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Dormancy break, sprouting and later tuber reproduction in response to different tuber sizes of tiger nut (Cyperus esculentus L.)

文献类型： 外文期刊

作者： Liu, Binshuo 1 ; Li, Hanbo 1 ; Chen, Wei 1 ; Wang, Ying 2 ; Chen, Yubo 3 ; Wei, Xiaowei 4 ;

作者机构： 1.Jilin Jianzhu Univ, Changchun 130118, Peoples R China

2.Jilin Jianzhu Univ, Key Lab Comprehens Energy Saving Cold Reg Architec, Minist Educ, Changchun 130118, Peoples R China

3.Jilin Acad Agr Sci, Inst Pomol, Gongzhuling 136100, Peoples R China

4.Jilin Normal Univ, Jilin Prov Key Lab Plant Resources Sci & Green Pro, Siping 136000, Peoples R China

关键词： tuber; dormancy; sprout; later reproduction

期刊名称：ROYAL SOCIETY OPEN SCIENCE （ 影响因子：3.5； 五年影响因子：3.5 ）

ISSN： 2054-5703

年卷期： 2024 年 11 卷 2 期

页码：

收录情况： SCI

摘要： Dormancy release pattern, sprout growth and later reproduction were studied among various tuber sizes of Cyperus esculentus to determine effective methods to release dormancy and further to select suitable tuber size of this species in production. The results showed that medium tubers performed better during sprouting than large and small tubers under all pre-sprouting treatments. Pre-sprouting treatments at 25 degrees C, 35 degrees C, RT (room temperature) and -2 degrees C were effective in relieving dormancy in medium tubers. Tiller number from medium tubers were significantly higher under 25 degrees C, RT and 45 degrees C than under 35 degrees C and -2 degrees C. Shoot and root mass from medium tubers were significantly higher under the 25 degrees C, 35 degrees C and RT than under other treatments. Tiller and tuber numbers both decreased with decreasing tuber size, as did tuber yield after three months of growth. Furthermore, leftover mass decreased with decreasing tuber mass and remained unchanged at sprouting and maturity periods. A significantly negative allometric correlation was found between plant mass and tuber mass from small tubers. However, a significantly positive allometric correlation was found between tuber size and tuber number from large tubers. In conclusion, medium tubers had a competitive advantage in sprouting, growth and reproduction.

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