‘巨峰’葡萄主梢和副梢花器官与种子发育的研究

园艺学报 ›› 2001, Vol. 28 ›› Issue (3): 262-264.

‘巨峰’葡萄主梢和副梢花器官与种子发育的研究

胡建芳¹；贺海洋²；张大鹏¹；松井弘之³

(¹ 中国农业大学园艺学院, 北京100094;² 乌鲁木齐环境资源开发研究所, 乌鲁木齐830002; 􀀁³千大学园艺学部, 日本千松户市271􀀁8510)

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2001-06-25 发布日期:2001-06-25

The Development of Seed and Floral Organ on the Primary and Secondary Flower Clusters of ‘Kyoho’ Grapevine

Hu Jianfang¹, He Haiyang², Zhang Dapeng¹, and Matsui Hiroyuki³

(¹College of Horticultural Sciences , China Agricultural University , Beijing 100094;􀀁 ² Urumchi Environmental Resource Development Laboratory , Urumchi 830002;􀀁³Faculty of Horticulture, Chiba University , Matsudo 271􀀁8510)

Received:1900-01-01 Revised:1900-01-01 Online:2001-06-25 Published:2001-06-25

摘要/Abstract

摘要： ‘巨峰’葡萄主梢花粉粒大于副梢, 花粉染色率与副梢差异不显著, 发芽率低于副梢, 但花粉发芽率不影响种子的形成。主梢小花雌蕊在减数分裂后形成的功能大孢子小于副梢。同时开花前主梢胚囊的发育状况优于副梢, 开花期正常胚囊率主梢也明显低于副梢。因此, 开花前后主梢异常胚囊的出现是导致受精发生障碍并使结籽率低下的原因。

关键词: 葡萄, 巨峰葡萄, 花器官, 胚囊

Abstract: The studies of the formation and development of the sexual organs on the primary and secondary flower cluster of 􀀂Kyoho grapevine were conducted, aiming at elucidating the mechanism of the low seed production on the
primary flower clusters. The results showed that the pollen of the florets of the secondary flower clusters was smaller, though the percentage of pollen stained by acetocarmine on florets of both flower clusters was same, the percentage of germination on agar of the secondary flower clusers was higher than that of the primary flower clusters. The result indicated that the pollen quality was not related to flower shatter. The embryo-sac evelopment with function cell in the pistils of the secondary flower clusters was more favorable than that of the primary flower clusters. At anthesis, a large number of abnormal embryo􀀁sac were observed in the ovaries of the primary flower clusters. As a result, at anthesis, a large number of abnormal embryo􀀁sac may suppress fertilization and lead to lower seed.

Key words: Grape, ‘Kyoho’ grapevine, Floral organ, Embryo-sac

中图分类号:

S 663. 1

胡建芳;贺海洋;张大鹏;松井弘之. ‘巨峰’葡萄主梢和副梢花器官与种子发育的研究[J]. 园艺学报, 2001, 28(3): 262-264.

Hu Jianfang;He Haiyang;Zhang Dapeng;and Matsui Hiroyuki. The Development of Seed and Floral Organ on the Primary and Secondary Flower Clusters of ‘Kyoho’ Grapevine[J]. ACTA HORTICULTURAE SINICA, 2001, 28(3): 262-264.

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