History, significance and management of banded leaf and sheath blight disease of maize: a review

IF 1.6 4区 农林科学 Q2 AGRONOMY
Lokesh Yadav, Ashwani Kumar, Naresh Kumar Yadav, Rakesh Punia, R. S. Chauhan
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Abstract

Banded leaf and sheath blight (BLSB) caused by necrotic fungus Rhizoctonia solani f. sp. sasakii is one of the major disease of maize. BLSB is reported globally and cause complete failure of maize crop depending upon the environmental conditions. R. solani has wide, diverse host range and ability to remain dormant under unfavourable conditions in sclerotial forms making the pathogen rather difficult to manage. Due to absence of a desired level of resistance in commercially popular varieties/ hybrids of maize, management through chemical control has been the most adopted method. Limitations of high costs, health hazards and environmental pollutions pose a serious threat by chemical control measures. In this review, we provide an updated comprehensive description of history, economic impact, distribution, symptoms and various control measures including cultural, host plant resistance, biological and need-based applications of chemicals. Recent studies revealed efficacy of stripping of lower two/three leaves at 40 days after sowing as an efficient cultural practice for managing this disease. However, for effective management of BLSB disease, there is an urgent need to integrate all the available control methods to achieve its sustainable management in future with minimized economical losses.

玉米带状叶枯病和鞘枯病的历史、意义和管理:综述
由坏死性真菌 Rhizoctonia solani f. sp. sasakii 引起的带状叶枯病(BLSB)是玉米的主要病害之一。BLSB 在全球范围内都有报道,根据环境条件的不同,会导致玉米作物完全歉收。R. solani 的寄主范围广泛,种类繁多,并能在不利条件下以硬核形式保持休眠,因此病原体相当难以管理。由于市场上流行的玉米品种/杂交种缺乏理想的抗性水平,通过化学防治进行管理一直是最常用的方法。高成本、健康危害和环境污染等局限性对化学防治措施构成了严重威胁。在这篇综述中,我们全面介绍了玉米螟的历史、经济影响、分布、症状和各种防治措施,包括文化、寄主植物抗性、生物和基于需要的化学品应用。最近的研究表明,在播种后 40 天剥除下部两三片叶子是有效控制该病害的文化措施。然而,为了有效控制 BLSB 病害,迫切需要整合所有可用的控制方法,以实现未来的可持续管理,最大限度地减少经济损失。
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来源期刊
CiteScore
3.40
自引率
6.20%
发文量
92
审稿时长
6-12 weeks
期刊介绍: This journal publishes original papers presenting new scientific results on breeding, genetics, physiology, pathology and production of primarily wheat, rye, barley, oats and maize.
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