WANG Jiewen,LIU Qizhi,GUO Huangping,et al.Research on the Relation Between the Occurrence Dynamic of Cacopsylla chinensis (Hemiptera：Psyllidae) and Phenology and Temperature[J].Northern Horticulture,2015,39(14):118-121.[doi:10.11937/bfyy.201514031]
梨园物候及温度与中国梨喀木虱发生期关系研究
- Title:
- Research on the Relation Between the Occurrence Dynamic of Cacopsylla chinensis (Hemiptera：Psyllidae) and Phenology and Temperature
- 文献标志码:
- A
- 摘要:
- 中国梨喀木虱是我国北方各省梨树的主要害虫之一，明确其发生规律与物候及温度的关系至关重要。为此，该研究于2012年对山西省农科院果树所梨园周年温度及物候与中国梨喀木虱的发生数量动态进行了系统分析，并在2013年进行了结果验证。结果表明：梨花芽萌动初期，平均温度在0.7℃时，越冬代成虫开始出蛰，温度达到6.6℃时达到高峰；花期平均温度在24℃时，第一代若虫出现高峰；幼果期平均温度在25℃时，第二代若虫达到高峰期；果实近成熟期平均温度在20.8℃时，第三代若虫发生高峰期；果实采摘后期，平均温度在11.1℃时，第四代若虫出现高峰期。该结果为全国各地根据当年物候及其温度准确掌握梨园中国梨喀木虱各代各关键虫态的发生时期提供科学依据，为掌握关键防治时期、减少打药次数奠定了基础，为减少人工系统实地调查梨木虱发生数量、计算机建立发生动态模拟模型提供参考。
- Abstract:
- Pear psylla，Cacopsylla chinensis (Hemiptera：psyllidae) was one of the key insect pests in the north of China pear production.It was very important that clearing the relationship between occurrence regularity of C.chinensis and phenology and temperature of the pear orchard,its population dynamic were investigated and the temperature and phenology systematically were analyzed in pear orchard in Shanxi Academy of Agricultural Sciences Fruit Institute in 2012.The results showed that，in early buding stage when the average temperature was 0.7℃，the overwintering adults started occurring and to the peak when the average temperature was 6.6℃.Young fruit period when the average temperature at 25℃，the second generation of nymphs reached the peak.Fruit mature period when the average temperature was 20.8℃，the nymph population appeared the third peak.After fruit harvest period and the temperature was 11.1℃，the fourth generation of nymph was in the peak.The results provided the theoretical basis for grasping the occurrence of C.chinensis generations combined the data in the aspects of phenology and temperature，which provided the opportunity for catching the key point time to control the pest and reduce the numbers of insecticide application，and which provided as well the scientific data for establishing model based the pest dynamics，phenology and orchard temperature.
参考文献/References:
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备注/Memo
第一作者简介：王洁雯（1989-），女，硕士研究生，研究方向为有害生物综合防治。E-mail：wangjiewen199009@163.com.责任作者：刘奇志（1959-），女，博士，教授，现主要从事昆虫和线虫及农业环境生物污染治理新技术等研究工作。E-mail：lqzzyx163@163.com.基金项目：国家梨产业技术体系资助项目（CARS-29）。