Fumigant toxicity of Cymbopogon flexuosus lemon grass (Poaceae) essential oil to Sitophilus zeamais maize weevil (Coleoptera: Curculionidae) and phytotoxicity to Zea mays (Poaceae)

被引：3

作者：

Mota Filho, Tarcisio Marcos Macedo ^{[1
]}

Camargo, Roberto da Silva ^{[1
]}

de Menezes, Claubert Wagner Guimaraes ^{[2
]}

Zanuncio, Jose Cola ^{[3
]}

Brito, Eliane Souza Gomes ^{[2
]}

Forti, Luiz Carlos ^{[1
]}

Araujo, Clinascia Rodrigues Rocha ^{[2
]}

机构：

[1] Univ Estadual Paulista UNESP, Fac Ciencias Agron, Dept Protecao Plantas, BR-18610034 Botucatu, SP, Brazil

[2] Inst Fed Norte Minas Gerais IFNMG, Dept Ciencias Agr, Campus Januaria, BR-39480000 Januaria, MG, Brazil

[3] Univ Fed Vicosa UFV, Dept Entomol, BIOAGRO, BR-36570900 Vicosa, MG, Brazil

来源：

CEREAL RESEARCH COMMUNICATIONS | 2024年 / 52卷 / 01期

关键词：

Biocontrol; Biofumigant; Phytotoxic effect; Stored grains; REPELLENCY; OCTOPAMINE; SEEDS;

D O I：

10.1007/s42976-023-00389-z

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Compounds with insecticidal properties from plant essential oils are an alternative to manage Sitophilus zeamais. However, these compounds can affect physiological processes such as seed germination and plant growth. The objective was to evaluate the toxicity of the Cymbopogon flexuosus essential oil by fumigation to S. zeamais and its phytotoxic to Zea mays. The mortality of S. zeamais was 100% with the doses of 20, 30, 40 and 50 mu L of the C. flexuosus essential oil per 20 g of grains. The lethal dose (LD50) of this essential oil was 9.3 mu L and its lethal time (LT50) greater with the 10 mu L (18.8 h) and lowest with that of 50 mu L (0.02 h), respectively. The doses of 10 and 20 mu L of the C. flexuosus essential oil did not reduce the seed germination and growth of corn plants. The essential oil of C. flexuosus is an alternative for the control of S. zeamais.

引用

页码：215 / 220

页数：6

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