球孢白僵菌九个菌株对赤拟谷盗成虫的毒效（英文）

›› 2013, Vol. 56 ›› Issue (2): 201-206.doi:

球孢白僵菌九个菌株对赤拟谷盗成虫的毒效（英文）

Hediyeh GOLSHAN^1,*, Moosa SABER¹, Farzad MAJIDI-SHILSAR², Farrokh KARIMI³

(1. Department of Plant Protection, College of Agriculture, University of Maragheh, Maragheh, 55181-83111, Iran;
2. Department of Plant Protection, Rice Research Institute, Rasht, 41635-1658, Iran;
3. Department of Basic Sciences, University of Maragheh, Maragheh, 55181-83111, Iran)

出版日期:2013-02-20 发布日期:2013-02-20

Efficacy of nine isolates of Beauveria bassiana against adults of Tribolium castaneum (Coleoptera: Tenebrionidae) （In English）

Hediyeh GOLSHAN^1,*, Moosa SABER¹, Farzad MAJIDI-SHILSAR², Farrokh KARIMI³

(1. Department of Plant Protection, College of Agriculture, University of Maragheh, Maragheh, 55181-83111, Iran;
2. Department of Plant Protection, Rice Research Institute, Rasht, 41635-1658, Iran;
3. Department of Basic Sciences, University of Maragheh, Maragheh, 55181-83111, Iran)

Online:2013-02-20 Published:2013-02-20

摘要/Abstract

摘要： 球孢白僵菌Beauveria bassiana (Balsamo) Vuillemin是最重要的昆虫病原真菌，广泛用于防治世界各地的多种害虫。本研究评价了球孢白僵菌9个菌株对赤拟谷盗Tribolium castaneum (Herbst)成虫的致病性。将15头赤拟谷盗成虫浸入到4个浓度 (1×10⁶, 1×10⁷, 1×10⁸ 和 1×10⁹ 个分生孢子/mL)的白僵菌菌株中 20 s， 14 d内每日记录成虫的死亡率。结果表明： IRAN 440C菌株对赤拟谷盗成虫的LC₅₀最低 (5.04×10⁷ 个分生孢子/mL), IRAN 187C菌株的最高(5.05×10⁸个分生孢子/mL)； DEBI 005菌株对赤拟谷盗成虫的LT₅₀最短(2.88 d)， DEBI 014菌株的最长(4.96 d)。根据LC₅₀, LT₅₀和死亡率结果得出IRAN 440C是防治这一害虫的理想菌株。

关键词: 球孢白僵菌, 赤拟谷盗, 致病性, 致死中浓度 (LC₅₀), 致死中时 (LT₅₀)

Abstract: Beauveria bassiana (Balsamo) Vuillemin is one of the most important entomopathogenic fungi and has been widely used for many insect pests all over the world. In this study, the pathogenicity of nine isolates of B. bassiana was evaluated against adults of Tribolium castaneum (Herbst). Fifteen adults of the pest were submerged into the four suspensions (1×10⁶, 1×10⁷, 1×10⁸ and 1×10⁹ conidia/mL) of different isolates of B. bassiana for 20 s, and the mortality was recorded daily for 14 d. Results showed that IRAN 440C and IRAN 187C isolates had the lowest (5.04×10⁷ conidia/mL) and highest (5.05×10⁸ conidia/mL) LC₅₀, and DEBI 005 and DEBI 014 isolates had the shortest (2.88 d) and longest (4.96 d) LT₅₀, respectively. According to the LC₅₀ and LT₅₀ values and the mortality, IRAN 440C is a perfect isolate for using in controlling the pest.

Key words: Beauveria bassiana; Tribolium castaneum, pathogenicity, median lethal concentration (LC₅₀), median lethal time (LT₅₀)

Hediyeh GOLSHAN, Moosa SABER, Farzad MAJIDI-SHILSAR, Farrokh KARIMI. 球孢白僵菌九个菌株对赤拟谷盗成虫的毒效（英文）[J]. , 2013, 56(2): 201-206.

Hediyeh GOLSHAN, Moosa SABER, Farzad MAJIDI-SHILSAR, Farrokh KARIMI. Efficacy of nine isolates of Beauveria bassiana against adults of Tribolium castaneum (Coleoptera: Tenebrionidae) （In English）[J]. , 2013, 56(2): 201-206.

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