在不同存储条件下,豆种子的生理,形态和化学变化
Alexandru Cojocaru1, Razvan-Vasile Carbune2, Gabriel-Ciprian Teliban1
1"Ion Ionescu de La Brad" Iasi University of Life Sciences, 3 M. Sadoveanu, 700440, Iasi, Romania.
Scientific reports
|November 15, 2024
概括
最佳的豆种子储存包括低温 (4°C) 和湿度 (8%) 8个月,保持发芽,活力和营养含量. 长时间的储存,特别是在更高的温度和湿度下,会对种子质量产生负面影响.
科学领域:
- 农业科学 农业科学
- 植物生理学 植物生理学
- 种子科学 种子科学
背景情况:
- 豆类作物需要频繁的种子繁殖,因为在储存期间快速丧失生存能力.
- 国际法规限制豆类种子的播种在第一年.
- 保持种子质量对于作物建立和产量至关重要.
研究的目的:
- 评估储存时间,温度和湿度对豆种子质量的影响.
- 为了确定最佳的储存条件,以保持豆的形态生理和化学特征.
- 为了比较不同储存参数对两种豆品种 (Gloriosa和Kelvedon Wonder) 的影响.
主要方法:
- 在2017年,2018年和2019年收获的豆种子 (Gloriosa和Kelvedon Wonder) 在各种温度 (4°C,8°C,22°C) 和湿度 (8%,12%,65%) 的组合下存储.
- 对储存的种子进行了形态,生理和化学分析.
- 使用统计方法,包括Tukey的测试,来分析数据.
主要成果:
- 在发芽,活力和营养含量 (脂质,纤维,矿物质) 方面,在4°C和8%湿度下存储8个月的种子中观察到最好的结果.
- 延长的储存时间会对发芽和苗木生长产生负面影响 (低球体和根茎长度).
- 虽然温度和湿度显著影响了脂质含量和发芽,但普通农民的储存条件 (22°C,65%湿度) 对大多数营养特征的影响很小,但随着时间的推移,降低了种子的生命力.
结论:
- 在低温 (4°C) 和湿度 (8%) 的短期储存 (8个月) 是保持豆种子质量的最佳选择.
- 农民的典型储存条件可能会损害种子的发芽和活力,特别是长期储存.
- 了解储存时间,温度和湿度的相互作用对于豆类作物的有效种子管理至关重要.
相关概念视频
02:33Seed Structure and Early Development of the Sporophyte
27.8K
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.
27.8K
02:45Responses to Heat and Cold Stress
13.4K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
13.4K
01:02Sample Handling
88
Transportation of samples from the collection point to the laboratory, as well as storage and preservation techniques, are crucial for maintaining sample integrity and ensuring accurate and reliable test results.
Samples should be transported carefully from collection points to the laboratory. They should be properly sealed and clearly labeled to prevent cross-contamination. To preserve the sample integrity, optimal temperature conditions during transport are essential. This could involve using...
Samples should be transported carefully from collection points to the laboratory. They should be properly sealed and clearly labeled to prevent cross-contamination. To preserve the sample integrity, optimal temperature conditions during transport are essential. This could involve using...
88