Acaricidal activity of Shirazian thyme and rosemary methanolic extracts in combination with spirodiclofen and propargite on Tetranychus urticae (Acari: Tetranychidae)

IF 0.7 Q4 ENTOMOLOGY
Mohamad-Javad Ghamari, Mohammad Homayoonzadeh, H. Allahyari, K. Talebi
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引用次数: 1

Abstract

The two-spotted spider mite, Tetranychus urticae Koch is one of the polyphagous pests that attack a wide range of crops. In recent decades, excessive application of synthetic acaricides has led to its resistance to pesticides and environmental pollution. However, considering the importance of the role of pesticides in controlling plant pests, it is impossible to cease using these compounds. In recent decades, new methods such as the use of plant extracts have been proposed that not only control pests but also have no residues and harmful environmental effects. Also, the use of plant extracts in combination with synthetic pesticides while controlling the pest, reduces the amount of pesticide usage. In this study, the efficacy of methanolic extracts of Zataria multiflora and Rosmarinus officinalis was investigated individually and in combination with spirodiclofen and propargite to control two-spotted spider mites. Bioassay tests were performed using the leaf dipping method. Each treatment was performed in three independent biological replications and the mortality was recorded 24 h after exposure. The 50% lethal dose (LC50) of spirodiclofen and propargite as well as methanolic extracts of Z. multiflora and R. officinalis were estimated to 1.89, 12.76, 1934.13, and 4382.07 mg/l, respectively. In addition, results of experiments related to mixing plant extracts with acaricides showed that the combination of Z. multiflora extract with spirodiclofen and propargite caused a synergistic effect with a co-toxicity coefficient of 66.66 and 55.55, respectively. However, the combination of R. officinalis extract with spirodiclofen and propargite caused an antagonistic response with −77.78 and −80.56, respectively.
百里香、迷迭香甲醇提取物与螺氯芬、丙雀鸟联合对荨麻疹叶螨的杀螨活性研究
荨麻疹叶螨(Tetranychus urticae Koch)是一种多食性害虫,危害多种作物。近几十年来,人工合成杀螨剂的过量使用导致其对农药产生抗药性,并造成环境污染。然而,考虑到农药在控制植物害虫方面的重要作用,不可能停止使用这些化合物。近几十年来,人们提出了使用植物提取物等新方法,不仅可以控制害虫,而且没有残留和有害环境影响。此外,在控制害虫的同时,结合使用植物提取物和合成杀虫剂,减少了农药的使用量。本实验研究了多花扎连和迷迭香甲醇提取物单独及与螺氯芬和丙帕特联合防治双斑蜘蛛螨的效果。采用浸叶法进行生物测定试验。每次处理进行3个独立的生物重复,并记录暴露后24 h的死亡率。螺双氯芬和丙帕特的50%致死量(LC50)分别为1.89、12.76、1934.13和4382.07 mg/l。此外,植物提取物与杀螨剂配伍试验结果表明,多花草提取物与螺氯芬和丙土虫配伍可产生协同效应,共毒系数分别为66.66和55.55。而马蹄草提取物与螺双氯芬和丙巴沙联合使用的拮抗效应分别为- 77.78和- 80.56。
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来源期刊
Persian Journal of Acarology
Persian Journal of Acarology Agricultural and Biological Sciences-Insect Science
CiteScore
1.60
自引率
30.80%
发文量
0
审稿时长
20 weeks
期刊介绍: Persian Journal of Acarology (PJA) is a peer-reviewed international journal of the Acarological Society of Iran for publication of high quality papers on any aspect of Acarology including mite and tick behavior, biochemistry, biology, control, ecology, evolution, morphology, physiology, systematics and taxonomy. All manuscripts will be subjected to peer review before acceptance.
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