臺灣省十字花科蔬菜害蟲田間藥劑防治試驗報告
Other Title
Report on the Field Insecticidal Control of Cruciferous Insects in Taiwan
Journal
農業研究
Journal Volume
3
Journal Issue
3
Start Page
15
End Page
29
Date Issued
1952-09-03
Date
1952-09-03
Author(s)
陶家駒
陳履通
陳貴華
Charles Chia-Chu Tao
L.T. Chen
K.H. Chen
Abstract
This report was performed from 1949 to 1951. During these years, the field survey and control experiment of cruciferous insects were taken throughout of the island. The results may be summarized as below.
There are 16 species of cruciferous insects were recorded from that island, their features and habits are briefly discussed.
Among these pests, due to market necessity, utilization of labour and land, the farmers are usually continuing and overlapping to cultivate these vegetables. For this reason, to break out of turnip aphis Rhopalosiphum pseudobrassicae Davis, turnip flea beetle Phyllotreta vittata Fabricius and some species of caterpillars.
Turnip aphis attacks heavily on Brassica pekinensis, B. juncea and Raphanus sativas, turnip flea beetle on local Brassica spp. and Raphanus sativas and some caterpillars on Brassica oleracea.
Turnip aphis may be completely controlled by rotenoid emulsion (containing 3.5% crystalline retenone), its effectiveness of dilution is 600-800 times. Turnip flea beetle by 1% gamma B H C dust and the caterpillars by 10% D D T dust. If turnip aphis and caterpillars appeared at the same time, they may be controlled by the spraying of 250-500 times of 25% D D T emulsion.
After planting the plants, methods of applying these insecticides and how to gain the most effectiveness, economics and safeness were described respectively.
Publisher
農業試驗所
Type
journal article
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