The leek bulbs, which are damaged by the roots, are often eaten into empty holes, causing decay and yellow leaves and withered to death. Control can be used on the sun root, application of wood ash or per acre with 5% phoxim granules 2 kg mixed with fine soil applied to the leeks root, and then covered with soil. When the larvae are damaged, if they find that the tip of the leaf begins to yellow and become soft and fall down to the ground, they can be controlled by irrigating. Use 75% phoxim EC 500 times solution or 25% quizopriosin EC 1000 times to remove the rhizosphere topsoil. Root sprinkling irrigation, covering the soil at any time, spraying the best results from 9 to 10 am During the emergence period of the adult (mid-late and late April, mid-June, late July and mid-October), spray 10% chlorimazine (Imidacloprid) 2000 to 2500 times or 75% phoxim 1000 times or 2.5% bromine 3000 times of cypermethrin, 9 ~ 10 am spray better. The roots cover a lot of habitats, including shading, moisture, and humus. The ventilation of the leaves can reduce the occurrence. Collapsible Foot Spa,Foot Spa Bath Massager,Foot Bath Spa Massager,Foot Soak Tub Huaian Mimir Electric Appliance Co., LTD , https://www.mmfootspa.com
Prevention and cure method of leek leaf caused by lotus root