葱灰霉病症状描述 葱灰霉病症状描述

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葱灰霉病是葱类作物中一种常见的病害，其病征表现为葱叶出现灰色霉斑，严重时会导致葱叶枯死、腐烂。

病害症状

葱灰霉病的病征主要表现为葱叶上出现灰色霉斑，病斑表面会覆盖一层细长的白色霉丝，随着病情的加重，霉斑会扩大，葱叶会逐渐枯死，最终腐烂。在高温多湿的环境中，病害会迅速扩散。

病害原因

葱灰霉病的发生与环境条件有很大关系，高温多湿的环境是病害的主要发生条件。葱类作物在生长过程中也容易受到一些细菌、真菌等微生物的侵袭，从而引发葱灰霉病的发生。

病害防治

葱灰霉病的防治主要有以下几个方面：

• 改善栽培环境，保持适宜的温度、湿度，避免葱类作物过度生长，从而减少病菌的生存条件；
• 加强葱类作物的管理，定期清除病叶、杂草等，保持通风透气，避免病害的扩散；
• 使用防病剂进行预防和治疗，如硫磺粉、氧化锌等，可以有效地抑制病菌的生长；
• 采用轮作制度，尽量避免连续种植同一作物，从而减少病害的发生。

用户关心问题

如何判断葱灰霉病的病情严重程度？

判断葱灰霉病的严重程度主要可以从以下几个方面入手：

• 观察病斑的大小和数量，病斑越大、数量越多，说明病情越严重；
• 观察葱叶的颜色和形态，如果叶片开始变黄、变软、变形，说明病情已经比较严重；
• 闻一闻葱叶的气味，如果有腐烂的味道，说明病情已经很严重了。

如何预防葱灰霉病的发生？

预防葱灰霉病的发生可以从以下几个方面入手：

• 定期清理田间杂草和病叶，保持田间通风透气；
• 采用轮作制度，避免连续种植同一作物；
• 合理施肥，避免肥料过量使用；
• 使用防病剂进行预防和治疗。

葱灰霉病对人体健康有影响吗？

葱灰霉病对人体健康没有直接影响，但是受到病害影响的葱类作物可能会受到一些农药、防腐剂等化学物质的污染，从而对人体健康造成潜在威胁。在购买葱类作物时，要选择正规渠道购买，避免购买受到病害影响的葱类作物。

参考来源

1.《中国葱产业发展报告》；

2.《葱类作物病虫害及防治技术》。

相关拓展：

问：Botrytis

网络葡萄孢属; 灰霉病; 贵腐菌; 葡萄孢菌; 贵腐酒

双语例句

These wines, made with grapes that have been inflict*** with botrytis, the famous noble rot, are both fiercely sweet and wonderfully acidic, with flavors of orange and apricot that meld gorgeously with chocolate. 这种葡萄酒是用感染了葡萄孢菌（著名贵腐菌）的葡萄酿造的，具有强烈的甜味和美妙的酸味，还有橙子和杏的味道，它和巧克力的味道融合在一起好极了。

Primary Study on the Inhibition Mechanism against Botrytis cinerea Pers. of Chitosan-oligosaccharides Obtain*** by Enzymatic Hydrolysis 酶法制备壳寡糖对番茄灰霉病病菌抑制机理初探

Culture Conditions of Antagonistic Bacteria NZT-19-241 for Producing Antibiotic Substances against Botrytis cinerea on Cucumber 黄瓜灰霉病拮抗细菌NZT-19-241抗菌物质产生条件的研究

Screening for Fungicides to Control Strawberry Botrytis cinerea Inhibitory Effects of Different Fungicides and Their Mistures on Tomato Grey Mould in Vitro 几种杀菌剂对草莓灰霉病菌的室内毒力测定不同杀菌剂及混剂对番茄灰霉病菌的室内抑制效果研究

Grey mold caus*** by Botrytis cinerea Pers ( isolat*** from garlic bolt) and Botrytis allii Munn was one of the main reasons to the rot of garlic bolts during the storage. 灰葡萄孢和葱腐葡萄孢引起的蒜薹灰霉病是导致蒜薹贮期腐烂的主要病因之一。

Comparison in morphological, physiological and biochemical feathers between the resistant mutants and the sensitive strain of Botrytis cinerea to procymidone 灰霉病菌抗感腐霉利菌株形态和生理生化特性的比较

