⅱ，Ⅳ和Ⅴ方面退化。花后30天坐果率在Ⅳ和Ⅴ方面低于60％。

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来源
《International Workshop on Production Technologies for Low-Chill Temperate Fruits; 20040419-23; Chiang Mai(TH)》|2004年|P.105-109|共5页
会议地点 Chiang Mai(TH)
作者
N. Kozai; K. Beppu; U. Boonprakob; I. Kataoka;
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作者单位

Faculty of Agriculture, Kagawa University, Miki, Kagawa 761-0795, Japan;

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正文语种 eng
中图分类果树园艺;
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Effect of flowering time on development of reproductive organs and fruit set of peaches

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