Armyworm (Spodoptera frugiperda J.E. Smith) Attack And Pest Population On Several Hybrid Corn Varieties And Strains In Talawaan Village, Talawaan District

Jurnal Agroekoteknologi Terapan Pub Date : 2023-07-10 DOI:10.35791/jat.v4i2.49086

Threis Umboh, Christina L. Salaki, Dantje Tarore

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Abstract

New superior varieties and high-yielding maize lines are one of the main components of the technology for increasing maize production. This study aims to determine the larval population and pest attack of S. frugiperda on two varieties and eight lines of hybrid maize implemented in Talawaan Village. It is hoped that from this study information on larval populations and pest attacks of S. frugiperda on two varieties and eight lines of hybrid maize implemented in Talawaan Village will be obtained. This study used a randomized block design with 10 treatments, consisting of two varieties and eight lines, each treatment was repeated 3 times, so that 30 experimental units were obtained. As treatments were two maize varieties, namely ADV 777 (A) and JH 37 (J) and eight lines namely HLN 01 (B), HLN 02 (C), HLN 03 (D), HLN 04 (E), HLN 05 ( F), HLN 06 (G), HLN 07 (H), HLN 08 (I). Observations were made at intervals of 1 week starting at 15 ADP, 22 ADP, 29 ADP and 36 ADP. The things that were observed were attack symptoms, larval populations and the percentage of S. frugiperda in the treatments being tested. The results showed that the highest average population of S. frugiperda larvae was found in the 36 ADP observations, namely treatment I (HLN 08) namely 165.33 individuals and the lowest in treatment A (ADV 777) of 18.33 individuals. The highest percentage of attacks was observed at 36 ADP, namely treatment I (HLN 08) of 46.00% and the lowest in treatment A (ADV 777) of 11.00%. Keywords: varieties, lines, S. frugiperda, corn hybrid Abstrak Varietas unggul baru dan galur tanaman jagung yang berdaya hasil tinggi merupakan salah satu komponen utama teknologi peningkatan produksi jagung. Penelitian ini bertujuan untuk menganalisis populasi larva dan serangan hama S. frugiperda pada dua varietas dan delapan galur jagung hibrida yang dilaksanakan di Desa Talawaan. Diharapkan dari penelitian ini dapat diperoleh informasi populasi larva dan serangan hama S. frugiperda pada dua varietas dan delapan galur jagung hibrida yang dilaksanakan di Desa Talawaan. Penelitian ini menggunakan Rancangan Acak Kelompok dengan 10 perlakuan, yang terdiri dari dua varietas dan delapan galur, masing-masing perlakuan diulang 3 kali, sehingga diperoleh 30 satuan percobaan. Sebagai perlakuan adalah dua varietas jagung, yakni ADV 777 (A) dan JH 37 (J) dan delapan galur yaitu HLN 01 (B), HLN 02 (C), HLN 03 (D), HLN 04 (E), HLN 05 (F), HLN 06 (G), HLN 07 (H), HLN 08 (I). Pengamatan dilakukan selang periode 1 minggu yang dimulai pada 15 HST, 22 HST, 29 HST dan 36 HST. Hal-hal yang diamati adalah gejala serangan, populasi larva dan persentase serangan S. frugiperda pada perlakuan yang diujicobakan. Hasil penelitian menunjukkan bahwa rataan populasi larva S. frugiperda tertinggi dijumpai pada pengamatan 36 HST yaitu perlakuan I (HLN 08) yakni 165.33 ekor dan terendah pada perlakuan A (ADV 777) sebanyak 18.33 ekor. Persentase serangan tertinggi pada pengamatan 36 HST yakni perlakuan I (HLN 08) sebesar 46.00% dan terendah pada perlakuan A (ADV 777) sebesar 11.00%. Kata kunci : varietas, galur, Spodoptera frugiperda, jagung hibrida

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塔拉瓦恩地区塔拉瓦恩村几个杂交玉米品种和品系上的棉铃虫（Spodoptera frugiperda J.E. Smith）侵袭和虫害数量

优良新品种和高产玉米品系是玉米增产技术的主要组成部分之一。本研究旨在确定在塔拉瓦安村种植的两个杂交玉米品种和八个品系上的幼虫种群数量和蚜虫危害情况。希望能通过这项研究获得有关在塔拉瓦安村种植的两个品种和八个品系杂交玉米上的蚜蝇幼虫数量和虫害的信息。本研究采用随机区组设计，共有 10 个处理，包括 2 个品种和 8 个品系，每个处理重复 3 次，因此共有 30 个实验单位。处理包括两个玉米品种 ADV 777 (A) 和 JH 37 (J)，以及八个品系 HLN 01 (B)、HLN 02 (C)、HLN 03 (D)、HLN 04 (E)、HLN 05 (F)、HLN 06 (G)、HLN 07 (H)、HLN 08 (I)。从 15 ADP、22 ADP、29 ADP 和 36 ADP 开始，每隔 1 周进行一次观察。观察的内容包括虫害症状、幼虫数量以及试验处理中蚜虫的比例。结果表明，在 36 ADP 观察中发现的笛蝽幼虫平均数量最多，即处理 I（HLN 08）为 165.33 头，处理 A（ADV 777）最少，为 18.33 头。在 36 ADP 观察到的虫害比例最高，处理 I（HLN 08）为 46.00%，处理 A（ADV 777）最低，为 11.00%。关键词：品种；品系；S. frugiperda；玉米杂交种摘要玉米高产新品种和品系是玉米增产技术的主要组成部分之一。本研究旨在分析在 Talawaan 村种植的两个玉米品种和八个杂交玉米品系上的幼虫数量和 S. frugiperda 的虫害侵袭情况。预计本研究将提供有关塔拉瓦安村两个品种和八个杂交玉米品系上蚜蝇幼虫数量和虫害的信息。本研究采用随机分组设计，共有 10 个处理，包括两个品种和 8 个品系，每个处理重复 3 次，共 30 个实验单位。处理包括两个玉米品种 ADV 777 (A) 和 JH 37 (J)，以及八个菌株 HLN 01 (B)、HLN 02 (C)、HLN 03 (D)、HLN 04 (E)、HLN 05 (F)、HLN 06 (G)、HLN 07 (H)、HLN 08 (I)。从 15 HST、22 HST、29 HST 和 36 HST 开始，每隔 1 周进行一次观察。观察的内容包括虫害症状、幼虫数量以及试验处理中蚜虫虫害的百分比。结果表明，在处理 I（HLN 08）中，36 HST 时的蚜蝇幼虫平均数量最高，为 165.33 头，处理 A（ADV 777）最低，为 18.33 头。处理 I（HLN 08）在 36 小时后观察到的虫害比例最高，为 46.00%，处理 A（ADV 777）最低，为 11.00%。关键词品种株系 Spodoptera frugiperda 杂交玉米

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Jurnal Agroekoteknologi Terapan

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