The Effects of Asarum Essential Oil on Cell Wall Degradation Enzyme of Botrytis cinerea in vitro 离体条件下辽细辛精油对灰葡萄孢菌细胞壁降解酶活性的影响

Effect of bionic fungicide 2-allylphenol on the whole cell respiration of Botrytis cinerea 邻烯丙基苯酚对番茄灰霉病菌全细胞呼吸的影响

Studies on Differentiation of Pathogenicity of Botrytis cinerea Isolates from Four Hosts to Strawberry 四种寄主来源的灰葡萄孢对草莓的致病力分化研究初报

Studies on The Extracellular Enzymes of Trichoderma and Its Effects on Tomato Botrytis Cinerea 木霉菌胞外酶及对番茄灰霉病菌作用的研究

An antagonistic bacterial strain B21 was isolat*** from the leaf, could produce large amount of antimicrobial substance, which inhibit*** the growth of Botrytis cinerea Pers. 本研究以从植物叶片上筛选出的具有强烈抑制番茄灰霉病生长并产生大量颉颃物质的颉颃细菌B21为实验材料。

Study on Antifungal Activity of Eight Plant Extracts on Botrytis cinerea 8种植物提取物对番茄灰霉病菌抑菌活性的研究

The fungicidal activities and disease resistance of short peptide LD-1 against Botrytis cinerea were test*** in this paper. 本文以番茄灰霉病为供试菌株，研究了短肽LD-1对番茄灰霉病的抑制作用及其抗病性。

This paper studi*** the optimum culture conditions of NZT-19-241 for producing antibiotic substances against Botrytis cinerea on cucumber. 对拮抗黄瓜灰霉病菌的细菌NZT-19-241产生抗菌物质的条件进行了研究。

Agrobacterium-m***iat*** Transformation of Botrytis Cinerea and Analysis of Flanking Sequences 根癌农杆菌介导灰葡萄孢遗传转化及T-DNA侧翼序列分析

The nose is intense with rich apricot, toffee and butterscotch characters which are the hallmark of wines from a vintage with high botrytis influence. 浓郁的杏子、太妃糖、奶油糖果芳香体现了葡萄孢菌素含量较高的年份酒的特质。

Pathogenicity Analysis of Different Botrytis cinerea Strains in Cucumber 不同灰霉病菌株对黄瓜幼苗的致病力分析

Chitinase production conditions of Trichoderma harzianum Th-30 and its antagonistic activity against Botrytis cinerea 哈茨木霉Th-30几丁质酶的生产条件及对灰霉病菌的拮抗作用

The ble***ing sap had the best fungistatic effect on Botrytis cinerea among the three pathogenic fungi. 三种病原菌中，丝瓜伤流液对灰霉病菌的抑制效果最好。

Antagonism of the Three Biocontrol Bacteria Strains on Botrytis cinerea in Xinjiang 三种生防细菌对新疆灰霉病菌（BotrYtiscinerea）的拮抗作用

Control Effect of Two Botanical Mixture Fungicides on Botrytis cinerea in Strawberry 两种植物源复配杀菌剂对草莓灰霉病的防治效果初报

Study on Control Tomato Botrytis cinerea by Antagonistic Endophytic Actinomycetes 内生拮抗放线菌防治番茄灰霉病的研究

Studies on Fungicide Resistance of Botrytis cinerea in Hei Longjiang Province 黑龙江省番茄灰霉病菌抗药性变异研究

The insecticidal activity of the solid extract and liquid extract from Botrytis cinerea to Myzus persicae ( Sulzer) were bioassay*** by testing dipping method. 用浸渍法测定灰葡萄孢菌的固体和液体发酵粗提物对烟蚜的触杀活性。

Physiological and biochemical mechanism of Botrytis cinerea resistance to propamidine was clarifi*** preliminarily. 初步阐明番茄灰霉病菌抗丙烷脒的生理生化机制。

The Bioassay of Metabolite of Botrytis cinerea and Separation of Herbicidal Active Component 灰葡萄孢毒素的生物活性测定和除草活性成分分离研究

Establishment of the molecular detection for Botrytis elliptica and genetic diversity of inter-and intra-species for Botrytis spp. 陈惠玲。百合灰霉病菌分子检测之建立及灰霉病菌之种间和种内遗传差异性。