Which pesticides are prohibited for use on flowers?

Pesticides play a very important role in plant and crop cultivation, but although some pesticides are beneficial to crops, they must absolutely not be used on flowers and fruit trees. Let's learn about them together:

Flowers and fruit trees are rather special crops. Because of their different species and differences in growth and development stages, some are quite sensitive to pesticides, so extra care must be taken when choosing pesticides. You must firmly remember which pesticides cannot be used. Here is a list compiled for you of pesticide varieties that cannot be used on flowers and fruit trees.

Dimethoate, omethoate: kiwifruit is extremely sensitive and must not be used; for ornamental plants of the Rosaceae family such as Japanese apricot, cherry blossom, elm-leaved spirea and spreading hedgehog rose, as well as apricot and pear, both can cause obvious phytotoxicity; dimethoate is also very harmful to shrimp plant and coral flower. If omethoate is sprayed between June and October, it often causes petals to wither and curl, losing their ornamental value.

Dichlorvos: dichlorvos causes obvious phytotoxicity to ornamental plants such as Japanese apricot and cherry blossom, as well as peach, apricot, Twentieth Century pear and Jingbai pear. Under normal circumstances, other types of insecticides should be used instead. Dichlorvos also causes varying degrees of phytotoxicity to rhododendron, Chinese willow, kiwifruit, Chinese scholar tree and walnut. When using pesticides to control pests on these plants, great caution should be exercised to avoid unnecessary losses.

Trichlorfon: causes phytotoxicity to cherry blossom, Japanese apricot, etc.

Lime sulfur mixture: causes phytotoxicity to peach, plum, Japanese apricot, pear and other plants. If used on these plants, spray during the leaf-fall season, and never use it during the growing season or the flowering and fruiting period.

Fenitrothion: using fenitrothion to kill insects in high-temperature seasons causes severe phytotoxicity to pomegranate, and does certain harm to flowers of the Brassicaceae family.

Bordeaux mixture: peach and plum are sensitive during the growing season; at less than the standard dilution multiple, pear, apricot and persimmon are prone to phytotoxicity, and at more than the standard dilution multiple, grape is prone to phytotoxicity.