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Biocontrol potential of the entomopathogenic nematodes (Rhabditida: Steinernematidae and Heterorhabditidae) against the termite species, Microtermes obesi (Holmgren) (Blattodea: Termitidae)
Egyptian Journal of Biological Pest Control ( IF 2.4 ) Pub Date : 2021-07-02 , DOI: 10.1186/s41938-021-00448-9
Salma Javed 1 , Ashraf Ali 1 , Tabassum Ara Khanum 1
Affiliation  

Globally, termites cause a great problem for the farmers which eat the stalk of the wheat, maize, and the sugarcane and also affect the growth of vegetables. For ecological farming system, biocontrol agents represent a vital implement in pest management policies. Biological control can play a probable, even more considerable part to reduce the adverse possessions of synthetic chemical pesticides. The present study aimed to evaluate the biocontrol potential of one heterorhabditid species and 4 steinernematid species against the termite species (Microtermes obesi (Holmgren) (Blattodea: Termitidae)) on filter paper bioassay and wooden logs. Among all tested species of the entomopathogenic nematodes, maximum mortality rates 100% were obtained by using Steinernema pakistanense N-KA.04 and S. bifurcatum N-KA.93 after 48 h of the application. S. siamkayai N-KA.12 mortality ranged (85–87%), followed by S. ceratophorum N-KA.57 (77–80%) and then Heterorhabditis indica N-KA.03 (70–77%) at the highest concentrations (350–650 IJs/ml). The expansion of appropriate application products for the management of termite effectiveness, observing and timing of application, participation of farmers in checking, and judgment is essential to avert disasters of entomopathogenic nematodes (EPNs) in field conditions and to make farmers’ confident with the use of the most promising species of EPNs.

中文翻译:

昆虫病原线虫 (Rhabditida: Steinernematidae 和 Heterorhabditidae) 对白蚁物种Microtermes obesi (Holmgren) (Blattodea: Termitidae ) 的生物防治潜力

在全球范围内,白蚁给吃小麦、玉米和甘蔗的农民带来了很大的问题,也影响了蔬菜的生长。对于生态农业系统,生物防治剂是害虫管理政策的重要工具。生物防治可以在减少合成化学农药的不利占有方面发挥可能,甚至更大的作用。本研究旨在通过滤纸生物测定和木原木评估一种异线虫物种和 4 种 steinernematid 物种对白蚁物种 (Microtermes obesi (Holmgren) (Blattodea: Termitidae)) 的生物防治潜力。在所有测试的昆虫病原线虫物种中,使用 Steinernema pakistanense N-KA.04 和 S. bifurcatum N-KA.93 在施用 48 小时后获得了 100% 的最大死亡率。S。siamkayai N-KA.12 死亡率范围为 (85–87%),其次是 S. ceratophorum N-KA.57 (77–80%),然后是 Heterorhabditis indica N-KA.03 (70–77%),浓度最高(350–650 IJ/ml)。扩大合适的应用产品,用于白蚁有效性管理、观察和应用时机、农民参与检查和判断,对于避免田间条件下昆虫病原线虫(EPNs)的灾害和使农民对使用有信心至关重要最有前途的 EPN 物种之一。
更新日期:2021-07-02
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