How to control wheat soil pests
Golden worm is a kind of underground pest. In recent years, due to the ban on “6-6â€, the operation of deep plowing has been reduced. In the wheat field, there is an upward trend in the damage of golden worms in many places, in particular, extensive cultivation and straw returning to the place where the maturity is not good.
The body size of the golden needle is slightly flat, the body wall is hard, golden or dark brown, and glossy, hence the name of the needle or parrot, and the adults of the cockroaches belong to the Coleoptera. But its individuals are narrow and long. The worm larvae bite on the seeds, roots, and seedlings of the wheat. The victim's incomplete bite is broken and irregular fractures are an important diagnostic basis. After heading, the golden worm larvae drilled into the internodes of the wheat roots and grazing the root section, resulting in the death of the affected plant. Adults grazing on the edge of the leaves of wheat or leaves of the middle leaves. The golden worms complete one generation every three years. In the middle of the year, the autumn seedling stage and early spring returning stage are the two peaks of damage, and the early spring damage is severe.
The prevention and control of helminths should be based on agricultural control. Deep ploughing and fine soil preparation, especially timely ploughing after harvesting, can kill some pests. Where conditions permit, it can be used for crop rotation or flooding and dry rotation, using the adult phototrophism of adult worms to control the adult stage. Set insecticide traps to kill adults in the field.
Chemicals can be controlled by chemical seed dressing, poisoning soil and growing seasons, etc., 50% phoxim EC can be used for seed dressing, 40% methylisothiphos EC, 48% LSD, according to pharmaceuticals and water. Seed 1:40:400 ratio; soil treatment can use 50% phoxim EC to 200 to 250 grams per mu, 20% methylisosphorus EC to 200 to 250 grams per mu, or 5% of LS granules 2-3 kilograms per acre, 50% phoxim powder per acre 2.5 to 3 kilograms, mixed with 25 kilograms of fine soil before spreading sowing or ridge application. When the dead seedling was found to be dead due to the damage of the golden needles before the winter and wheat returning to the green stage, the roots should be irrigated as soon as possible. The liquid can be prepared by diluting 40% zinc-phos-phor 100?150 ml with 50?75 kg water. Http://
Air Dryer,Desiccant Air Dryer,Industrial Hot Air Dryer Machine,Industrial Air Dryer
Hangzhou Zhongju air separation equipment manufacturing Co., Ltd , https://www.hzzjkfzz.com