Cutting Frequency Affects Growth, Development Character and Storage Substance Accumulations in Root of Allium mongolicum Regel

doi:10.11733/j.issn.1007-0435.2012.03.018

Acta Agrestia Sinica ›› 2012, Vol. 20 ›› Issue (3): 497-504.DOI: 10.11733/j.issn.1007-0435.2012.03.018

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Cutting Frequency Affects Growth, Development Character and Storage Substance Accumulations in Root of Allium mongolicum Regel

MIAO Chun-le, YANG Zhong-ren, HAO Li-zhen, ZHANG Feng-lan, PANG Jie, SUN Xia

Agricultural College, Inner Mongolia Agricultural University; Inner Mongolia Key Laboratory of Germplasm and Germplasm Enhancement of Wild and Special Vegetable, Hohhot, Inner Mongolia 010019, China

Received:2011-10-25 Revised:2012-03-31 Online:2012-06-15 Published:2012-07-05

刈割次数对沙葱生长发育特性及根部贮藏物质积累的影响

苗春乐, 杨忠仁, 郝丽珍, 张凤兰, 庞杰, 孙霞

内蒙古农业大学农学院内蒙古自治区野生特有蔬菜种质资源与种质创新重点实验室, 内蒙古呼和浩特 010019

通讯作者: 郝丽珍,E-mail:haolizhen_1960@163.com
作者简介:苗春乐(1981- ),男,内蒙古呼和浩特人,硕士,研究方向为蔬菜种质资源与生理生态,E-mail: miaochunle2005@126.com
基金资助:
公益性行业(农业)科研专项经费资助(201203004);国家自然科学基金(30660110);教育部科学技术研究重点项目(206027);内蒙古自然科学基金(2010MS0301)资助

Abstract

Abstract: Effects of cutting frequency on growth, development character and storage substance accumulation in roots of cultured Allium mongolicum Regel were studied. Results showed that fresh weight, dry weight of leaf and root, root length and number, tiller number and bulblet diameter all decreased (P<0.05), whereas protein content of root increased (P<0.01) with cutting frequency increasing. Soluble sugar initially increased then decreased, whereas starch initially decreased then increased with cutting frequency increasing. Bolting ratio and number of treatments for one-time cuttings were significantly higher than other treatments (P<0.01) but had no significant difference compared with control. The annual and biennial total outputs were 3192 kg·hm^-2 and 22266 kg·hm^-2, respectively. The annual output of all tested treatments decreased when cutting frequency increasing.

Key words: Allium mongolicum Regel, Cutting frequency, Growth character, Storage substance

摘要： 以沙葱(Allium mongolicum Regel)为试材,通过研究人工播种后刈割次数对其生长发育特性及根部贮藏物质积累及产量的影响,为沙葱适宜刈割次数及适宜刈割时期的确定提供理论依据及实践指导。结果表明:随着刈割次数的增加,沙葱叶鲜重、干重及根鲜重、干重呈降低趋势(P<0.05);其地下部根长、根数、分蘖数及鳞茎直径也有不同程度的降低趋势(P<0.05);但根系中蛋白质呈增加趋势(P<0.01),可溶性糖含量呈先升高后降低的趋势,淀粉含量则先降低后逐渐升高;刈割1次的第2年抽薹率和抽薹数显著高于其他处理(P<0.01),但与对照差异不显著。沙葱当年和第2年的总产量均以年内刈割3次(处理Ⅲ)最大,分别为3192 kg·hm^-2和22266 kg·hm^-2,各处理单茬产量则随刈割次数的增加而降低。

关键词: 沙葱, 刈割次数, 生长特性, 贮藏物质

CLC Number:

S633.9

MIAO Chun-le, YANG Zhong-ren, HAO Li-zhen, ZHANG Feng-lan, PANG Jie, SUN Xia. Cutting Frequency Affects Growth, Development Character and Storage Substance Accumulations in Root of Allium mongolicum Regel[J]. Acta Agrestia Sinica, 2012, 20(3): 497-504.

苗春乐, 杨忠仁, 郝丽珍, 张凤兰, 庞杰, 孙霞. 刈割次数对沙葱生长发育特性及根部贮藏物质积累的影响[J]. 草地学报, 2012, 20(3): 497-504.

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Cutting Frequency Affects Growth, Development Character and Storage Substance Accumulations in Root of Allium mongolicum Regel

刈割次数对沙葱生长发育特性及根部贮藏物质积累的影响

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