|Table of Contents|

Fluorescence Microscope Observation on Pollinated Styles of Sweet Cherry

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年05
Page:
54-58
Research Field:
Publishing date:

Info

Title:
Fluorescence Microscope Observation on Pollinated Styles of Sweet Cherry
Author(s):
LI Chen; DOU Yujuan; LIU Liye; QIAO Lei; BIAN Weidong
(College of Horticulture，Hebei Normal University of Science & Technology，Changli，Hebei 066600)
Keywords:
sweet cherry; pollination; fruit setting rate; pollen germination; pollen tube growth; fluorescence
PACS:
-
DOI:
10.11937/bfyy.20173289
Abstract:
Three sweet cherry varieties,‘Tieton’‘Крупноплодная’ and ‘Stella’,were used as materials,the styles were obtained after self-pollination and cross-pollination at different times(27,51,75,99 hours). Pollen germination and pollen tube growth were observed with fluorescence microscope after fixed in FAA and coloration,in order to supple reference for sweet cherry pollination mechanism study. The results showed that three sweet cherry varieties in both self-pollination and cross-pollination would be germinated,and stabilized at 27 hours after pollination. The amount of pollen germination only had difference in quantity between different pollination groups,and it would not affect the fruit setting rate. Different pollination groups had significant difference in pollen tubes growth. The pollen tubes which behaved compatibility could reach the style bottom and into the ovary at 51-99 hours after pollination,while the pollen tubes which behaved incompatibility stopped at the upper or middle of the style. It showed that ‘Tieton’ and ‘Крупноплодная’ had significant incompatibility with self-pollination,while ‘Stella’ had compatibility with self-pollination. In cross-pollination,three sweet cherry varieties all behaved preferable compatibility. In conclusion,pollen tube of ‘Stella’ could reach the style bottom to complete fertilization whether in self-pollination or cross-pollination,it was ideal pollination tree.However,pollen tube of ‘Tieton’ and ‘Крупноплодная’ could reach the style bottom only in cross-pollination and stopped to grow in middle-upper part of style in self-pollination,so they need pollination tree in actual production.

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Last Update: 2018-03-15