三种金丝桃提取物对水稻、稻瘟病菌和三叶草的杀虫效果

IF 1.2 4区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY Ciencia E Agrotecnologia Pub Date : 2021-06-23 DOI:10.1590/1413-7054202145001921
C. Yaman, Ş. Şimşek
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引用次数: 4

摘要

在过去的几十年里,寻找具有杀虫特性的新的植物天然产物来控制农业害虫已经获得了相关性。摘要研究了三种金丝桃属植物(Hypericum heterophyllum, Hypericum perforatum, Hypericum scabrum)的花、叶和茎提取物对三种重要储粮害虫成虫的杀虫活性,即;米象(龟虻科)、牛虻科(牛虻科)和麻虻(拟甲科)。用10%浓度的金丝桃提取物与食物孵育,分别于24、48和72 h后记录其死亡率。金丝桃提取物对三种害虫的防治效果和暴露时间均有统计学意义。暴露72 h后,所有昆虫的死亡率在4.3% ~ 94.1%之间。在被试昆虫中,多米尼加白僵菌的易感程度高于杂交白僵菌和米曲霉。虽然3种金丝桃均有较好的杀虫效果,但贯叶连翘叶提取物对多家蝇的杀虫效果较好,而黄连翘花和黄连翘茎的杀虫效果较好。特别是贯叶连翘叶提取物,可作为储藏谷物中潜在的植物性杀虫剂的新来源。
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Insecticidal effect of from three Hypericum species extracts against Rhyzopertha dominica, Sitophilus oryzae and Tribolium confusum
ABSTRACT The search for new plant natural products with insecticidal properties to control insect pests in agriculture has gained relevance in the past decades. The aim of the study was to investigate the insecticidal activity of extracts derived from flower, leaf, and stem of three Hypericum species (Hypericum heterophyllum, Hypericum perforatum, Hypericum scabrum) against the adults of three important stored grain insect pests namely; Sitophilus oryzae (Curculionidae), Rhyzopertha dominica (Bostrichidae) and Tribolium confusum (Tenebrionidae). The insects were incubated with the food under 10% concentration of Hypericum extracts and the mortality was recorded after 24, 48 and 72 h of exposure. The extracts of the Hypericum species and exposure time were found to have statistically significant effective against the three insect pests. After 72 h exposure, the mortality ranged from 4.3 to 94.1 % for all insects. Among tested insects, R. dominica was more susceptible than T. confusum and S. oryzae. Although desirable insecticidal effect against the insects were recorded from all the three Hypericum species, the leaf extract of H. perforatum was more effective on R. dominica, while the flower and stem of H. scabrum displayed high toxic effect on T. confusum and S. oryzae, respectively. The leaf extracts, of H. perforatum, in particular, may be used as source of new potential botanical insecticides against R. dominica in stored grains.
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来源期刊
Ciencia E Agrotecnologia
Ciencia E Agrotecnologia 农林科学-农业综合
CiteScore
2.30
自引率
9.10%
发文量
19
审稿时长
6-12 weeks
期刊介绍: A Ciência e Agrotecnologia, editada a cada 2 meses pela Editora da Universidade Federal de Lavras (UFLA), publica artigos científicos de interesse agropecuário elaborados por membros da comunidade científica nacional e internacional. A revista é distribuída em âmbito nacional e internacional para bibliotecas de Faculdades, Universidades e Instituições de Pesquisa.
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