New virus prevention watermelon attention

A few days ago, the top ShouGuangShi discipline stage, the yao call, reflect partial gardener has called on this watermelon, a kind of new virus infection, will lead to JueShou watermelon, suggest to colonize pulling. Indeed, in shouguang, compositions, a kind of quarantine of virus disease -- cucumber Mosaic virus has found green mottled, attention, but it should ask why pull to colonize is not necessary.

Here, we will introduce the new of virus disease. Cucumber green mottled Mosaic virus host range is narrower, mainly in cucumber, watermelon, melons, etc, several cucurbitaceae seedling and all can come on -ies). This virus belongs to Mosaic virus, symptoms and ordinary Mosaic virus (mainly for tobacco Mosaic virus and cucumber Mosaic virus), mainly for plant growth slow, irregular fade or light yellow blossoms, green, quilted prominent surface area, rough, NongLu appear rollup concave and convex leaf aging, with the symptom is reduced. The virus to the influence of the cucumber fruits melons, as the material or white and green blister of necrosis, Watermelon fruit surfaces, close-hauled, blunt, pulp when voice serious discoloration or rot when mature in good shape, commonly known as "gourd, taste bitter flesh blood cannot edible.

From the spread of the virus on the way, mainly through the seed and contact transmission (fluids) or farming, also can be spread through the soil, but has not yet found the virus spread by poison pests. Therefore, the spring crop watermelon, GongPeng in April that have occurred before the area of the virus, watermelon more vegetable seedling and engraftment after to pay special attention to.

To prevent the virus, the first to seed disinfection, trisodium phosphate solution soaked 10% of 10-20 minutes, avoid seeds pass poison. The symptom that virus suspected seedling, want to wipe out, its surrounding plants to isolate and spraying, and building A virus prevention, chitin. If the virus has occurred, HuanCha timely area, and not to colonize watermelon, cucumber disease crops, such as planting instead of bio-control technology, beans, can prevent the virus spread, happen.