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In daily life, you can use 50 grams of fresh chili pepper or dried red pepper, add 30 to 50 grams of water, boil for about half an hour, and sprinkle the affected plants with its filtrate to have special effects. Or use 3 to 4 grams of washing powder, add 100 grams of water, stir into a solution and spray 2 to 3 times continuously, the prevention and control effect is up to 100. Add 600 to 800 times the solution of water with "wind oil essence", and spray the pests carefully with a sprayer to make the insects stained with the potion.
The effect of killing aphids and scale insects and other pests is above 95, and there will be no pesticide damage to plants. You can also press 1:4 for laundry detergent, urea and water
The ratio of 100, stirred into a mixture, is used to spray the plants, which can receive the effect of insecticide and fertilization.
For the control of chemical agents, 50 aphid mist ultra-fine wettable powder 2000 times or 20 methocarb EC 1500 times, 50 aphid pine EC 1000 1500 times, 50 octathion EC 2000 times, 80 dichlorvos EC 1000 times. Method 3
Other biological control methods can also be combined with general biological control methods such as protection of ladybugs, lacewings and other natural enemies, the application of fungi, artificial trapping and killing and other biological control methods, the removal of dead branches and weeds and other pests and diseases, breeding and promotion of resistant varieties, the application of pesticides, etc., the best way is to adapt measures to local conditions, comprehensive control. Combined with cultivation measures, ventilation, water and fertilizer control, protection and breeding to release natural enemies, etc., the occurrence of aphids in a large area will be prevented to a certain extent.
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If there are insects on Huoxiang, you can use a soft brush dipped in alcohol to brush off the insects on the leaves of the plant, and spray 1-2 insecticides every other week to make Huoxiang grow healthily, and prepare a pair of sterilized scissors to cut off the yellowish branches of Huoxiang that are seriously infected to avoid further seriousness.
1. Brush off pests.
When cultivating Huoxiang, if you find that there are insects on the leaves of the plant, you should use a brush dipped in alcohol to brush off the pests on the leaves of the plant, or place the mosquito coil on the flower pot, light the mosquito coil, smoke the mosquito coil to kill the insects, and spray the insecticide 1-2 times every other week to maintain the normal growth of the Huoxiang.
2. Pruning.
If there are insects on the Huoxiang, you need to prepare a pair of sharp scissors, and then use alcohol cotton to wipe the scissors repeatedly, and then cut off the sick and weak branches of Huoxiang that are seriously infected to avoid further deterioration of the situation, and spray the diluted disinfectant on the fracture of Huoxiang to disinfect and sterilize it, so that the plants can grow healthily.
3. Replace the potting soil.
When cultivating Huoxiang, if the plant is seriously eroded by pests, it is necessary to replace the potting soil for it, so as to prevent the pests from laying eggs in the soil, you can use humus, perlite and garden soil mixed to make it, and then disinfect the soil at high temperature, and prune the root system of Huoxiang before transplanting.
4. Maintenance management.
Huoxiang is suitable for growing in a ventilated and breathable environment, when cultivating Huoxiang, it needs to be placed in a bright place, so that the plants receive no less than 5 hours of light a day, and during the growth of Huoxiang, it is necessary to apply a well-rotted organic fertilizer every other month to promote the vigorous growth of Huoxiang.
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1. The most direct way to catch insects in leaves is to catch them by hand.
2. Vermicelli, aphids, red spiders, and Jima x are mostly concentrated behind the leaves, and you can take home tricks and use mosquito coils, because mosquito coils are also insecticidal, and smoke them with mosquito coils. If the amount is not large, it is better to rely on manual capture.
3. It is also a better way to deal with it with a toothbrush. Dip a toothbrush in water and run directly over the leaves of the plant, because the leaves of the plant are thinner and softer, so when dealing with aphids, pad the leaves of the plant with water from top to bottom or from bottom to top.
In the final analysis, the key to the prevention and control of plant pests is prevention, prevention first, if the prevention is done where it is missed, then the remedy is **. When buying a plant, you can at least look at it with your eyes, and if there are obvious signs of insects on the plant, don't buy it. In addition, it is necessary to strengthen the resistance of the plant, if there are diseases and insects, it can be resisted.
In addition, pruning should be carried out in the winter to cut off excess branches or diseased branches.
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Teasing control method of patchouli aphid: spray with 40% dimethoate, or 80% dichlorvos emulsifiable concentrate 1200 1500 times liquid squirt, once every 7 10 days, spray 2 3 times; It can also be sprayed with rotenic extract 800 1000 times; It can also be sprayed with smoke and bone water. The effect is good, especially the latter two are pollution-free pesticide prevention and control, and it is advisable to vigorously promote it.
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