Arid
Effect of physical and chemical scarification and ageing on hardseededness in Clitoria ternatea
Nagar, R. P.; Meena, S. S.
通讯作者Nagar, R. P.
来源期刊RANGE MANAGEMENT AND AGROFORESTRY
ISSN0971-2070
出版年2015
卷号36期号:1页码:79-83
英文摘要

Clitoria ternatea is an important range legume for nutritional improvement of rangelands under semi-arid regions. It is perennial and hardy in nature which can survive well under semi-arid conditions on low fertile, sandy soil with limited soil moisture. The dry matter production potential is ranging from 2-3 t/ha with high protein content of 18-20% and digestibility of about 80 per cent. Due to presence of hard seed the field emergence of fresh seed of C. tematea is less and/or delayed, resulting in poor field establishment. Fresh seed (<3 month age) of C. ternatea was exposed for different pre-treatments: physical and chemical scarifications viz. nicking (making cut on seed coat), rubbing between sand paper, soaking in H2SO4 for 5-20 min., soaking in hot water (80 C) for 5-20 min. and in boiling water for 5 min. for evaluation of their effect on removal of hardseededness. For study of effect of ageing on level of hardseededness fresh seed, one, two, three and four year old seed were evaluated for germination. The findings revealed that highest germination (90%) was achieved by nicking followed by sand paper scarification which increased germination up to 70.5% against control (6.5%). Scarification with conc. H2SO4 for 10 min. was at par with sand paper scarification but proportion of abnormal seedlings was increased by 3.3%. Highest normal seedlings (70.5%) were observed in two year old seed against fresh seed (6.5%). The proportion of hard seed decreased up to 8% in four years old seed but on the other hand normal seedlings also reduced up to 56.3 per cent.


英文关键词Germination Hardseededness Pretreatment Range legume Seed coat
类型Article
语种英语
国家India
收录类别SCI-E
WOS记录号WOS:000369772600014
WOS关键词GERMINATION
WOS类目Agronomy
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/190106
作者单位Indian Grassland & Fodder Res Inst, ICAR, Western Reg Res Stn, Avikanagar 304501, India
推荐引用方式
GB/T 7714
Nagar, R. P.,Meena, S. S.. Effect of physical and chemical scarification and ageing on hardseededness in Clitoria ternatea[J],2015,36(1):79-83.
APA Nagar, R. P.,&Meena, S. S..(2015).Effect of physical and chemical scarification and ageing on hardseededness in Clitoria ternatea.RANGE MANAGEMENT AND AGROFORESTRY,36(1),79-83.
MLA Nagar, R. P.,et al."Effect of physical and chemical scarification and ageing on hardseededness in Clitoria ternatea".RANGE MANAGEMENT AND AGROFORESTRY 36.1(2015):79-83.
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