科研之友
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摘要
The twospotted spider mite, Tetranychus urticae Koch has been established as an indirect pest of tomatoes (Lycopersicon esculentum Mill.) by reducing yields through plant feeding. Field observations suggested that T. urticae feeding on fruit may have resulted in discoloration known as gold fleck. A series of experiments were undertaken in the field and laboratory to evaluate T. urticae feeding as a cause of gold fleck on the fruit. Field experiments showed that, as cumulative mite days increased, so did the percentage of fruit affected by gold fleck. Results from laboratory experiments showed that T urticae feeding on tomato fruit did cause gold fleck. This study clearly demonstrated that T urticae can damage tomato fruit directly in the form of gold fleck, which may impact marketability of that fruit.
- 出版日期2012-12
