Method for preventing and controlling apple tree branch ring spots
A technology for ring striae and apple, which is applied in the field of prevention and control of apple tree trunk ring striae, can solve the problems that fruit cannot reach green, organic fruit, high residual amount of toxic and harmful substances in fruit, serious environmental pollution of fruit surface and orchard, etc. Achieve the effect of good fruit quality, reduction of harmful and toxic residues in fruit, and enhancement of resistance to ringworm
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[0020] A method for preventing and controlling apple tree trunk ring formation, comprising the following steps:
[0021] 1. Selection of base stock: the seedlings of crabapple seedlings sown with annual octagonal crabapple seeds.
[0022] 2. Preparation of materials and tools:
[0023] (1) Prepare sharp pruning shears and grafting knives.
[0024] (2) Prepare sufficient (fresh or wax-sealed) Guoguang apple scions with full branches and buds; scions of excellent apple varieties (use wax-sealed scions for branch grafting; use healthy and developed branches of the year for bud grafting).
[0025] 3. Operation technique:
[0026] 3.1 Cultivate large seedlings in the nursery. In the first ten days of August of that year, the T-shaped budding method was used to graft Xiaoguoguang apple buds at a distance of 5 cm from the ground on the spring-sowed crabapple seedlings; Graft the scion of an excellent apple variety at a distance of 80 centimeters from the ground; in the third sprin...
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