The Species And Distribution Of Fruit Borers In Xinjiang

The present study investigated and monitored Grapholitha molesta Busck,Grapholitha funebrana,Carposina sasakii,Cydia pomonella L.and Conogethes punctiferalis at the different types of orchards in Shihezi reclamation area and others different types of orchards in Xinjiang respectively,using sexual attractant trapping and assisted genital identification in 2013-2014.The results as follows:1?A total of 11,704 were identified by genitalia,of which Grapholitha molesta Busck,Grapholitha funebrana and Cydia pomonella L account for 4820,6242 and 642,respectively.While Carposina sasakii and Conogethes punctiferalis were not found,by systematic survey and statistics during 2014-2015.From large to small,the distribution range is: Grapholitha molesta Busck > Grapholitha funebrana > Cydia pomonella L.Grapholitha molesta Busck wree dominant species distributing in Xinjiang,which indicated that Grapholitha molesta Busck has been serious harm.Grapholitha funebrana in addition to Korla Yuli County and Kashi,occupies second.which damage higher than Grapholitha molesta Busck especially in Shihezi University Experimental Station,Manas,Aksu Baic heng County and Alar,etc.Compared with Grapholitha funebrana and Grapholitha molesta Busck,the distribution of Cydia pomonella L was the smal est.2?The results showed that the rate of bored fruits of different orchards was 65% to 90.34%.In the Shihezi area,Occurrence Quantity of the Grapholitha funebrana & Grapholitha molesta Busck and Grapholitha funebrana in the orchard as follows,respectively: apricot,plum,apple mixed garden> apple orchard> Taoyuan & apple orchard> Taoyuan> apricot,plum,apple mixed garden.and mixed garden> apple orchard> Taoyuan;Akesu area,pear> jujube> apricot> apple & pear> apple> apricot> jujube.and pear> apple> apricot,jujube.represent Grapholitha funebrana & Grapholitha molesta Busck and Cydia pomonella L in the orchard,respectively.3?The results showed that there were two peaks of the Grapholitha funebrana adult male in the Shihezi reclamation area,which occurred in early May and mid-June respectively.The best control time was from the end of April to the beginning of May.There are four peaks of the Grapholitha molesta Busck adult male in the year of April,the beginning of June,the middle of July,the middle of July and the early August,the best control time in mid-April to the end of April.There are four peaks in the Cydia pomonella L adult male,which are the beginning of May,the end of May,the beginning of July and the middle of August,the best control time in mid-April to the end of April.4?The invested date showed that,Lepidoptera and picornis were frequently mixed Occurrence in orchards,All pheromone show the cross inducement phenomenon for Grapholitha molesta Busck and Grapholitha funebrana Zhong jisifang and shuiguang technology of science Sexual inducers are more specific for Grapholitha molesta Busck and Grapholitha funebrana,respectively.