不同季节成熟柽柳饱满和干瘪种子的萌发特征

IF 1.7 4区农林科学 Q2 AGRONOMY

Seed Science and Technology Pub Date : 2022-01-01 DOI:10.15258/sst.2022.50.1.03

Ruiqi Zheng, Zhancang Ma, Li Jiang, Zhen-yong Zhao, Xiang Shi, Lei Wang

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引用次数: 1

摘要

柽柳花期和结果期为两季。虽然已经对毛毛柽柳种子的基本发芽特性进行了评价，但关于种子饱满度对发芽的影响还缺乏相关信息。研究了种子饱满度、成熟季节和光照条件对种子萌发的影响。在春天或夏天成熟的饱满的种子具有相似的大小和浆膜长度。饱满种子的大小明显大于干瘪种子。两种种子在夏季成熟时的发芽率均高于春季成熟时。饱满种子的发芽率显著高于干瘪种子，特别是春季成熟的种子。黑暗显著降低了夏季成熟种子的发芽率。本研究为柽柳种子萌发需求提供了全面的信息，研究结果可用于荒漠土地的恢复。

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Germination characteristics of plump and shriveled seeds of Tamarix ramosissima matured in different seasons

Tamarix ramosissima has bi-seasonal flowering and fruiting. Although the basic germination characteristics of T. ramosissima seeds have been evaluated, there is a lack of information about the effects of seed plumpness on germination. Effects of seed plumpness and season of maturity and light conditions on germination were tested. Plump seeds matured in spring or summer had similar size and pappus length. The size of plump seeds was significantly larger than that of shriveled seeds. Both types of seeds matured in summer germinated better than seeds matured in spring. Germination percentage of plump seeds was significant higher than that of shriveled seeds, especially for seeds matured in spring. Darkness significantly decreased the germination of seeds matured in summer. This study provides comprehensive information about the seed germination requirements of T. ramosissima and the results can be used in restoration of desert lands.

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来源期刊

Seed Science and Technology 农林科学-农艺学

CiteScore

3.00

自引率

28.60%

发文量

审稿时长

>36 weeks

期刊介绍： Seed Science and Technology (SST) is an international journal featuring original papers and articles on seed quality and physiology related to seed production, harvest, processing, sampling, storage, genetic conservation, habitat regeneration, distribution and testing. A journal that meets the needs of researchers, advisers and all those involved in the improvement and technical control of seed quality. Published every April, August and December.