|Table of Contents|

Study on the Nectar Content and Pollen Germination Characteristics of Different Watermelon Cultivars Under Protected Cultivation(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年03期
Page:
19-22
Research Field:
Publishing date:

Info

Title:
Study on the Nectar Content and Pollen Germination Characteristics of Different Watermelon Cultivars Under Protected Cultivation
Author(s):
LI Wen-hai; HUANG Yuan; ZHAO Lu; FENG Shao-hua; BIE Zhi-long
Key Laboratory of Horticultural Plant Biology，Ministry of Education，College of Horticulture and Forestry Sciences，Huazhong Agricultural University，Wuhan，Hubei 430070
Keywords:
watermelon; honeybee pollination; nectar; pollen; germination rate
PACS:
S 651
DOI:
-
Abstract:
Using 18 watermelon cultivars that are suitable for protected cultivation as materials，the parameters (the content of nectar，nectar secretion，corolla diameter，pollen amount，pollen germination rate and pollen tube length) related with honeybee pollination were investigated.The results showed that there were obvious differences among different cultivars in the nectar contents，corolla diameter，pollen numbers，pollen germination rate under 15℃ condition and pollen tube length，but there were no significant differences in the pollen germination rate under 25℃ condition.At the first day of flower，nectar contents increased with time between 7:00 and 17:00 and the nectar secretion was influenced by temperature，showing the double S curve change trend.Taken the nectar contents，corolla diameter，pollen numbers，pollen germination rate and pollen tube length among different watermelon cultivars together，‘Zaojia（8424）’，‘Jingxin No.1’，‘Jingxin No.3’，‘Xiaoyu No.5’ and ‘Xiaoyu No.8’ performed better，and could be considered as the important cultivars for honeybee pollination.

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Last Update: 2014-08-21