Arid
DOI10.1016/j.plantsci.2018.09.007
Greater emergence force and hypocotyl cross sectional area may improve wheat seedling emergence in sodic conditions
Anzooman, Monia1; Dang, Yash P.1; Christopher, Jack2; Mumford, Michael H.3; Menzies, Neal W.1; Kopittke, Peter M.1
通讯作者Anzooman, Monia
来源期刊PLANT SCIENCE
ISSN0168-9452
出版年2018
卷号277页码:188-195
英文摘要

Surface crusting of sodic soils is a major problem in the semi-arid tropics when rapid drying after sowing follows light showers, leading to reduced seedling emergence and grain yield. The magnitude of the force exerted by germinating seeds affects the ability of the seedlings to rupture the crust and emerge. This study aimed to determine whether the seed germination and seedling emergence force of wheat (Triticum aestivum L.) seedlings vary among different genotypes at different sodicity levels. Germination and emergence force of seedlings of four wheat genotypes was determined in assays using four solutions with sodium adsorption ratio (SAR) values ranging from 0 to 60. Seed germination and seedling emergence force varied between genotypes at different sodicity levels, with the emergence force of the coleoptile correlated to the cross sectional area of the hypocotyl. The results suggest that the selection of wheat genotypes with rapid germination, higher seedling emergence force and larger hypocotyl cross sectional area, offers a strategy to improve seedling emergence in crusted sodic soils.


英文关键词Seedling emergence Emergence force Surface crust Hypocotyl
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000451491600019
WOS关键词SOIL-CONDITIONS ; GROWTH ; CRUST
WOS类目Biochemistry & Molecular Biology ; Plant Sciences
WOS研究方向Biochemistry & Molecular Biology ; Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/212223
作者单位1.Univ Queensland, Sch Agr & Food Sci, St Lucia, Qld 4072, Australia;
2.Univ Queensland, Queensland Alliance Agr & Food Innovat, Leslie Res Facil, Toowoomba, Qld 4350, Australia;
3.Leslie Res Facil, Dept Agr & Fisheries, Toowoomba, Qld 4350, Australia
推荐引用方式
GB/T 7714
Anzooman, Monia,Dang, Yash P.,Christopher, Jack,et al. Greater emergence force and hypocotyl cross sectional area may improve wheat seedling emergence in sodic conditions[J],2018,277:188-195.
APA Anzooman, Monia,Dang, Yash P.,Christopher, Jack,Mumford, Michael H.,Menzies, Neal W.,&Kopittke, Peter M..(2018).Greater emergence force and hypocotyl cross sectional area may improve wheat seedling emergence in sodic conditions.PLANT SCIENCE,277,188-195.
MLA Anzooman, Monia,et al."Greater emergence force and hypocotyl cross sectional area may improve wheat seedling emergence in sodic conditions".PLANT SCIENCE 277(2018):188-195.
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