Kiwifruit is currently known to be very sensitive to dimethoate, omethoate, chlorimuron, mancozeb, thiophanate-methyl, glyphosate, simazin, teicotin, 2,4D and other agents. Should be used with caution or disabled.

(1) Dimethoate is best banned on kiwifruit, especially early spraying, because the young leaves do not stretch properly and cause malformation, shoots can not grow normally, young buds fall off, germination rate decreases, growth is severely impeded, resulting in reduced production. As the leaves became significantly smaller and deformed, the photosynthetic function was severely impeded, and the root system was not adequately photosynthetic and “starved” to death.

(2) Glyphosate damages the young kiwifruit tree, resulting in excessive elongation and deformity of the leaves, uplifting of the vein tissues, and sometimes chlorosis of damaged leaves. The adult tree is much more resistant, and the symptoms of the victim first appear on the young leaves, showing a bright yellow chlorosis. The chlorosis begins at the leaf margin, extends between the veins and extends to the main vein, retaining healthy green color on both sides of the main vein. organization.

(3) 2,4 D injury can cause deformity of kiwifruit leaves, leaf margin curl up or down into a dish shape, has a significant impact on the size of the leaves, often leading to uplift of the main inter-vessel tissue. The victim leaves do not fade green. Plants damaged by 2,4D in autumn produce deformed leaves and fruit in the next season. The malformed fruit is characterized by a sharp bulging toward the umbilicus, a depression in the umbilicus, and a slight longitudinal bulge in the inside.

Kiwifruit is very sensitive to drug reactions and must be tested before use (including pesticides, herbicides and hormones).

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