The main insect pests of garlic include onion fly, seed fly, root beak, thrips, and spotted fly.
Control methods:
(1) Agricultural control: Before garlic is sown, it is necessary to plunge the soil deeper and dry for more than 15 days to reduce the number of soil and insect pest groups. The basal fertilizer must be fully decomposed, eliminate the eggs in the manure and prevent the adults from spawning eggs. The garlic is rotted in the mother-dwelling stage and watered in combination with irrigation water or ammonium bicarbonate to reduce adult oviposition.
(2) Chemical control: Before sowing, use 50% phoxim 1 kg, or 3% dandan 1 kg, or 2% tianda avermectin 500ml with 100 kg of sandy soil evenly into the sowing ditch to prevent onion fly Occurrence of species, flies, and roots. Around mid-April, the onset of spawning and spawning of larvae, larvae, and larvae was irritated with 40% methyl isofluosax 1000-fold + 2% tianda avermectin 2000-fold, killing and breaking into the root tissue. And root larvae, both for thrips, spotted fly and so on. Once every 10-15 days, spray 3 times.
It can make stout garlic stems, increase the growth of leafy clumps, increase the leaf area coefficient, increase the utilization rate of photosynthetic fertilizers, promote the transport of nutrients to garlic heads, full and full of garlic, reduce breading garlic, and reduce pests and diseases, and enhance drought resistance ability.
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