品种和种植时杀虫剂对花生蓟马(蓟马科)防治的影响

Brendan Zurweller, Jeffrey Gore, Scott Graham, Whitney Crow, T. Towles, Don Cook
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引用次数: 0

摘要

烟草蓟马是花生生产系统中最普遍的早季害虫之一。2018 年和 2019 年在密西西比州斯通维尔进行了实验,以评估减轻蓟马负面影响的虫害综合防治方法。实验处理包括正常种植日期和晚期种植日期、品种 Georgia-06G 和 QR-14,以及由未处理对照、甲拌磷和吡虫啉组成的行内杀虫剂处理。测量包括早期和最终植株株高、未成熟蓟马和成虫数量以及豆荚产量。犁内杀虫剂对每株植物的蓟马数量有很大影响,蓟马处理排名为:甲拌磷 < 吡虫啉 < 未处理对照。然而,垄内杀虫剂与品种或栽培日期没有相互作用。虽然甲拌磷的蓟马防治效果优于吡虫啉,但两种处理的豆荚产量相似,而且两种垄内处理的产量都高于未处理对照。晚播品种 QR-14 的豆荚产量高于 Georgia-06G。总之,这些结果证实,在中南部花生生产环境中,在田间施用吡虫啉或甲拌磷杀虫剂足以防止蓟马造成的产量损失。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Impact of Variety and At-Planting Insecticides on Thrips (Thysanoptera: Thripidae) Management in Peanut
Tobacco thrips are one of the most prevalent early season insect pests in peanut production systems. Experiments were conducted in 2018 and 2019 in Stoneville Mississippi to evaluate integrated pest management approaches to mitigate negative effects of thrips. Experimental treatments included a normal and late planting date, varieties Georgia-06G and QR-14, and in-furrow insecticide treatments consisting of a non-treated control, phorate, and imidacloprid. Measurements included early and final plant stands, immature and adults thrips counts, and pod yield. In-furrow insecticide had a strong effect on number of thrips per plant with treatment thrips ranking of: phorate < imidacloprid < non-treated control. However, in-furrow insecticide had no interaction with variety or plating date. Although phorate provided greater thrips control than imidacloprid, pod yield for the two treatments was similar, and both in-furrow treatments had greater yield than the non-treated control. The variety QR-14 had greater pod yield than Georgia-06G when planted late. Overall, these results confirm that in-furrow insecticide applications of either imidacloprid or phorate are adequate in protecting against yield loss from thrips within a midsouthern peanut production environment.
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