|Table of Contents|

Effect of Fowler Age on Stigma Receptivity and Pollen Viability in Pyracantha Roem.(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年20期
Page:
18-22
Research Field:
Publishing date:

Info

Title:
Effect of Fowler Age on Stigma Receptivity and Pollen Viability in Pyracantha Roem.
Author(s):
YANG Qin; BO Lan-ping; ZHANG Jie; TANG Lu; WANG Xing-yan; YUE Yang
College of Environmental and Life Science,Kaili University,Kaili,Guizhou 556000
Keywords:
Pyracantha Roem.; fowler age; stigma receptivity; pollen viability
PACS:
S 687.9
DOI:
-
Abstract:
Taking 4 kinds of Pyracantha Roem. as materials,the stigma receptivity and pollen viability of Pyracantha fortuneana,Pyracantha atalantioides,Pyracantha crenulata and Pyracantha crenulata variant were estimated by using benzidine-H2O2and TTC respectively,in order to discuss change rule of floral stage on pollen viability and stigma receptivity.The results showed that the development of male and female organ was synchronization which was benefit to setting in open pollination.It was the same that the trend of pollen vitality and stigma receptivity among these tested materials.It was about 5-6 days that the longevity of pollen,and the pollen vitality of 1-2 days after flowering was significantly higher than the other days,and then gradually decline.Meanwhile,the stigma receptivity was kept 3-4 days,and the stigma receptivity of 2-3 days after flowering was significantly higher than the other days for the large amounts of mucus.And the best time of artificial pollination was 2-3 days after flowering,while the best time of pollen collection for artificial pollination was 2-3 days after flowering.

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Last Update: 2014-11-19