Plant greenhouses eggplant two diseases agricultural control
In the growth process of greenhouses, due to suitable warm and wet conditions, eggplants are very conducive to the occurrence and harm of gray mold and sclerotium. Many vegetable farmers only thought of chemical prevention when dealing with two diseases, and neglected the prior intervention of other agricultural measures. As a result, more and more bactericides have become more and more serious. Therefore, effective agricultural measures should be taken as early as possible when pests and diseases have not yet occurred or occurred lightly:
(1) Select the plots where no gray mold, Sclerotinia, and Bemisia tabaci occur as the construction greenhouse.
(2) Drainage ditches with certain depths are excavated on both sides of the greenhouse to ensure irrigation in the greenhouse and drainage in the rainy season.
(3) Selection of robust eggplant seedlings containing aphid-free Ascaris eggs was transplanted into greenhouses to control the transplanting density of eggplants in the shed.
(4) Insect nets are added to the two shed doors and skirts on both sides.
(5) Enter the late stage of eggplant growth, especially the prolonged period of susceptible flowers, strengthen the greenhouse ventilation, reduce the humidity of the greenhouse.
(6) Strengthen patrol inspections and early detection of insects that escape the net (ie, whiteflies, including eggs flying, nymphs, and nymphs flying and resting on the leaves of adults and on the back of the lower leaves of eggplant plants). Gray mold and sclerotinia disease strains. For adults of B. tabaci, use their yellowing resistance to suspend the yellow armyworm board to trap and kill. For the non-implanted animals that adhere to the back of the leaf, they should try to combine with the whole tree to pick the disease. When the old leaves are also removed, they should be removed; for diseases like gray mold and sclerotia Organize the debris as soon as possible. What needs special attention here is that the diseased flowers, diseased leaves, diseased branches (sclerotinia), diseased fruits, and insect leaves that have been removed cannot be thrown away in the greenhouse facilities and must be put into plastic bags or other materials. Stored in containers, and then all brought out of the shed to focus on incineration or spray fungicide and insecticide deep-buried. If the diseased body and the worm leaves are still stuck in the shed, it will cause the pests to re-infect and harm, and will not achieve the desired effect.
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