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当前位置: 首页 > 文章 > 持续低温对梨花冻害影响的调查研究——以2018年倒春寒为例 山西果树 2019 (1) 26-28+36
Position: Home > Articles > Investigation on Freeze Injury of Pear Blossoms with Continuous Low Temperature——Taking Late Spring Coldness in 2018 as An Example Shanxi Fruits 2019 (1) 26-28+36

持续低温对梨花冻害影响的调查研究——以2018年倒春寒为例

作  者：
赵龙龙;胡增丽;张未仲;韩凤;李捷;周旭凌
单  位：
山西省农业科学院果树研究所
关键词：
梨花;冻害;传粉昆虫;玉露香梨
摘  要：
为研究持续强度低温对梨花的影响,以2018年4月份倒春寒为例,研究了持续低温冻害对梨花的影响。结果表明:在本次冻害强度条件下,梨花冻害率平均达90%以上;梨树树冠上层冻害程度低于下层部位,所喷施的5种防冻剂效果不明显,和对照喷水组无显著差异;对梨园传粉昆虫调查表明,冻害发生后,梨园传粉昆虫的种类和数量明显减少。
译  名：
Investigation on Freeze Injury of Pear Blossoms with Continuous Low Temperature——Taking Late Spring Coldness in 2018 as An Example
作  者：
ZHAO Longlong;HU Zengli;ZHANG Weizhong;HAN Feng;LI Jie;ZHOU Xuling;Institute of Pomology,Shanxi Academy of Agricultural Sciences;
单  位：
ZHAO Longlong%HU Zengli%ZHANG Weizhong%HAN Feng%LI Jie%ZHOU Xuling%Institute of Pomology,Shanxi Academy of Agricultural Sciences
关键词：
Pear blossom;;Freezing injury;;Pollinating insects;;‘Yuluxiangli'pear
摘  要：
In order to study the effects of low temperature on pear blossoms,the influence of continuous low temperature and cold injury on pear blossoms in the spring of 2018 April were researched.The results showed that the frost damage rate of pear blossom was above 90% under the frost damage intensity,and the frost damage degree of the upper canopy of pear tree was lower than that of the next parts.The effects of 5 kinds of frost damage protectant were not obvious and no significant difference was found between the control spray groups.The species and the number of pollinating insect were obviously reduced after the cold injury.

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