| Studing on the use of characteristics of aphid negative taxis of rape in dry-land |
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| DOI：10.7606/j.issn.1000-7601.2003.02.07 |
| Key Words: dry-land rape negative taxis virosis aphid |
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| Abstract: |
| The aphid possess positive taxis to golden and negative taxis to silver grey. If certain silver grey mark is set up, it can plan an important role in driving aphid. This paper uses the silver powder belt to the rape aphid in dry-land for four years. The results indicate that silver grey mark is very simple in setting and very convenient in using. The cost is very low. It can control the aphid in dry-land and the virosis were spreaded by aphid effectively. The effects of increasing in production is remarkable. It is worth spreading in production. |