Flowers and fruit trees should not use pesticides
2021-07-01 14:04:40
In order to avoid causing unnecessary pesticide damage, it is important to know whether the pesticide will cause phytotoxicity before applying the flower to the fruit tree. The following are some pesticides that should not be used on flowers and fruit trees for reference. 1.Sulfur mixture: It has phytotoxicity to peaches, plums, plums, pears and other plants. If used on these plants, it is best to spray in the deciduous season. Do not use it in the growing season or in the fruit and fruit period. 2. Killing Pinus sylvestris: The use of chlorpyrifos to exterminate insects in high temperature seasons has severe phytotoxicity to pomegranates, and has certain damage to cruciferous flowers. 3. Bordeaux mixture: During the growing season, it is sensitive to peaches and plums; when it is less than twice the amount, pears, apricots, and persimmons are susceptible to phytotoxicity, and when it is higher than the amount, the grapes are susceptible to phytotoxicity. 4. Dimethoate, Omethoate: Kiwifruit is particularly sensitive, hanged; for plum blossom, cherry blossoms, bay leaf plum, paste stem jellyfish and other Rosaceae ornamental plants and apricot, pear, can produce obvious damage; Coral flowers are also very harmful. If omethoate is sprayed between June and October, it often causes the petals to curl and lose their ornamental value. 5. Dichlorvos: Dichlorvos have obvious phytotoxicity on ornamentals such as plum blossoms, cherry blossoms, and peaches, apricots, pears of the 20th century, and Jingbai pears. Normally, other types of insecticides should be used instead. Dichlorvos also have varying degrees of phytotoxicity to Rhododendron, Taro, Kiwi, Scorpion, and walnuts. When using pesticides to control pests of these plants, care should be taken to avoid unnecessary losses. 6. Trichlorfon: It has phytotoxicity on cherry blossoms, plum blossoms, etc.
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