室内条件下小菜蛾在五种花椰菜栽培种上的生物学和种群统计(英文)

›› 2014, Vol. 57 ›› Issue (1): 61-66.

室内条件下小菜蛾在五种花椰菜栽培种上的生物学和种群统计(英文)

Gholamhosein HASANSHAHI¹, Fatemeh JAHAN¹, Habib ABBASIPOUR^1,*, Mohammad SALEHI-TABAR¹, Alireza ASKARIANZADEH¹, Jaber KARIMI¹, Ali Hossein RAHIMI²

(1. Department of Plant Protection, Faculty of Agricultural Sciences, Shahed University, Tehran 1865133191, Iran; 2. Zarand Branch Islamic Azad University, Zarand 7761146595, Iran)

出版日期:2014-01-20 发布日期:2014-01-20

Biology and demography of the diamondback moth, Plutella xylostella (Lepidoptera: Plutellidae) on five cauliflower cultivars under laboratory conditions (In English)

Gholamhosein HASANSHAHI¹, Fatemeh JAHAN¹, Habib ABBASIPOUR^1,*, Mohammad SALEHI-TABAR¹, Alireza ASKARIANZADEH¹, Jaber KARIMI¹, Ali Hossein RAHIMI²

(1. Department of Plant Protection, Faculty of Agricultural Sciences, Shahed University, Tehran 1865133191, Iran; 2. Zarand Branch Islamic Azad University, Zarand 7761146595, Iran)

Online:2014-01-20 Published:2014-01-20

摘要/Abstract

摘要： 【目的】小菜蛾Plutella xylostella (L.)是全球十字花科植物上最重要的害虫。由于施药成本的增加以及对环境的破坏性危害，抗性栽培种成为控制小菜蛾的理想选择。本研究中，鉴于对花椰菜不同栽培种的抗感性缺乏充分的了解，我们评价了几个常见栽培种的抗性以及不同植物栽培种对害虫种群增长潜力的影响。【方法】在25±2℃, RH 65%±5% 和光周期16L∶8D的室内条件下，研究了小菜蛾P. xylostella在5种花椰菜栽培种（Smilla, White cloud, Buris, Galiblanka 和Tokita）上的生命表参数。【结果】不小菜蛾幼期发育历期变化范围从Smilla上的13.44 d至Buris上的15.88 d。在Buris上观察到最高的生殖力。在Smilla上饲养的小菜蛾种群内禀增长率（0.27±0.02）和有限增长率（1.32±0.13）最高，而倍增时间最短（2.50 d）。【结论】因此，与其他栽培种相比，在伊朗南部Smilla更适合小菜蛾存活和繁殖，在条件合适和天敌缺乏时该害虫的种群能快速增长。

关键词: 小菜蛾, 种群统计, 花椰菜, 栽培种, 生命表参数

Abstract: 【Aim】 The diamondback moth, Plutella xylostella (L.), is globally regarded as most important pest of cruciferous plants. Due to increasing costs of spraying and destructive hazards on the environment, resistant cultivar is one of the perfect alternative methods to control P. xylostella. In the present study, due to lack of enough knowledge about resistance and susceptibility of different cultivars of cauliflower, we evaluated antibiosis resistance of some common cultivars and effects of different plant cultivars on potential of pest population growth. 【Methods】 In this research, life table parameters of P. xylostella were studied on five cauliflower cultivars including Smilla, White cloud, Buris, Galiblanka and Tokita under laboratory conditions of 25±2℃, 65%±5% RH and 16L∶8D photoperiod. 【Results】 The developmental time of immature stages ranged from 13.44 d on Smilla cultivar to 15.88 d on Buris cultivar. The highest fecundity of P. xylostella was observed on Buris cultivar. P. xylostella reared on Smilla cultivar had the highest intrinsic rate of increase (0.27±0.02) and finite rate of increase (1.32±0.13) and the lowest doubling time (2.50 d). 【Conclusion】 Therefore, Smilla cultivar is more susceptible than others to P. xylostella in the southern region of Tehran and the pest population can be quickly increased in the suitable conditions.

Key words: Plutella xylostella, demography, cauliflower, cultivars, life table parameters

Gholamhosein HASANSHAHI, Fatemeh JAHAN, Habib ABBASIPOUR, Mohammad SALEHI-TABAR. 室内条件下小菜蛾在五种花椰菜栽培种上的生物学和种群统计(英文)[J]. , 2014, 57(1): 61-66.

Gholamhosein HASANSHAHI, Fatemeh JAHAN, Habib ABBASIPOUR, Mohammad SALEHI-TABAR, Alireza ASKARIANZADEH, Jaber KARIMI, Ali Hossein RAHIMI. Biology and demography of the diamondback moth, Plutella xylostella (Lepidoptera: Plutellidae) on five cauliflower cultivars under laboratory conditions (In English)[J]. , 2014, 57(1): 61-66.

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