The flowering fruit period is the period of maximum growth of pepper in the whole life. This period is high temperature, rainy and easy to drought, while pepper is warm, afraid of high temperature, hi sunshine, fear of exposure and even cloudy days, like moist, fear of rain and drought, hi A fertile, fearful nitrogen fertilizer and a crop with low soil fertility. Therefore, whether high-yield and high-quality can be obtained, flower-fruit management is particularly important, and management technology has five main points.
First, watering
The flowering period is the period of vegetative growth and reproductive growth of pepper. It is not able to lack water, especially in the case of drought, it must be watered in time. Immediately after heavy rain, drain the water and pour the well water to cool the air to protect the root system from premature aging. After the beginning of autumn, to keep the ground is not dry, generally should be poured 1-3 times.
Second, fertilization
Capsicum requires more phosphorus and potassium fertilizer, and should be applied with organic fertilizer and phosphorus and potassium fertilizer, and appropriate amount of nitrogen fertilizer. This period is the period when most fertilizer and water are needed. It should be applied 10-15 kg of urea or 40-50 kg of ammonium bicarbonate, and then no longer topdressing. After each fruit is harvested, the leaf surface can be sprayed with potassium dihydrogen phosphate and a small amount of urea to prevent premature fat loss and premature aging.
Third, prevent "three falling"
The "three falling" of peppers, that is, defoliation, falling flowers, and fruit drop are one of the important reasons that affect high yield. The "three falling" in the flowering period is mainly caused by high temperature and drought, high temperature and rainy water, pests and diseases, especially the occurrence and prevalence of viral diseases. Prevent "three falling" in management to promote roots, roots, roots, and roots to improve plant resistance, timely draining in the rainy season, and rational fertilization and watering. To prevent the flower from falling due to excessive temperature, it can be treated with a growth regulator, such as spray with 50 mg/kg of naphthaleneacetic acid, or with 15-20 mg/kg of 2,4-D quinone.
Fourth, the prevention of pests and diseases
1. Capsicum blight: The leaves are damaged to produce dark green lesions, and the fruit quickly spreads from the pedicle to the whole fruit, which is dark green to dark brown, and sparse white mold grows when wet. In the early stage of the disease, the base of the stem of the plant and the surface of the plant were sprayed with 58% Rydmir Mn-Zn wettable powder 1000 times solution or Aurora 1500 times solution, and once every 5-7 days, even 2 times of spraying can obviously control the occurrence of the disease.
2. Capsicum virus disease: After the onset, the leaves are uneven, yellow, and the veins shrink, the leaves become smaller and thinner, and the flower buds are less fruitful. You can use the bactericidal pioneer 1500 times liquid plus Jinfu cattle 25ml whole plant spray, spray again once every two days.
3. Capsicum anthracnose: The disease is caused by water-stained chlorotic spots on the leaves, which gradually become round lesions, and the center is grayish white; the fruit is damaged, the lesions are oblong, the diseased part is sunken, and there are often ridge-like wheel patterns on it. Dense black small grain points. High temperature and high humidity or high temperature and rain, and the incidence of hemorrhage is heavier. At the beginning of the disease, spray 75% chlorothalonil WP 600 times solution, 20% anthrax 1500 times solution, once every 7 days, a total of 2-3 times.
4. Beet leaf moth: The newly hatched larvae will cluster the leaf back, spine the net, and feed the mesophyll in it, leaving the epidermis and forming a transparent hole. After 3 years of age, the leaves can be eaten as holes or nicks. In severe cases, only the veins and petioles remain. Control methods: First, spray 3.2% of the three-microemulsion 1500 times solution or 2% of the vitamin emulsifiable concentrate 2000 times solution or thunderstorm (ä¸ç§‘) 1500 times before the 3rd age; second, advocate the use of biological control method, spray per gram More than 100 million spores of green farmer powder 500-700 times liquid.
Five, red picking
After August, when the red pepper is ripe, it will be picked and sold in time. In the first half of the frost, the red-inducible pepper is mixed with 1000 times of red pepper, which can make the pepper quickly red ripe, the quality is improved, and the leaves do not fall off.
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