THE IMPACT OF THE HAKEA SEED-MOTH CARPOSINA-AUTOLOGA (CARPOSINIDAE) ON THE CANOPY-STORED SEEDS OF THE WEED HAKEA-SERICEA (PROTEACEAE)

被引：10

作者：

GORDON, AJ

机构：

[1] Plant Protection Research Institute, Stellenbosch, 7600

来源：

AGRICULTURE ECOSYSTEMS & ENVIRONMENT | 1993年 / 45卷 / 1-2期

关键词：

D O I：

10.1016/0167-8809(93)90062-T

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The Hakea seed-moth, Carposina autologa Meyrick was released in South Africa for the biological control of Hakea sericea Schrader. The impact of the moth on the canopy-stored seeds of H. sericea was evaluated in the southwestern Cape over 3 years. The moth has reduced the mean accumulated seeds at the two study sites by 64.2% and 50.6%. It has shown a surprising ability to disperse and establish new colonies at low population levels. Although seed destruction is not severe, it is expected to contribute to the control of the weed.

引用

页码：105 / 113

页数：9

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