小菜蛾性誘劑之田間誘效試驗(II.)性誘劑對小菜蛾之防治與發生預測
Other Title
Field Trapping of the Diamondback Moth, Plutella xylostella by Using Synthetic Sex Pheromone (II.)The Effective Control and Population Monitoring of Sex Pheromone of Diamondback Moth
Journal
中華農業研究
Journal Volume
36
Journal Issue
1
Pages
111-117
Date Issued
1987-03-11
Date
1987-03-11
Author(s)
錢景秦
邱瑞珍
Ching-Chin Chien
Shui-Chen Chiu
Abstract
為測定小菜蛾性誘劑在本省田間之誘雄實效，乃在臺中萬豐本所農場進行試驗。得知性誘劑（Z11-16 : Ald + Z11-16 : Ac + Z11-16 : OH , l : 1 : 0.02 ）劑量為50 或100 ug ，誘蟲盒間隔距離為2.2 或4m 時，對小菜蛾族群均無抑制效果；使用劑量為50 ug ，誘蟲盒間隔距離為11m ，其1 週所誘得雄蛾數能反映其使用前1 週，或預測誘集後1 及2 週甘藍上小菜蛾第三與四齡之幼蟲數，其r 值分別為0.855（n=21），0.662（n=16 ）及0.578 （n=14 ）。又該劑對寄生小菜蛾幼蟲之小繭蜂Apanteles plutellae無引誘力。
Studies were conducted in cabbage field of the Taiwan Agricultural Research Institute at Wufeng, Taichung during 1980-1982, to determine the potential synthetic sex pheromone trapping for controlling and monitoring diamondback moth (DBM), Plutella xylostella.
The results showed that the sex pheromone lure (Z1l-16 : Ald+ Z11-16 : Ac＋Z11-16 : OH, 1: 1 : 0.02) with 50 or l00ug per trap set up a distance as dense as 2.2m (25 traps/l00m2) or 4m (15 traps/240m2) apart, were not able to control the subsequent populations of DBM occurred in the field. However, the total number of male moths cought weekly by the traps (50ug/trap) set at 11m apart (1 trap/l00m2) showed the correlation with the subsequent populations of the 3rd- and 4th-instar larvae of DBM occurring 2-week later.
The sex pheromone lure did not attract the braconid, Apanteles plutellae, a larval parasitoid of DBM.
Publisher
農業試驗所
Type
journal article
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