Enhancing arthropod communities through plant diversified edge of kale cultivation

R. M. de Morais, A. F. D. De Morais, Vicente Guilherme Handte, Artur Fernando Poffo Costa, C. W. Saldanha, G. Steffen, E. Missio, Joseila Madaner, B. D. O. Filho
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Abstract

Plant diversification can increase organism abundance while reducing phytophagous insect activity in agricultural crops. We assessed arthropod diversity in fava beans (Vicia faba), fennel (Foeniculum vulgare), and marigolds (Tagetes patula) along the periphery of a kale plantation and examined the influence of their proximity to the kale cultivation. The study took place at the Centro Estadual de Diagnóstico e Pesquisa Florestal, Santa Maria, RS, Brazil. We collected plant samples from the periphery and cultivated kale plants at three distances from the edge: within two meters, 10 to 12 meters, and 20 to 22 meters. We recorded the number and biomass of marketable leaves from three harvests. A total of 618 arthropods were collected from plants along the periphery: Insecta (589), Arachnida (20), and Entognatha (9). Hemiptera was the most prevalent order (49.84%). Kale plants near the periphery experienced less predation from leaf beetles. Plants along the periphery hosted important predator groups as well as phytophages that can serve as alternative prey. Diversifying the periphery with fennel, fava bean, and marigolds shows promise as a strategy to enhance the arthropod community in kale cultivation, thereby acting as a conservative biological control.
羽衣甘蓝植物多样性栽培对节肢动物群落的促进作用
植物多样化可以增加农作物中生物的丰度,同时减少食植物昆虫的活动。本研究评估了甘蓝种植周边蚕豆(Vicia faba)、茴香(Foeniculum vulgare)和万寿菊(Tagetes patula)的节肢动物多样性,并研究了它们与甘蓝种植的邻近性对节肢动物多样性的影响。这项研究是在巴西圣马丽亚国立花卉中心Diagnóstico e Pesquisa Florestal进行的。我们从外围采集植物样本,并在距离边缘2米、10 ~ 12米和20 ~ 22米三个距离种植羽衣甘蓝植株。我们记录了三次收获的可销售叶片的数量和生物量。共采集到节肢动物618只,其中昆虫目589只,蜘蛛目20只,舌蛛目9只,半翅目最多,占49.84%。靠近边缘的羽衣甘蓝植株较少受到叶甲虫的捕食。沿着边缘的植物承载着重要的捕食者群体,以及可以作为替代猎物的植噬体。以茴香、蚕豆和万寿菊为外围植物,可作为羽衣甘蓝种植节肢动物群落的保护性生物防治策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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