昆虫病原细菌和真菌对褐绒少爪螨和美洲洋槐的抑菌效果研究。植物

IF 0.5 4区 农林科学 Q4 AGRONOMY
Jhimy Parco, Agustina Valverde-Rodriguez, Antonio Cornejo, Henry Briceño, Laura Barrionuevo, Javier Romero
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引用次数: 0

摘要

在秘鲁HermilioValdizan国立大学(UNHEVAL)水果园艺研究所调查的22个鳄梨(Persea Americana Mill.)种质资源库中,经常观察到对作物有害的植食性螨Oligonychusyothersi物种的高种群。由于邻近地块上安装了蜂箱,商用杀螨剂的控制受到限制。本研究的目的是评价4种含僵菌绿僵菌和球孢白僵菌菌株以及枯草芽孢杆菌、苏云金芽孢杆菌变种库尔斯塔克(Btk)毒素的商业制剂对青霉病的防治效果。采用随机完全区组设计,5个处理,3个重复,实地评价昆虫病原性产物。在实验室中,选择500只成虫,每个培养皿放置100只成虫,每次处理重复三次。结果表明,在田间条件下,苏云金芽孢杆菌kurstaki变种制剂在49 d内可使螨的种群发病率降低98.07%。在实验室中,枯草芽孢杆菌和绿僵菌制剂在施用后6天的死亡率为100%,证明是有效的防治方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efficiency of entomopathogenic bacteria and fungi on Oligonychus yothersi in vitro and on Persea americana Mill. plants
In the germplasm bank of 22 varieties of avocado (Persea Americana Mill.) belonging to the Fruit Horticultural Institute Investigation, HermilioValdizan National University (UNHEVAL)-Peru, it is common to observe a high population of the species Oligonychusyothersi, a phytophagous mite harmful to the crop. Controls with commercial acaricides are restricted in place, due to the presence of beehives installed in adjacent plots. The objective of this study was to evaluate the effect of four commercial formulations containing strains of Metarhiziumanisopliae and Beauveria bassiana and the toxins of Bacillussubtilis, Bacillus thuringiensis var.kurstaki (Btk) for the control of O. yothersi. The entomopathogenic products were evaluated in the field applying a randomized complete block design with five treatments and three replicates. In the laboratory, 500 adult mites were selected, placing 100 mites per Petri dish with three repetitions per treatment. It was found that the formulation Bacillus thuringiensis var.kurstaki under field conditions reduced the population incidence of mites by up to 98.07% in 49 days. In the laboratory, the B. subtilis and M. anisopliae formulations caused 100% mortality six days after application proving to be efficient control alternatives.
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来源期刊
CiteScore
0.50
自引率
0.00%
发文量
45
审稿时长
>12 weeks
期刊介绍: La Revista de la Facultad de Agronomía de la Universidad del Zulia publica artículos científicos, notas técnicas, comunicaciones rápidas y artículos invitados originales e inéditos, es decir, que no hayan sido publicados ni enviados simultáneamente a otra revista para su publicación, de autores interesados en el campo agrícola vegetal y agrícola animal. De presentarse el caso que el autor o autores hubiesen enviado o publicado su manuscrito simultáneamente en otra revista, podrán ser sancionados con la no publicación en esta revista por tiempo indefinido. Se admiten manuscritos escritos en idioma Español, Portugués o Inglés, con un resumen en Español o Portugués y otro en Inglés (Abstract).
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