Diversity of Beneficial Insect in Corn Plantation at West Sumatra

Martinus Abuzar, U. Khairul, H. Hamid
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引用次数: 2

Abstract

The corn plant is one of Indonesia's agricultural products with economical and strategic value and many potential to develop, such as the main carbohydrates and protein source. There are two types of beneficial insects in corn planting: predators and parasitoids. This study aims to know the diversity of beneficial insects in corn plantations. It was conducted from May – September 2019 in four different locations across West Sumatra, namely Padang Pariaman, West Pasaman, Pesisir Selatan, Solok Regencies. Identification of beneficial insects was made in Entomology Laboratory, Faculty of Agriculture, Andalas University. This study adopted a purposive sampling method using swing net 20 times, following the transect line of corn planting. The result showed five orders, 34 families, 101 morphospecies, and 747 beneficial insects in all locations. The diversity in each place varies from high, medium, and low. In all areas, the diversity index was high, with the criteria of ≥ 2.90, which means that the condition of the community structure was very stable. From the evenness index analysis, three locations were classified as high, and the other one was moderate. These three sites were Padang Pariaman, West Pasaman, and Solok, with criteria of ≥ 0.90 and very stable distribution conditions. 
西苏门答腊玉米种植园有益昆虫的多样性
玉米是印尼具有经济和战略价值的农产品之一,具有许多开发潜力,如主要的碳水化合物和蛋白质来源。玉米种植中有两种益虫:捕食者和寄生性昆虫。本研究旨在了解玉米种植园中有益昆虫的多样性。该调查于2019年5月至9月在西苏门答腊岛的四个不同地点进行,即巴东帕里亚曼、西帕萨曼、佩西西尔塞拉坦、索洛克摄政区。有益昆虫鉴定由安达拉斯大学农学院昆虫学实验室进行。本研究采用摆网20次有目的取样法,沿玉米种植样条线取样。结果表明,各生境共有5目34科101种,益虫747种。每个地方的多样性从高、中、低不等。各地区群落多样性指数均较高,分值≥2.90,表明群落结构状况稳定。从均匀度指数分析来看,有3个地点被划分为高,另一个被划分为中等。这3个地点分别为Padang Pariaman、West Pasaman和Solok,标准≥0.90,分布条件非常稳定。
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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