PERFORMANCE OF SOME BLACKGRAM GENOTYPES IN RELATION TO PHYSIO-CHEMICAL, ROOT PARAMETERS AND YIELD AS INFLUENCE BY FOLIAR FEEDING WITH BORON

Article Id: LR-2984 | Page : 505-510
Citation :- PERFORMANCE OF SOME BLACKGRAM GENOTYPES IN RELATION TO PHYSIO-CHEMICAL, ROOT PARAMETERS AND YIELD AS INFLUENCE BY FOLIAR FEEDING WITH BORON.Legume Research-An International Journal.2013.(36):505-510
Lolesh Pegu, Prakash Kalita, Kaushik Das, S. Alam, H. P. Dekabarua* and Priti Bandana Konwar
Address : College of Agriculture, Assam Agricultural University, Jorhat-785013, India

Abstract

A field study was carried out during summer season (2011) with the objective to assess the physio-chemical and root parameters of seven blackgram genotypes under rainfed situation as influence by foliar feeding with boron. There were three treatment combinations comprising of control (T1), foliar application of 100 ppm boron at 20 DAS (T2) and foliar application of 100 ppm boron at 20 and 35 DAS (T3). Significant variations in root parameters, physiological and biochemical parameters were recorded in all the genotypes. Genotype USJD-113 followed by SB-121-36 was recorded to be the best genotypes in terms of physiological parameters like photosynthetic rate, chlorophyll contents, leaf nitrogen content and root characters. Foliar application of boron caused significant alteration in root parameters, physiological and biochemical parameters of all the genotypes. The treatment T3 was found to be more effective in enhancing all the parameters as compared to T2. Genotypes USJD-113 and SB-121-36 were found to be more responsive towards foliar application of boron.

Keywords

Blackgram Boron application Nodulation Photosynthesis Root characters Yield.

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