针对烟草毛虫 Spodoptera litura F 和蓖麻半爬虫 Achaea janata L 的蓖麻种质筛选

Indian journal of entomology Pub Date : 2024-02-01 DOI:10.55446/ije.2024.1858

B. Keerthana, M. Chalam, P. Radhika, P. Lavanya Kumari

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引用次数: 0

摘要

针对两种重要害虫，即 Spodoptera litura（F）和 Achaea janata（L），筛选了 23 种蓖麻基因型。结果表明，没有一个基因型具有抗性。根据落叶量表，9 个基因型（即 GC-3（落叶率 9.86%）、ICS-164（10.13%）、DCH-519（10.48%）、YTP-1（10.92%）、DCS-107（11.78%）、DCS-8g（12.70%）、DCS-9（12.72%）、48-1（13.63%）和 GC-2（14.33%））被归类为对 S. litura 和 A. janata 具有抗性。三个基因型，即 Haritha（21.58%）、SKI-215（23.81%）和 SKI-291（24.07%）被归类为中度耐受。在这些基因型中，S. litura 的最低幼虫发生率范围为 0.31 至 0.51 个幼虫植株/1，而 A. janata 的最低幼虫发生率范围为 0.49 至 0.64 个幼虫植株/1。

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Screening of Castor Germplasm against Tobacco Caterpillar Spodoptera litura F and Castor Semilooper Achaea janata L

Twenty three castor genotypes screened against two important pests viz., Spodoptera litura (F) and Achaea janata (L). The results revealed that none of the genotypes were resistant. Based on the defoliation scale nine genotypes viz., GC-3 (9.86% defoliation), ICS-164 (10.13%), DCH-519 (10.48%), YTP-1 (10.92%), DCS-107 (11.78%), DCS-8g (12.70%), DCS-9 (12.72%), 48-1 (13.63%) and GC-2 (14.33%) were categorised as tolerant to S. litura and A. janata. Three genotypes viz., Haritha (21.58%), SKI-215 (23.81%) and SKI-291 (24.07%) were categorised as moderately tolerant. In these genotypes, the minimum larval incidence range was 0.31 to 0.51 larvae plant-1 in case of S. litura, whereas the minimum larval incidence range was 0.49 to 0.64 larvae plant-1 in case of A. janata.

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来源期刊

Indian journal of entomology

CiteScore

0.40

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0.00%

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