PERSISTENCE AND EFFECTIVENESS OF THIONAZIN AGAINST POTATO APHIDS ON 3 SOILS IN SOUTHERN ENGLAND

被引：5

作者：

PAIN, BF

SKRENTNY, RF

机构：

[1] Zoology Department, Imperial College Field Station, Ascot, Berkshire, Ashurst Lodge

来源：

JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE | 1969年 / 20卷 / 08期

关键词：

D O I：

10.1002/jsfa.2740200808

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Degradation curves were determined for thionazin applied to the soil in potato plots at three sites. Thionazin persisted longer in an acid, sandy soil than in an alkaline, clay soil, and residues were detected in the sandy soil a year after application. Results of residue analyses were confirmed by determining the kills of aphids (Myzus persicae Sulz.) ‘sleeved’ on to potato plants. Natural infestation by potato aphids was effectively decreased only on plots treated with thionazin at 40 Ib/acre (44.84 kg/ha) on the acid sandy soil. Copyright © 1969 John Wiley & Sons, Ltd

引用

页码：485 / &

共 12 条

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