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首页> 外文期刊>RSC Advances >Identification of resistance to cobweb disease caused by Cladobotryum mycophilum in wild and cultivated strains of Agaricus bisporus and screening for bioactive botanicals
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Identification of resistance to cobweb disease caused by Cladobotryum mycophilum in wild and cultivated strains of Agaricus bisporus and screening for bioactive botanicals

机译：鉴别野生植物植物和培养菌株肌肉菌霉菌菌和生物活性植物筛选引起的卵巢菌病

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摘要

Outbreaks of cobweb disease are becoming increasingly prevalent globally, severely affecting the quality and yield of Agaricus bisporus. However, cobweb disease-resistant strains are rare, and little is known regarding the biocontrol management of the disease. Here, we isolated a pathogen from a severe outbreak of cobweb disease on A. bisporus in China and identified it as Cladobotryum mycophilum based on morphological characteristics, rDNA sequences, and pathogenicity tests. We then tested 30 A. bisporus strains for cobweb disease resistance by inoculating with C. mycophilum and evaluated the activity of different botanicals. We found that two wild strains of A. bisporus originating from the Tibetan Plateau in China were resistant to cobweb disease, and four commercial strains were susceptible. Yield comparisons of the inoculated and uninoculated strains of A. bisporus with C. mycophilum revealed yield losses of 6-38%. We found that seven botanicals could inhibit C. mycophilum growth in vitro, particularly Syzygium aromaticum, which exhibited the maximum inhibition (99.48%) and could thus be used for the further biocontrol of cobweb disease. Finally, we identified the bioactive chemical constituents present in S. aromaticum that could potentially be used as a treatment for C. mycophilum infection using Fourier transform infrared (FTIR) spectroscopy. These findings provide new germplasm resources for enhancing A. bisporus breeding and for the identification of botanicals for the biocontrol of cobweb disease.
机译：蛛网疾病的爆发也日趋流行全球，严重影响了双孢菇的质量和产量。然而，蛛网抗病毒株是罕见的，很少关于疾病的生物防治管理闻名。在这里，我们从蛛网病对中国双孢菇严重的疫情中分离出来的病原体，并确定其为Cladobotryum mycophilum基于形态特征，rDNA序列，和致病性试验。然后，我们通过用C. mycophilum接种测试30个为蛛网抗病双孢蘑菇菌株和评估了不同植物的活性。我们发现，从青藏高原在中国双孢菇原产两个野生菌株对蛛网抗病和四大商业菌株敏感。 A.与C. mycophilum孢蘑菇的接种和未接种的菌株的产量比较发现的6-38％的产量损失。我们发现，7种植物能抑制C. mycophilum体外生长，特别是丁香，其显示的最大抑制（99.48％）和因此可以用于蛛网病情进一步生物防治。最后，我们确定了生物活性化学成分存在于可能潜在地被用作用于使用傅里叶变换红外（FTIR）光谱法C. mycophilum感染治疗芳香S.。这些发现为提高双孢菇养殖和鉴定植物为蛛网病害的生物防治提供新的种质资源。

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  • 来源
    《RSC Advances》 |2019年第26期|共8页
  • 作者

    Muhammad Idrees; Sossah Frederick Leo; Yang Yang; Li Dan; Li Shoujian; Fu Yongping; Li Yu;

  • 作者单位

    Jilin Agr Univ Chinese Minist Educ Edible &

    Med Fungi Engn Res Ctr Changchun 130118 Jilin Peoples R China;

    Jilin Agr Univ Chinese Minist Educ Edible &

    Med Fungi Engn Res Ctr Changchun 130118 Jilin Peoples R China;

    Jilin Agr Univ Chinese Minist Educ Edible &

    Med Fungi Engn Res Ctr Changchun 130118 Jilin Peoples R China;

    Jilin Agr Univ Chinese Minist Educ Edible &

    Med Fungi Engn Res Ctr Changchun 130118 Jilin Peoples R China;

    Jilin Agr Univ Chinese Minist Educ Edible &

    Med Fungi Engn Res Ctr Changchun 130118 Jilin Peoples R China;

    Jilin Agr Univ Chinese Minist Educ Edible &

    Med Fungi Engn Res Ctr Changchun 130118 Jilin Peoples R China;

    Jilin Agr Univ Chinese Minist Educ Edible &

    Med Fungi Engn Res Ctr Changchun 130118 Jilin Peoples R China;

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