| 龚家建1，杨小锋1，邢谷财2，林会山1.毛马齿苋种子休眠与萌芽特性研究[J].广东农业科学,2016,43(6):76-80 |
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毛马齿苋种子休眠与萌芽特性研究 |
| Research on dormancy and germinationcharacteristics of Portulaca pilosa seed |
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| DOI：10.16768/j.issn.1004-874X.2016.06.014 |
| 中文关键词: 毛马齿苋 种子 休眠 萌芽 |
| 英文关键词: Portulaca pilosa seed dormancy germination |
| 基金项目:海南省星火产业带项目（HNXH201504） |
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| 摘要点击次数: 1791 |
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| 中文摘要: |
| 为提高对毛马齿苋种子萌芽的认识，研究其种子休眠和萌芽的特性，为其育苗栽培奠定技术基
础。结果表明：毛马齿苋种子初生休眠期约25 d，室温存放30 d 可完全解除休眠；种子为严格需光发芽种子，
在弱光条件下不能萌芽，能被诱导进入休眠；解除休眠的种子比新采摘种子光敏性增强，萌芽高峰提前1 d；
种子萌芽喜好高湿环境，土壤水分越高，种子的发芽率和发芽势就越高。毛马齿苋育苗宜采用解除休眠的种
子，在光照条件下催芽2～3 d，播种于土表，采用透明塑料薄膜覆盖，严格保湿，保证光照，利于种子整齐
出苗。 |
| 英文摘要: |
| The paper studied the characteristics of dormancy and germination of Portulaca pilosa seed to
understand its seed and to lay technical foundation for its propagation. Results indicated that，the primary dormancy
period of seed was about 25 days，dormancy could be completely broken by stored at room temperature for 30 days.The
seed was positively photoblastic seed that coudn't sprout and can be induced into sleeping in low light conditions.The
dormancy broken seed was more sensitive to light，compared with the lately collected one，and the germination peak
arose 1 day earlier. P. pilosa seed favorited humid conditions，the higher the soil moisture，the higher the germination
rate and germination potential of the seed. In P. pilosa breeding，seeds with dormanly broken should be adopted，
firstly seeds were promoted germinating in light conditions for 2-3 days，sowed on the soil surface，and then they
were covered with transparent plastic film，keeping moisture and guaranteeing light conditions would be beneficial to
seed burgeon. |
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