伪增瘤在泰国主要热带水果作物中引起叶子斑病
Sukanya Haituk1,2, Anuruddha Karunarathna1,2, Thitima Wongwan1
1Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand.
Plants (Basel, Switzerland)
|December 17, 2024
概括
新的真菌病原体,Pseudoplagiostoma perseae和Ps. 新的真菌病原体,Pseudoplagiostoma perseae和Ps. 新的真菌病原体. 在泰国,在梨和果作物上发现了虫. 这项研究证实了它们的致病性,并扩大了它们已知的地理分布,对疾病管理产生了影响.
科学领域:
- 植物病理学 植物病理学
- 菌类学 菌类学是指菌类学.
- 农业科学 农业科学
背景情况:
- 水果作物对泰国经济至关重要,需要持续的疾病监测.
- 在梨 (Persea americana) 和果 (Mangifera indica) 上观察到叶子斑病.
研究的目的:
- 在泰国识别和描述导致梨和果上的叶斑的真菌病原体.
- 为了确定这些真菌物种的病原性和地理分布.
- 评估潜在的疾病控制策略.
主要方法:
- 使用多位置的遗传学分析 (ITS,LSU,tef1α,tub2) 确定了真菌分离物.
- 通过对宿主植物的接种试验证实了病原性.
- 进行了交叉注射试验,以评估宿主特异性.
- 在实验室中进行了真菌杀菌剂敏感性测试.
主要成果:
- 从梨中分离出来的真菌被确定为Pseudoplagiostoma perseae,从果中分离出来的真菌被确定为Ps. 类动物 类动物
- 致病性测定证实了Ps. 珀西会导致梨和Ps.的叶子斑. 果花会在果上造成叶子斑.
- 这项研究报告了这些病原体在泰国的新型地理分布.
- 这两种病原体都表现出宿主特异性.
- 所有测试的杀菌剂 (卡本达齐姆,三克西斯特罗宾,曼科泽布,普罗克洛拉兹) 在体外有效地抑制了菌根的生长.
结论:
- 伪菌口虫 perseae 和 Ps. 这种病. 在泰国,虫对梨和果分别具有病原性.
- 这些发现扩大了这些植物病原体已知的地理范围.
- 基于杀菌剂的有效性,可以制定有效的疾病管理策略.
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