CHEMOTHERAPEUTIC MANAGEMENT OF RALSTONIA SOLANACEARUM CAUSING BACTERIAL WILT OF TOMATO

Diyala Agricultural Sciences Journal Pub Date : 2022-12-31 DOI:10.56520/asj.v4i2.166

M. Atiq

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Abstract

Bacterial wilt is an important disease of tomato caused by Ralstonia solanacearum, which causes 90% yield losses. The present research was done to evaluate the effect of different chemicals against bacterial wilt of tomato. By using inhibition zone technique, five chemicals (Oxyrich, Forum top, Electus Super, Cabriotop and Kocide) at three different concentrations (250, 300 and 350 ppm) along with control were evaluated against R. solanacearum under lab conditions with Complete Randomized Design (CRD). Among all the treatments, maximum inhibition zone was expressed by Oxyrich (20.687mm). Under field conditions using Randomized Complete Block Design (RCBD), Oxyrich and kocide were evaluated alone and in combination at three different concentrations (2, 2.5 and 3%) along with control. Among these treatments, maximum reduction in disease incidence was expressed by combination of Oxyrich + Kocide (18.38%). Difference among treatments was observed using least significant difference (LSD) at probability level of 0.05%. It is concluded that identification of different chemicals will be helpful in future studies for the management of bacterial wilt disease of tomato.

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番茄青枯病病原菌的化疗防治

青枯病是番茄青枯病引起的重要病害，造成番茄90%的产量损失。研究了不同药剂对番茄青枯病的防治效果。采用完全随机设计(CRD)方法，在实验室条件下研究了5种化学物质(Oxyrich、Forum top、Electus Super、Cabriotop和Kocide)在250、300和350 ppm浓度下对茄枯病菌(R. solanacearum)的抑制效果。在所有处理中，Oxyrich表达的抑制区最大(20.687mm)。在现场条件下，采用随机完全区组设计(RCBD)，对Oxyrich和kocide进行单独评估，并在三种不同浓度(2%、2.5%和3%)下与对照一起联合评估。在这些治疗中，Oxyrich + Kocide联合治疗的发病率降低幅度最大(18.38%)。采用最小显著性差异(LSD)在0.05%的概率水平上观察处理间的差异。结果表明，不同药剂的鉴定将有助于今后番茄青枯病防治的研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Diyala Agricultural Sciences Journal

CiteScore

0.50

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0.00%

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