Greenhouse Melon Anti-plaque
Preventive measures 1 Reasonable ventilation. After the shed was uncovered in the morning, the air outlet was first opened, but the temperature in the shed could not be suddenly reduced. With the increase in the temperature in the shed, the air outlet gradually increased to make the water droplets on the husk surface gradually disappear. Finally, the temperature of the shelf is maintained at 28°C to 30°C. Even if it is cloudy, it should be ventilated for a short time. 2 reasonable dense planting. Density should not be too large, acre colonization is generally controlled in the 2500 ~ 2800 strains, grafted melon lower limit, non-grafted upper limit. 3 medication time is in the sunny morning 9 to 10 o'clock, or after 2 o'clock in the afternoon. It is worth noting that there must be no water droplets on the guava in front of the shed. 4 medication concentration should be accurate. The preparation of a small concentration, can not achieve the purpose of prevention and treatment of disease, the concentration of large, easy to cause injury, must be based on instructions for use.
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Runner bean name pouch bean (Phaseolus coccineus Linn.), also known as spend Beans, African beans beans and look brown rice, legume plants of the genus Phaseolus.Perennial twining herb, root and stem of 2-4 meters long or too, pinnate 3 flocculus, stipule small, lobules ovate or oval shape diamond, spend more on a leaf on the long peduncles, arranged in raceme, pods sickle oblong, seeds broadly oblong, apex obtuse, dark purple and erythema, black or red, thin is white.Pouch bean requirements, cool, moist climate grow warm 12 ~ 17 ℃, high temperature region types for or high temperature disorder, often spend but not solid, appropriate fertile soil rich in organic matter.Pouch is native to Central America, is now widely cultivated the temperate regions, northeast, north China to southwest has cultivated in China.Runner beans often cultivated for ornament, in Central America, but its tender pod also for food, seeds or roots.