密封地储存花种子,在不断变化的环境下保持种子的长寿
Muhammad Amir Bakhtavar1, Irfan Afzal2, Ehsan Khalid2
1Institute of Plant Breeding and Biotechnology, Muhammad Nawaz Shareef University of Agriculture, Multan, Pakistan.
PloS one
|June 15, 2023
概括
在低水分含量 (8-10%) 的密封袋中储存种子,可以保持种子的生命力和质量. 这种方法优于传统的储存,尤其是在环境条件下,以保持种子的寿命.
科学领域:
- 农业科学 农业科学
- 种子生理学 种子生理学
- 收获后技术 收获后技术
背景情况:
- 在变化的储存条件下,由于种子含水量 (SMC) 高,种子的质量会迅速下降.
- 有效的种子储存对于保持作物生产率和遗传资源至关重要.
研究的目的:
- 评估与传统袋子相比,密封储存袋的有效性,以保护木种子的质量.
- 为了确定在环境条件下长期储存花种子的最佳种子水分含量.
主要方法:
- 冲种子被平衡到8,10,12和14%的SMC.
- 在环境条件下,种子在密封的超级袋和传统袋 (纸,布,聚烯,果汁) 中储存了12个月.
- 分析了发芽,活力,生化标志物 (α-氨酶,可溶糖,电导率,MDA) 和水分吸附异温物.
主要成果:
- 与传统储存相比,在8%和10%的SMC密封储存中保持了更高的发芽和种子质量.
- 生物化学恶化指标 (较低的α-氨酶,可溶糖;较高的电导率,MDA) 在低SMC的密封储存中不那么明显.
- 密封储存中的高SMC (14%) 对种子质量产生了负面影响,而传统袋子在高相对湿度下显示出显著的湿度增加.
结论:
- 密封袋在保持低种子含水量和高种子质量方面是有效的.
- 在密封袋中以8%和10%的SMC储存种子,在环境储存条件下显著提高了种子的寿命.
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