相关实验视频
Updated: Jun 23, 2025

06:58
Dry Root Rot Disease Assays in Chickpea: a Detailed Methodology
Published on: January 17, 2021
7.4K
干旱压力在种子发育期间对木炭腐烂和大豆产量的影响
Marcio Zaccaron1, Robert Holland2, Edward Gbur3
1Department of Plant Pathology, North Dakota State University, Fargo, ND.
Plant disease
|June 22, 2024
概括
季末干旱压力显著影响大豆中木炭腐烂,影响产量和疾病严重程度. 避免这种压力对于控制作物中的这种真菌病至关重要.
科学领域:
- 植物病理学 植物病理学
- 农业学是一种农业学.
- 农作物科学 农作物科学
背景情况:
- 由*Macrophomina phaseolina*引起的木炭腐烂是一种重要的大豆疾病.
- 有效的管理依赖于避免干旱压力和选择耐受性品种.
研究的目的:
- 调查灌制度和大豆品种对木炭腐烂发展的影响.
- 评估干旱压力时间对疾病严重程度和产量的影响.
主要方法:
- 用四种大豆品种进行实地实验,在不同的灌 (全灌,结束在R5,未灌) 和注射剂水平下进行.
- 测量包括规范差异植被指数 (NDVI),根植殖 (RSS),茎变色和产量.
- 在2011年和2013年期间在马里亚纳 (AR) 进行,这些年降雨量低于平均水平.
主要成果:
- 在R5 (CutR5) 终止灌导致较低的NDVI和产量,与完全灌相比,类似于非灌条件.
- 切割R5治疗显示出比完全或非灌治疗更高的根植入 (RSS).
- 植物殖民 *M. phaseolina* 与 2011 年的产量有负相关性,但不是 2013 年的产量. 没有观察到过早死亡.
结论:
- 季末干旱压力似乎比长期干旱对木炭腐烂的发展更为关键.
- 虽然季后压力会增加疾病的严重程度,但在商业领域出现的严重产量损失可能需要额外的因素.
关键词:
麦克罗福米纳 (macrophomina) 是一个巨大的类型.NDVI NDVI 在线阅读柴炭腐烂是因为木炭腐烂.培养品种的耐药性 种类的耐药性灌灌方式豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆更多相关视频
相关概念视频
Responses to Drought and Flooding
10.7K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
10.7K
Adaptations that Reduce Water Loss
25.5K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
25.5K
Responses to Salt Stress
13.1K
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
13.1K
Seed Structure and Early Development of the Sporophyte
28.1K
Seed structures are composed of a protective seed coat surrounding a plant embryo, and a food store for the developing embryo. The embryo contains the precursor tissues for leaves, stem, and roots. The endosperm and cotyledons—seed leaves—act as the food reserves for the growing embryo.
28.1K

