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Position: Home > Articles > Effect of limenitrogen on flower bud germination of 'Dangshan'pear Deciduous Fruits 2002,34 (1) 1-3

石灰氮对砀山酥梨花芽萌发的效应初探

作  者:
杨琼芳;赵昶灵;武绍波;李文祥;杜孝宇
单  位:
云南农业大学园林园艺学院 650300;云南省安宁市农业局茶桑果站;昆明;云南农业大学园林园艺学院;云南农业大学科研处;云南农业大学农学与生物技术学院
关键词:
砀山酥梨;石灰氮;花芽萌发率
摘  要:
花芽萌发前对砀山酥梨喷施不同浓度的石灰氮 ,观察其对打破休眠、促进花芽萌发的效应。结果表明 ,喷施 1 6.67%的石灰氮可使砀山酥梨提前 9天开花 ,平均每花序有花 4.9朵 ,花芽萌发率 5 7.0 %。喷施8.3 3 %的石灰氮 ,使花芽萌发率达 66.5 % ,在供试浓度中效果最好。但石灰氮打破休眠的机理尚不清楚
译  名:
Effect of limenitrogen on flower bud germination of 'Dangshan'pear
作  者:
YANG Qiongfang 1, ZHAO Changling 2, WU Shaobo 3, LI Wenxiang 4, Du Xiaoyu 3 ( 1. Station of Tea, Mulberry and Fruit, Anning Agriculture Bureau, Yunnan Province 650600; 2. College of Agricultural Science and Biological Technology, Yunnan Agricu
关键词:
Dangshan pear; limenitrogen; flower bud germination rate
摘  要:
Trials on spraying limenitrogen at different concentrations over Dangshan pear trees before germination of flower buds revealed that 16.67% limenitrogen could force Dangshan pear to blossom earlier for 9 days, and had 4.9 flowers per inflorescence and 57.0% of flower bud germination rate, but giving limenitrogen at 8.33% got the best result, forcing 66.5% flower bud germinated. The mechanization why limenitrogen could break rest of the pear tree was not clear.

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