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在人工玉米木薯饲料上饲养玉米象, Sitophilus zeamais。

Rearing the maize weevil, Sitophilus zeamais, on an artificial maize-cassava diet.

机构信息

Department of Crop Production and Forest Resource Management, Kwara State University, Malete, Kwara State, Nigeria.

出版信息

J Insect Sci. 2012;12:69. doi: 10.1673/031.012.6901.

Abstract

Dry artificial diet pellets prepared with maize, cassava chips, and amino acid supplements (lysine and methionine) were evaluated for mass culture of Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae), a highly polyphagous pest of many stored grains. Evaluation was done in the laboratory at temperature 26 ± 2 °C, 60-70% RH, 12:12 L:D photoperiod. The artificial diet was compounded from different proportions of maize (M) variety TZPB-SW-R, cassava (C) variety TMS-2110, and amino acid supplements, and was pelletized into 6 mm diameter pellets on which five pairs of one-day-old S. zeamais were bioassayed. The diet M(9)C(1) (90% M and 10% C) was the most suitable diet with comparatively shorter developmental period (34.8 days) and the highest F(1) emergence of progeny (145.4) compared to the control, M(10)C(0) (100% M and 0% C).

摘要

用玉米、木薯薯片和氨基酸补充剂(赖氨酸和蛋氨酸)制成的干燥人工饲料颗粒,用于大规模培养玉米象 Motschulsky(鞘翅目:象甲科),这是一种对许多储存谷物具有高度杂食性的害虫。在实验室中,在温度为 26 ± 2°C、60-70% RH、12:12 L:D 光周期下进行了评估。人工饲料由不同比例的玉米(M)品种 TZPB-SW-R、木薯(C)品种 TMS-2110 和氨基酸补充剂组成,并将其制成 6 毫米直径的颗粒,在这些颗粒上对 5 对 1 天大的玉米象进行生物测定。与对照(100% M 和 0% C 的 M(10)C(0))相比,M(9)C(1)(90% M 和 10% C)是最合适的饲料,具有较短的发育周期(34.8 天)和最高的 F1 后代出现率(145.4)。

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Competition of three species of Sitophilus on rice and maize.三种米象在稻谷和玉米上的竞争。
PLoS One. 2017 Mar 6;12(3):e0173377. doi: 10.1371/journal.pone.0173377. eCollection 2017.

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