|
|
|
| Effect of Trap Crop on Population of Root-knot Nematode in Soil |
| DU Hui1，QI Yong-hong1，SHEN Pei-zeng2，ZHANG Guang-rong2，CHEN Shu-long3，LU He-ping1* |
| 1Institute of Plant Protection，Gansu Academy of Agricultural Sciences，Lanzhou 730070，Gansu，China|2Station of Plant Protection and Quarantine of Baiyin City，Baiyin 730900，Gansu，China|3Institute of Plant Protection，Hebei Academy of Agricultural and Forestry Sciences，Baoding 071000，Hebei，China |
|
|
|
|
Abstract Before and after planting 5 trap crops， the population of root-knot nematodes in soil was studied．The results showed that trap crops have obviously reduced the population of root-knot nematodes in soil．Leaf lettuce has highest efficiency．The insect slipping rate is above 60%，respectively. The result of investigation on population of root-knot nematodes of these 5 trap crops showed that the disease occurrence rates were 100%， and the disease index of leaf lettuce， lettuce，rape，Chinese cabbage and spinach were 50.0，29.6，28.4，33.3 and 25.6，respectively.
|
|
Received: 10 May 2011
Published: 21 June 2011
|
|
|
|
|
|
|
|
|
