Flower pesticides should be noted

Dimethoate, Omethoate: plum, cherry blossom , cherry, flower peach, eucalyptus, stalked sea bream, apricot, pear and other Rosaceae ornamental plants can produce obvious phytotoxicity; Dimethoate Coral flowers are also very harmful. If the fruit is sprayed from June to October, the petals are often curled up, and the leaves, inflorescences and twigs fall off and lose their ornamental value. In addition, dimethoate also has a certain impact on melons.

Dichlorvos: Dichlorvos has obvious phytotoxicity to ornamental plants such as plum, cherry, peach, apricot, and eucalyptus, and other types of insecticides can usually be used instead. Dichlorvos also has different degrees of phytotoxicity to Rhododendron, Taro, kiwi, Chinese wolfberry, walnut and melon. When using pesticides to control pests in these plants, care should be taken to avoid unnecessary losses.

Trichlorfon: Trichlorfon has phytotoxicity to cherry blossoms, plum blossoms, and golden varieties in apples.

Stone sulphur mixture: Stone sulphur mixture has phytotoxicity to Rosaceae plants such as peach, plum, plum, pear, etc. If stone sulphur mixture is used on these plants, it is best to spray in the deciduous season, not in the growing season or flowering period. . Stone sulphur mixture has certain phytotoxicity to kiwi, grape, cucumber and legume flowers.

Killing pine: use the killing insects in the hot season, have serious phytotoxicity to the pomegranate, and also cause greater damage to the flowers of the cruciferous family.

Bordeaux mixture: Bordeaux mixture is sensitive to peach and plum in the growing season. When it is lower than the multiple amount, pear, apricot and persimmon are susceptible to phytotoxicity; when it is higher than the equivalent amount, the grape is susceptible to phytotoxicity.

Rosin mixture: In the summer, the use of rosin mixture has obvious phytotoxicity to persimmon, and it has an adverse effect on citrus in spring and summer.

Insecticide: When using insecticides to control flower pests, avoid using them on hibiscus and dahlia.

Tobuzin: Dobutin should be avoided when controlling pests and diseases of kiwifruit.

Petroleum emulsion: petroleum emulsion is easy to cause phytotoxicity to certain peach tree varieties, and it is best to use it in the deciduous season.

In order to prevent pesticides from causing phytotoxicity to many ornamental plants, one must purposely switch to other high-efficiency and non-toxic pesticides; the second is to minimize the use concentration; the third is not to spray under high temperature and high humidity conditions, so as to avoid causing Loss; also pay attention to the reasonable mixing of pesticides.