Pengaruh Konsentrasi Beauveria Bassiana Terhadap Intensitas Serangan Serangga Hama Ulat Daun (Plutella xylostella L.), Pertumbuhan Dan Hasil Beberapa Varietas Pakcoy (Brassica rapa L.)

M. Darusman, Ai Komariah, Elly Roosma Ria
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Abstract

This research aims to determine the interaction between administering concentrations of B. bassiana and several varieties on attacks by leaf caterpillar insect pests in increasing plant growth, plant fresh weight and quality of pakcoy plants. The experiment was carried out on experimental land in Cibedug Village, Cikole Village, Lembang District, West Bandung Regency with an altitude of 1100 m above sea level (asl) with Andisol soil order and was carried out from August 2023 to September 2023. The experimental design used was an environmental design experiment using a Split Plot Design consisting of 12 treatment combinations repeated 3 times. consists of two treatment factors, namely B. bassiana concentration (K) with the following levels: k0 : 0 g L-1 Solution (control), k1 : 2 g L-1 Solution, k2 : 4 g L-1 Solution and k3 : 6 g L-1 Solution and the second factor are several Pakcoy varieties (V) with the following levels: v1: Nauli F1 variety, v2: Flaminggo variety, v3: Masbro variety, which is repeated three times. The results of the research showed that there was no interaction between the concentration of B. bassiana and several pak choy varieties on all observed parameters. Giving a B.bassiana concentration of 4 g L-1 Solution had the most efficient effect on the intensity of attacks, weight and length of the 3rd instar larvae of P.xylostella. The Nauli F1 variety gave the best results in terms of plant height and number of leaves and the Flaminggo variety gave the best results in terms of fresh weight per plant and fresh weight per plot.
Beauveria Bassiana 浓度对叶片毛虫(Plutella xylostella L.)的虫害强度以及多个白花菜(Brassica rapa L.)品种的生长和产量的影响
本研究旨在确定施用高浓度的 B. bassiana 和几个品种对叶毛虫害虫攻击的交互作用,以提高椿树植物的生长、鲜重和质量。实验在西万隆区伦邦县西科勒村西贝杜格村的实验地进行,该地海拔 1100 米,土壤为安地索尔土层,实验时间为 2023 年 8 月至 2023 年 9 月。实验设计采用的是环境设计实验,采用的是分割小区设计(Split Plot Design),由 12 个处理组合组成,重复 3 次。由两个处理因子组成,即 B. bassiana 浓度(K),水平如下:k0:0 g L-1 溶液(对照),k1:2 g L-1 溶液,k2:4 g L-1 溶液,k3:6 g L-1 溶液;第二个因子是多个 Pakcoy 品种(V),水平如下:v1:Nauli F1 品种,v2:Flaminggo 品种,v3:Pakcoy 品种,v4:Pakcoy 品种,v5:Pakcoy 品种,v6:Pakcoy 品种,v7:Pakcoy 品种,v8:Pakcoy 品种,v9:Pakcoy 品种:V3:Masbro 品种,重复三次。研究结果表明,B.bassiana 的浓度与几个白菜品种之间对所有观测参数没有交互作用。B.bassiana 浓度为 4 g L-1 的溶液对 P.xylostella 三龄幼虫的攻击强度、重量和长度的影响最大。Nauli F1 品种在株高和叶片数方面效果最好,Flaminggo 品种在每株鲜重和每小区鲜重方面效果最好。
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