| 摘要 |
There is provided a netting produced from polymeric fibers, for use in fences for plant protection preventing invasion for insect pests, which netting has rectangular openings of from 0.25 mm to 0.35 mm in one dimension, and from 0.4 mm to 1.0 mm in the other dimension, with an open area of at least 40 percent of the area of the netting, the fibers having a diameter of about 0.2 mm to about 0.35 mm. The invention further relates to a method of crop protection, preferably against Bemisis Tabaci, where plots of land on which a crop is grown are surrounded by a netting as defined above. Also other insect pests are prevented from passing through such netting and from entering such cultivated plots. |
