In early June, the Kaiyang County Forest Disease and Pest Control and Quarantine Station, together with the Hefeng Township Forestry Station, invested 15 person-times in the prevention and control of manpower and 1200 kilograms of white zombie bacteria in the prevention and control materials, combined with the growth law of insect pests, fully seized the favorable weather to actively carry out prevention and control work, and effectively grasped the prevention and control of Ginkgo biloba silkworm moths, effectively improving the effectiveness of prevention and control.
According to the 2021 forest pest overwintering survey, the occurrence of forestry pests ginkgo biloba silkworm moth in Kaiyang County covers an area of 1200 mu, mainly distributed in Changhong Village and Tianchong Village of Hefeng Township, all of which are mild hazards. Ginkgo biloba silkworm moth is a kind of silkworm moth of the genus Walnut Great Silkworm Moth of the family Lepidoptera, distributed in Northeast China, North China, East China, Central China, South China and Southwest China, hosting medicinal plants such as apricots and walnuts, maple incense, etc. Its larvae eat the leaves of host plants such as Ginkgo biloba into missing or light leaves, which seriously affects plant photosynthesis and yield, landscape effects, etc. Through continuous control and follow-up monitoring in the past three years, the occurrence of ginkgo biloba silkworm moths distributed in Hefeng Township has been effectively controlled, and the prevention and control results are outstanding.
In recent years, Kaiyang County has always adhered to the forestry pest prevention and control policy of "prevention first, scientific management, supervision according to law, and strengthening responsibility", "prevention" and "treatment" are simultaneously exerted, and regularly carry out forestry pest prevention and control inspections, disaster investigations and wintering surveys, etc., timely monitor and grasp the occurrence of forestry harmful organisms, timely carry out pollution-free biological prevention and control, prevent environmental pollution, and effectively maintain the safety of the ecological environment.
(Li Rang, Guiyang Daily Rong Media Reporter Xu Faxun)