Underground pest control in nurseries

February 03 09:06:08, 2023

During the seedling stage, the main pests are: earthworms, cockroaches, ground tigers, etc., ingesting sown seeds, seedling roots, or snapping roots of flower seedlings. At the same time, activities in the soil cause vertical and horizontal cross-cutting tunnels, leaving seedling roots out of the soil. Dead with water loss. After sowing, the seedlings are most often victimized.
Prevention measures: (1) Strengthen management. The bed soil was sifted through a fine sieve and placed in a seedling tray. After sowing, the glass was covered so that the oysters could not enter. (2) poisoning bait trapping. The food uses wheat bran, bean cake, cotton cake, corn grits, wolfberry millet and so on. First fry the bait, and then mix 90% trichlorfon crystal with 30 times liquid and bait, 1 kg of bait with 1 g of 90% trichlorfon, add appropriate amount of water and mix with tide, spread in the evening, or in the spring With sugar, vinegar, wine, water ratio of 6:3:1:10 prepared into syrup, add 1% of dichlorvos for trapping; (3) chemical control. With 50% phoxim EC 800-1000 times, or 25% chlorsulfuron EC 800-1000 times, or 80% Trichlorfon 1000 times wettable powder sprayed or irrigated. (4) Manually kill. Every day, we kill tigers under the weeds. We use the soil to kill the pests. We find that there are tunnels on the surface and we can use water to drive them out.

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