Research on the Relation Between the Occurrence Dynamic of Cacopsylla chinensis (Hemiptera：Psyllidae) and Phenology and Temperature(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Research on the Relation Between the Occurrence Dynamic of Cacopsylla chinensis (Hemiptera：Psyllidae) and Phenology and Temperature

Author(s):: WANG Jiewen1; LIU Qizhi1; GUO Huangping2; ZHANG Xiaowei2; (1.College of Agriculture and Biotechnology，China Agricultural University，Beijing 100193；2.Pomplogy Institute,Shanxi Academy of Agricultural Sciences，Taigu，Shanxi 030815)

Keywords:: pear orchard; Cacopsylla chinensis; occurrence regulation; phenology; temperature

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.

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Last Update: 2015-08-14