Influence of Plant Growth Regulators and Nitrogen on Leaf Area Index, Specific Leaf Area, Specific Leaf Weight and Yield of Black Gram (Vigna mungo L.)  

K. Krishna    Surendar 1 , S. Vincent 1 , Mallika  Vanagamudi 2 , H.  Vijayaraghavan 1
1. Department of Crop Physiology, TNAU, Coimbatore-3, India;
2. Professor of Crop Physiology, Department of ACRC, TNAU, Coimbatore-3, India;
Author    Correspondence author
Plant Gene and Trait, 2013, Vol. 4, No. 7   doi: 10.5376/pgt.2013.04.0007
Received: 02 Apr., 2013    Accepted: 11 Apr., 2013    Published: 22 Jul., 2013
© 2013 BioPublisher Publishing Platform
This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:
Surendar et al., 2013, Influence of Plant Growth Regulators and Nitrogen on Leaf Area Index, Specific Leaf Area, Specific Leaf Weight and Yield of Black Gram (Vigna mungo L.) , Plant Gene and Trait, Vol.4, No.7 pp.37-42 (doi: 10.5376/pgt.2013.04.0007)
Abstract

The field experiment were undertaken to study the effect of nitrogen in combination with foliar spray of bioregulators and micronutrients on growth and productivity of CO5 black gram. Photosynthetic pigments and foliage soluble protein content were estimated at different phenological phases of black gram. Seed yield were assessed at the time of harvest. Significant increase in the LAI (Leaf Area Index) and SLW (Specific Leaf Weight) due to basal application of nitrogen 25 kg per hectare with foliar spray of urea 2% and 0.1 ppm brassinolide. The SLA (Specific Leaf Area) was also greatly altered by the basal application of nitrogen 25 kg per hectare with foliar spray of urea 2% and 0.1 ppm brassinolide treatment.

Keywords
Black gram; PGR; LAI; SLA; SLW; Nitrogen and yield
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