Management methods after citrus grafting
Perennial herb, hi cool, humid place, is a Ranunculaceae. Stalks rampant, coarse 3-7 mm, dense fibrous roots. Basal leaves 10-25 cm long, county long-handled; leaf blade herbaceous, 3-cleavage, all lobes shaved, central all-lobes rhombic Narrow ovate, up to 11 cm, long-pointed, pinnate, lobes Margin incised, with sharply small serrate, short veins along veins, abaxially glabrous, veins distinct, lateral lobes shorter, 6 cm long, 2-parted near base; stalk length 7-20 cm , Glabrous. Flowers small, yellowish green, about 1 cm in diameter. Its underground rhizome is upward branches, growing up several branches each year was chicken claw-like. Slow the cold, good leader.
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1. Check the survival rate after 10 to 15 days after the survival check and supplemental grafting. The lived scion is fresh and the buds are full. Scions and rootstocks have healed and the petiole turns yellow.
Mild or even blackish; yellow, dry, or mild rot of uncooked scion should be patched in time. In spring, budding grafting is generally adopted, and in the autumn, budding grafting is required during budding and sprouting in the second spring.
2. Cutting the anvil and unfolding the film should be done before the autumn of the spring to solve the band before the germination, cutting the anvil. The anvil cuts the upper rootstock about 0.3cm above the interface after the buds have survived. The cut must be smooth. Keep a robust sprout as the main stem, excess and rootstock buds will be erased.
3. In addition to sprouting and trimming rootstocks, the sprouts should be removed once every 7 to 10 days. Avoid using hand to remove buds in time to encourage sprouting.
When grafted seedlings grow to 40-50cm, they should be tossed and plasticized, and after topping, they should promote branching at 30-40cm. The picking time is generally in mid-July, and the height of topping can vary due to different breeds. Fertilizer pumping branches. After branching, except for leaving 3 to 5 directions in uniform distribution, the branches were cut off and used as seedlings for dense planting. The height of the nucleus was slightly reduced.
4. Weeding, fertilizer and water management Weeding and weed removal should be promptly removed during the entire growing season. Fertilizer and water management should be based on diligence, thin decomposing human and animal manure, supplemented with chemical fertilizers to meet the nutrient conditions needed for seedling growth. Fertilization should master the principle of "fat fertilizer applied sparingly and infrequently for a few times." From the spring sprouting period until the end of August, fertilizer should be applied once a month. The last time the fertilizer is generally no more than the end of August, so as not to freeze the winter shoots.
5. Pest and disease control Seedling stage should pay attention to the prevention and treatment of anthrax, spider mites, yellow spiders, leaf miners and other common pests and diseases.
