The management of pests and diseases in the middle and late cantaloupe in spring and summer is mainly the management of pests. Due to the warming of the weather and the maturity of the late fruit, the pests are more serious than the disease. There are mainly the following pests and diseases that need attention:
Melons, fruit flies - the adults lay eggs under the peel, and the larvae feed on the flesh, causing loss of whole fruit rot.
Prevention: At present, the better method and the more environmentally friendly method is trapping. It is better to use natural flavor-containing preparations, and it also has a trapping effect on melons, fruit flies and some insects. Formulations containing sex attractants are targeted. It is also possible to spray a medicament having a fumigating effect. In the facility cultivars, the attractant is used for prevention and control. In addition to being placed in front and rear, other positions need to be hung, and the height is above and below the top of the vine, which may be slightly lower in the case of convenient farming operations.
Helicoverpa armigera - larvae feed on leaves and capsules.
Prevention and control: Adults are used as prevention and control targets to control their egg production. It can be lured with black light at night, or it can be killed or driven by hand. Larvae were better controlled before the 2nd instar. It can be controlled by the recommended ratio of the drug, such as a vitamin salt, avermectin, beta-cypermethrin, and tebufenap.
Anthrax: It is mainly harmful fruit during harvesting.
Prevention and control: The treatment of the chemicals before harvesting, and the disinfection work during harvesting and the drying treatment of the storage space.
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