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1. During the blooming period of Bohua pepper, spraying 1-2 times of borax solution with 0.3%, the fruit setting rate can be significantly improved.
2. The use of Zanthoxylum rubens stimulating red agent can promote the coloring of pepper and increase the yield. In the 7-10 days before the picking of Zanthoxylum bungeanum, 200 times of rednering agent was sprayed on the tree for 1-2 times to make the mature period of the pepper relatively concentrated, the picking ergonomics increased by an average of more than 2 times, and the pepper skin was bright and the peeling rate was high. Increased by 3.3%, strain production increased by 23%.
3. Timing picking Due to the influence of traditional habits, pepper farmers generally pick peppercorns early, starting in mid-July and ending in early August, resulting in poor prickly ash flavor and low yield. Generally, the best harvest period is from August 5th to 15th, which can increase the strain production by 20% compared with the traditional method.
Second, to strengthen the management of fertilizer and water The management of its fertilizer and water should mainly focus on the following three periods:
1. After waiting for flowers and flowers, when the fruit set length to mung bean size, immediately apply phosphorus and potash fertilizer, apply it once every 8 days or so, apply it 2-3 times, and choose the morning and evening in sunny rainy days, foliar spraying. 0.3% potassium dihydrogen phosphate and 0.2% urea aqueous solution and other leaf fertilizers, improve the quality of pepper, increase the yield and fruit stability.
2. After pruning and retracting the peppercorns (around August 20), immediately reapply potassium sulfate compound fertilizer.
3, before the beginning of winter (before and after November 20th), to carry out a toxin to dig branches, pest control Qingyuan, and then contain a rich organic "overwintering fertilizer."
III. Comprehensive prevention and control of pests and diseases The common diseases and pests of Zanthoxylum bungeanum include: cotton cocoons, mulberry cockles, two-spotted black flock beetles, oval-shaped short-term cockroaches, cockroaches, pepper spot, rust, and dry rot. The annual control of pests and diseases of pepper is mainly divided into 5 phases:
1. The dormant period of pepper (December to February of the following year) is mainly for cleaning the pepper groves, cutting off pests and branches, and destroying them centrally. Clear up various wintering pests.
2, before the germination of Zanthoxylum bungeanum (March in mid-March) spray 3-5 degrees lime sulfur agent 1-2 times or spray 80:100:1 machine Fowler mixture or spray 800 times to kill the net once. It mainly controls overwintering diseases and insect pests such as cotton mulberry, mulberry pod, dry rot, brown spot and rust.
3, after the fall of pepper (from the end of April to early May) spray 800 times carbendazim plus 1200 times 45% phoxim EC, with the use, such as severe disease, spray 2 times a week. The main prevention and treatment of cotton, brown spot, rust and other pests and diseases.
4, young pepper fruit period (April to June) to strengthen the prevention and treatment of dry rot, available lime sulfur coated dry rot lesions 1 times.
5, young pepper fruit to pepper mature period (June to August) with 80% dichlorvos block poisoning Sang Longhorn, two spot black velvet Tianni fresh manure hole. In this period, if the rainfall is 60-100 mm, spray 25% triadimefon 600-800 times once, and severely spray 10 times 70% thiophanate-methyl 800-1000 times again. Prevention of diseases such as mulberry, brown spot, and rust.
First, strengthen flower and fruit management