间磺酸乙酯对巴西草的诱变及其对喷虫的防治效果

IF 0.5 4区农林科学 Q4 AGRONOMY

Revista De La Facultad De Agronomia De La Universidad Del Zulia Pub Date : 2022-08-03 DOI:10.47280/revfacagron(luz).v39.n3.04

Juan Gómez Villalva, Fernando Cobos Mora, Edwin Hasang Moran, Ana Eguiluz de la Barra, Israel Cortez Herrera

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引用次数: 0

摘要

本研究采用诱变剂EMS诱变巴西绿草(Eriochloa polystachya Kunth)，测定了巴西绿草(Eriochloa polystachya Kunth)的中位致死量(LD50)和对Mahanarva andigena的抗性。本研究采用完全随机设计(DCA)，在实验室和温室水平上进行，共10个处理，3个重复，包括5个剂量的EMS(0.00%、0.25%、0.50%、0.75%和1.00%)。2次浸渍(24和48小时)。结果表明，间磺酸乙酯(EMS)剂量对巴西草匍匐茎的实化有一定的影响，当EMS剂量大于0.50%时，其实化率较高。在48 h内施用0.25%的EMS，在95 d内达到最佳农艺性能，当用量接近DL50(0.32%)时，株高发育最佳。浸渍了EMS的里约热内卢草呈现出轻微的唾液损伤。

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Induced mutagenesis in janeiro grass by ethyl-meta-sulfonate and its effect on spittlebug control

In this research, the median lethal dose (LD50) and resistance to spittlebug (Mahanarva andigena) were determined, using a mutagenizing agent ethyl meta-sulfonate (EMS) in Janeiro grass (Eriochloa polystachya Kunth) as a means to generate mutations. The study was carried out at the laboratory and greenhouse level, using a Complete Random Design (DCA) with ten treatments and three repetitions, which consisted of 5 doses of EMS (0.00%, 0.25%, 0.50%, 0.75% and 1.00%). for 2 impregnation times (24 and 48 hours). According to the results, the doses of ethyl meta-sulfonate (EMS) influenced the setting of the stolons of the janeiro grass, presenting a high rate of deflation in doses higher than 0.50%. Treatments with doses of 0.25% EMS at 48 hours achieved the best agronomic performance up to 95 days, where plant height had its best development with use close to that determined as DL50 (0.32%). The janeiro grass impregnated with EMS presented slight damage caused by the spittle.

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来源期刊

Revista De La Facultad De Agronomia De La Universidad Del Zulia AGRONOMY-

CiteScore

0.50

自引率

0.00%

发文量

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).