| Xinjiang Uyghur Autonomous Region,with its special geographical position,is an important base of China’s opening to the outside world and strategic resources,and has unique resource advantages for the development of characteristic forestry and fruit industry.Kizilsu Kirgiz Autonomous Prefecture(Kizhou for short),as one of the main producing areas of dominant forest and fruit in the Tarim Rim,has a variety of characteristic economic forest and fruit planting areas such as sea Hippophae rhamnoides Linn.,Juglans regia Lgrape.,Vitis vinifera L.etc.,which plays a pivotal role in local economic construction and ecological civilization.In order to guarantee the healthy development of the regional horticulture,grasps the state and the main forestry harmful biological species,from 2020 to 2021,we conducted a comprehensive and systematic large-scale investigation on forestry pests in Kizhou,found out the species,distribution range and harm of forestry pests in Kizhou,and carried out risk assessment on two newly discovered exotic pests.The main results are as follows:1.A total of 63 species of forest pests were identified,including 52 species of forest pests and 11 species of plant diseases.One species,C.pomonella L..Two important imported plant quarantine pests,European grapevine moth and E.amylovora Burrill Winslow et al..5 species of alien pests were newly discovered.They were European grapevine moth,A.subrobustus Saunders,A.glabripennis Motsch,H.hippophaecolus Hua,Chou,Fang et Chen,and E.amylovora Burrill Winslow et al..The forest pests were mainly distributed in Atushi city and Aketao County,but less in Wuqia county and Aheqi county.There were more prickly sucking pests,leaf-eating pests and decaying pests than seed pests and other pests.2.Risk analysis was conducted on the two newly discovered alien forest pests in this survey.The results showed that the risk index of C.ciliata Say in Xinjiang was 1.58,which was a moderately dangerous forest pest.The risk index of H.hippophaecolus Hua,Chou,Fang et Chen in Xinjiang was 2.04,which was a highly dangerous forest pest. |
