Effect of rhizobial nod factors (lipo­chitooligosaccharide) on seedling growth of blackgram under salt stress

DOI: 10.18805/LR-3597    | Article Id: LR-3597     | Page : 159-162  
Citation :- Effect of rhizobial nod factors (lipo­chitooligosaccharide) on seedling growth of blackgram under salt stress.Legume Research-An International Journal.2018.(41):159-162

D. Udhaya Nandhini, E. Somasundaram and M. Mohamed Amanullah

D. Udhaya Nandhini, E. Somasundaram and M. Mohamed Amanullah udhaya.jeni@gmail.com
Address : Department of Sustainable Organic Agriculture, Tamil Nadu Agricultural University, Coimbatore-641 003, Tamil Nadu, India.
Submitted Date : 27-08-2015
Accepted Date : 13-09-2017

Abstract

A study was carried out to examine the performance of blackgram seedlings under varying levels of salinity and to ascertain the remedial effect of lipo chitooligosaccharide (LCO) against salinity stress. Higher germination percentage, root and shoot length, vigour index and salt tolerance index and lower phytotoxicity of roots and shoots (0) were observed in control (no salinity) treatment irrespective of priming. Salinity negatively influenced the seedling growth and as the salinity increased the seedling growth characters were drastically reduced. The nod factor treated blackgram seedlings had relatively higher germination percentage , root and shoot length, vigour index and salt tolerance index and lower phytotoxicity of roots and shoots. Seed priming with nod factor was found to have significant effect on eliminating the effects of salinity.

Keywords

Lipo chitooligosaccharide Nod factors Phytotoxicity Priming Salt tolerance index Salinity.

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