Finger pepper pest control
In autumn, high temperatures, low rainfall, and dry weather make it suitable for damages such as spider mites, tea saponins, and rust mites, causing atrophy of growing points, curling of leaves, inability to flower, and shortening of flowering and pepper growth, resulting in reduced yields. Received.
Prevention methods In the autumn, attention was paid to the inspection of the leaves and growing points of the tianjiao pepper. It was found that when the leaves had pinkish or pinkish worms crawling, or the growing point had atrophy, or when the leaves were curled and elongated, they would have to Foliar spray 1500 times 5% avermectin aqueous solution, or 1000 times 0.5% dimethyl disulfide aqueous solution, or 1500 times 48% chlorpyrifos aqueous solution, or 1000 times 5% hydrazone aqueous solution, or 1000 times 74% alkyne The special aqueous solution is used for prevention and control, spraying once every 10-15 days, and continuously spraying 2-3 times, evenly spraying all branches and leaves, to start dropping drops of water is appropriate. Because the pests are resistant to insecticides and are resistant to insecticides, they must be used interchangeably. Do not use the same agent more than once to prevent drug resistance and reduce control.
Autumn bean rust
After the flowering and poding of autumn beans, the old leaves of the lower part will have brown rust spots of rice grains, and then spread upwards, and the rust spots will continuously expand, so that the leaves of the beans will dry out and fall off, resulting in premature plant failure, flowering reduction, malformed soybean meal, and a significant decrease in yield and quality. It was caused by the infection of rust on bean leaf blades. Therefore, after flowering and scabbing of autumn beans, it is necessary to pay attention to the prevention and treatment of rust, in order to protect the leaves, in order to extend the period of flowering and scab, and obtain high yield.
Prevention methods After flowering and scabbing of autumn beans, check the leaves of the beans. When brown rust spots on the lower leaves of the plants are found, spray 800 to 800 times triadimefon (50% triadimefon) in water solution continuously or 2-3 times. 1500 times 50% aqueous solution of difenoconazole, 1000 times 80% aqueous solution of carbendazim, or 600 times 20% aqueous solution of thienson copper for prevention and control, spraying once every 7-10 days, evenly spraying all the leaves to start It is advisable to drop drops of water. In order to speed up the recovery of normal diseased leaves, 0.2% potassium dihydrogen phosphate and 1500 times Sanshengyang chelate fertilizer were added to the spray, which also had a significant effect on promoting flowering and scarring.
Shallots destroy underground pests
Chives are planted in the fall and are easily damaged by underground pests such as cockroaches, cockroaches, green onions, golden needles, small ground tigers, and root-knot nematodes. They either bite into the underground root system or damage young root tips, causing the roots to become deformed and deformed. The rot died and lost its absorption function, affecting the growth of chives, and the whole plant withered when severe. Therefore, in order to plant chives in the fall, it is necessary to pay attention to exterminating the underground pests to protect the underground root system.
Control methods When chives are planted in the fall, soak the roots of chives seedlings with 1500-fold 0.5% veratrine aqueous solution or 1,000 times 10% imidacloprid aqueous solution for 8-10 minutes. Drain the water and grow it to eliminate the adsorption. Root knot nematodes on the roots of onion seedlings. During the growth and development of chives, a 1500-fold avermectin aqueous solution of 3.2%, or a 1500-fold aqueous solution of 5% chlorofluofen, or a 1500-times aqueous solution of veratrine, was applied at the root of each month. - 600 kg, evenly poured in the soil around the root of the chives plant, in order to fully penetrate the water into the soil is not appropriate. In this way, the chives planted in the fall will not be harmed by underground pests, and the roots will be developed, grow robustly, and the stems will be green and the leaves will be high in quality and quality.
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