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Tackling fall armyworm (Spodoptera frugiperda) outbreak in Africa: an analysis of farmers’ control actions
International Journal of Pest Management ( IF 1.5 ) Pub Date : 2019-08-21 , DOI: 10.1080/09670874.2019.1646942
Justice A. Tambo 1 , Roger K. Day 2 , Julien Lamontagne-Godwin 3 , Silvia Silvestri 2 , Patrick K. Beseh 4 , Birgitta Oppong-Mensah 5 , Noah A. Phiri 6 , Mathews Matimelo 7
Affiliation  

Abstract Since its emergence in Africa in 2016, fall armyworm (FAW) has spread rapidly and poses a severe threat to the food security and livelihood of millions of smallholder farmers in the continent. Using survey data from Ghana and Zambia, we examined FAW prevention and control methods implemented by farm households and their impacts on maize output and household consumption of self-produced maize. The main control methods used included pesticide application and handpicking of larvae, while access to information on FAW was a key driver behind the implementation of the control methods. Results from an endogenous switching regression showed that the implementation of a FAW management strategy significantly enhanced maize yield and households’ own maize consumption. When disentangling the impacts of the main control methods, we found that the combination of pesticide application and handpicking of larvae produced the highest yield gain of 125%. We concluded that the current interventions put in place by farmers to tackle FAW infestations are providing positive outcomes, but successful management of the pest will require more actions, including raising awareness to enhance the adoption of control interventions and exploring other control options.

中文翻译:

应对非洲秋粘虫(草地贪夜蛾)暴发:农民防治行动分析

摘要 自 2016 年在非洲出现以来,秋粘虫 (FAW) 传播迅速,对非洲大陆数百万小农的粮食安全和生计构成严重威胁。我们利用加纳和赞比亚的调查数据,研究了农户实施的秋粘虫防治方法及其对玉米产量和家庭自产玉米消费的影响。使用的主要控制方法包括杀虫剂和人工采摘幼虫,而获得秋粘虫信息是实施控制方法的关键驱动因素。内生转换回归的结果表明,秋粘虫管理策略的实施显着提高了玉米产量和家庭自身的玉米消费。在理清主要控制方式的影响时,我们发现杀虫剂和人工采摘幼虫相结合产生了 125% 的最高产量增益。我们得出的结论是,农民目前为应对秋粘虫侵扰而采取的干预措施正在产生积极的结果,但成功管理害虫需要采取更多行动,包括提高认识以加强采用控制干预措施和探索其他控制方案。
更新日期:2019-08-21
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