Pumpkin oblique longhorn beetle affects the yield, what medicine is better for pumpkin oblique longh

For the adult beetle, because the pesticide control will be sprayed directly on the body of the insect, the control is relatively easy, generally every year.

June and July is the time when the adult beetle is active, during this period of time for prevention and control, the harm of the longhorn beetle can be reduced or eliminated basically, there are many kinds of drugs used, the physical control is mainly the use of manual killing, clearing the garden, flooding and other methods, generally after the rain to catch the longhorn beetle, the prevention and control of the drug is to use cotton to absorb dimethoate EC, dichlorvos emulsifiable concentrate and other agents stuffed into the wormhole to kill, generally in June prevention and control is the best.

Brush the main trunk and main branches with a white coating to prevent the adults from laying eggs, generally before the adults emerge. The preparation method of white coating is as follows: kilograms of lime, 50 grams of sulfur powder, about 2 kilograms of water, and can be coated by mixing evenly.

This measure has obvious effects on the prevention and control of rosé-necked longhorn beetle; The main insect pests of pumpkin are: whitefly, aphid, red spider, etc., which are mainly used for drug control, bifenthro, parametrifin, imidacloprid, avermectin, pyridoxine, etc. The best pest control of pumpkin is to adopt agricultural, biological, physical integrated control technology, reasonable use of chemical pesticides, timely ventilation of pumpkin, to the weather to improve, to give pumpkin sufficient light, so as to reduce the spread of white mycelial disease.

Especially when managing in the field, be sure to remove the weeds in the field and do not let the weeds become overgrown, which are very susceptible to diseases and insects.

Choose disease-free; apply well-rotted organic fertilizer and implement crop rotation; strengthen temperature and humidity management; Smoke method can be used for cultivation in sheds; 45% chlorothalonil smoke removal agent is selected, 250 grams per mu, smoked once every 9 11 days, about 3 times in a row; It can be prevented and controlled with 1000 times of antibacterial special agents.

Pumpkin Brother Tiger Control Potion. Prevention and control of chlorantraniliprole, emamectin, avermectin, indoxacarb and other agents. Pumpkin aphid control agents.

You can choose pymetrozine, acetamiprid, dinotefuran, etc. Pumpkin red spider control agent. You can choose avermectin, pyridafen, avi spirofen, diamidine and other agents for prevention and control.

15 20 ml of 16% spinocidin * acetamiprid suspension per mu; or 25% cyhalothrin * clothianidin microcapsule suspension 20 30 g mu; or 25% insecticidal cyclo* acetamiprid wettable powder 20 30 grams mu or 60% pymetrozine * dinotefuran water dispersible granules 7 13 grams mu for control.

Pumpkin oblique longhorn beetle is more effective with pesticide, this medicine is designed to treat all kinds of pests, we can dilute this medicine, and then spray it on the pumpkin seedlings, after spraying twice, these insects will all die.

The use of insecticides to poison the larvae, or to remove the residual vines in the field, can effectively remove this germ, and the effect of spraying is very obvious.

The method of controlling pumpkin oblique longhorn beetle is to pay attention to the cleanliness of the field, completely remove the residual vines in the field before winter, and burn the accumulated fertilizer. In June and July, the inspection was strengthened, and it was found that there were fresh insect feces hanging on the melon plant, and the systemic insecticide was injected with a syringe to poison the larvae. In May, spray with 1000 times of 50% Bataan soluble powder or low-toxicity pyrethroid insecticide to control adult insects, and avoid melon flowers when spraying to prevent killing bees.

Pumpkin oblique longhorn is a common disease of pumpkin planting, the harm of pumpkin oblique longhorn is to eat melon vines when it is still a larvae, and then destroy the conduction tissue, but also will lead to the growth of the damaged melon plant weakened, in strict time the stem is broken and wilted, which will affect the yield and quality. When the resistance of the decayed plants is weakened, the vines crawling on the ground in the field are susceptible to the infection of the white silk fungus, which accelerates its death.

The harm is that the leaves appear small brown spots, and there are yellow rings on them, which are especially serious in the sun, and the rhizomes are easy to crack, and there are small holes on them.

(1) Pay attention to the cleanliness of the field, completely remove the residual vines in the field before winter, and burn the accumulated fertilizer. In particular, melon vines that climb on trees, walls, and houses should not be left, which can reduce the density of overwintering insects.

2) In June and July, the inspection was strengthened, and it was found that there were fresh insect feces hanging on the melon plant, and the systemic insecticide was injected with a syringe to poison the larvae. In May, spray 1000 times of 50% borer soluble powder or 300 400 times of 35% phos pyroxida concentrate to control adult insects, and avoid melon flowers when spraying to prevent killing bees.