阿法诺米切斯麦克罗斯波鲁斯 sp. 的种类. 在新的一年里. 在大麦和其他一些植物中引起根腐
Mariann Wikström1, Lars Persson2, Jamshid Fatehi3
1Agro Plantarum AB, Kärrarpsvägen 410, S-265 90 Åstorp, Sweden.
Journal of fungi (Basel, Switzerland)
|December 22, 2023
概括
在瑞典和丹麦发现了一种新的大麦根腐病,由Aphanomyces macrosporus引起. 这种病原体导致大量的收获损失,并感染大麦,菜和甜菜.
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:
- 一种影响大麦的新型根腐病在瑞典南部和丹麦出现.
- 症状包括叶子变黄,虫变棕,根色变色,特别是在潮湿的土壤条件下.
- 疾病的发展可能会导致广泛的作物损害和产量减少.
研究的目的:
- 为了识别和描述新大麦根腐烂病的致病原体.
- 使用形态学和分子分析,将新的病原体与已知的Aphanomyces物种区分开来.
- 评估新发现物种的宿主范围和病原性.
主要方法:
- 在瑞典和丹麦进行实地调查,以确定疾病发生率和症状.
- 从受感染的大麦根中分离和培养Aphanomyces.
- oogonia 和 oospores 的形态特征.
- 分子分析,包括ITS rDNA区域的测序,用于遗传学评估.
- 对大麦,菜和甜菜进行致病性测试.
主要成果:
- 一个新的Aphanomyces物种,Aphanomyces macrosporus sp. 这是一种新的Aphanomyces物种. 11月,被识别和描述.
- 与相关物种相比,A. macrosporus的特点是较大的 oogonia 和 oospores.
- 遗传学分析证实了它与其他植物病原体Aphanomyces的区别.
- 该病原体在大麦,菜和甜菜上表现出致病性,这表明其宿主范围广泛.
结论:
- 阿法诺米切斯 (Aphanomyces macrosporus) 是一种新发现的致病植物物种,负责大麦的根腐.
- 它的广泛宿主范围和流行程度需要在农业管理和作物轮换策略中加以考虑.
- 目前正在进行进一步的研究,以充分阐明A. macrosporus的致病性谱.
关键词:
亚法诺米克斯种 (Aphanomyces sp.) 的其他种类.这是Beta vulgaris.丹麦 丹麦 丹麦 丹麦 丹麦这种植物叫Hordeum vulgare.菜 (Spinacia oleracea) 是一种的植物.瑞典 瑞典 瑞典 瑞典根病是一种根病.更多相关视频
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