Root knot nematodes are a major enemy of the tomatoes and the tomato are quality and productivity decreased root knot nematodes removal by using chemicals to cause the residual in the environment and is harmful to living organisms. Therefore, this research aims to find out the possibility of bringing the neem extracts are used to reduce the amount of root-knot nematodes in tomato, which concentrated Neem extract, 1, 2, 3, and 4% (v/v) were tested, and then measured the growth of trees, and the number of buttons around the roots of trees, tomatoes, knot after app.Root-knot nematodes fungus ball (Meloidogyne incognita), for a period of 4 weeks, found that the neem extract does not affect the height of the dry weight, fresh weight, and root, but the root length decreased, dismissed the comparison with control unit 2 (fuel is not planted, nematodes) and found that the extract Neem got intensity.2, 3, and 4% (v/v) causes reduced root knot button. When compared with the neem extract concentration of 1% (v/v), but this number button knot that occur. Not different from control unit 1 (use of water) when comparing statistics (p > 0.05), and therefore conclude that the use of Neem extracts are all concentrated in the fourth week after planting nematodes infection can not control root knot disease of nematodes.
การแปล กรุณารอสักครู่..