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Indian Journal of Pure & Applied Biosciences (IJPAB)
Year : 2019, Volume : 7, Issue : 6
First page : (301) Last page : (306)
Article doi: : http://dx.doi.org/10.18782/2582-2845.7808

Effect of Potassium and Sulphur Application on Growth Parameters of Indian Mustard (Brassica juncea L.) Genotypes at Vegetative Stage
under Water Deficit Conditions

Preeti^1*, Ajeev Kumar², Narender Singh¹ and Swati Priya Jha^1
1Department of Botany, Kurukshetra University Kurukushetra,
²Department of Botany and Plant Physiology, CCSHAU, Hisar
*Corresponding Author E-mail: preetirani307@gmail.com
Received: 7.09.2019  |  Revised: 12.10.2019   |  Accepted: 19.10.2019  

 ABSTRACT

The experiment was conducted with two genotypes of Indian mustard (Brassica juncea L ) viz RH 725 and RH 749 to study the effect of potassium and sulphur at vegetative stages under water deficit conditions in randomized block design during rabi season of 2018-  2019 at nursery of  Kurukshetra University , Kurukshetra ( Haryana). The main plots were treated with potassium and sulphur at different concentrations of potassium (control) K1=10 kg/acre, K2=20 kg/acre, K3= 30 kg/acre and K2S= ( 20+60 kg/acre)  to study various growth parameters including Leaf area index ( LAI ), Leaf area duration ( LAD ), crop growth rate (CGR), relative growth rate (RGR), and net assimilation rate (NAR). Growth and development parameters were computed and experimental results showed that combine treatment of potassium and sulphur were pragmatic in improving Brassica performance.  Maximum LAI ( 0.37)  , LAD ( 5.62 days) CGR (0.86 g m-2 d-1), RGR ( 0.05 mg g-1day-1) and  NAR (0.319 g m-2 d-1)  noted in plots where sulphur was applied along with increased level potassium  while least LAI (0.14) , LAD (2.15 days), CGR (0.024 g m-2 d-1), RGR ( 0.03 mg g-1day-1) and NAR (0.003 g m-2 d-1) was in control treatment. Overall performance of genotype RH-749 was comparatively higher in all fertilizer treatment as compared to RH- 725 genotype.

Keywords: Mustard, Growth, Vegetative stage, LAI, Drought

Full Text : PDF; Journal doi : http://dx.doi.org/10.18782

Cite this article: Preeti, Kumar, A., Singh, N., & Jha, S.P. (2019). Effect of Potassium and Sulphur Application on Growth Parameters of Indian Mustard (Brassica juncea L.) Genotypes at Vegetative Stage under Water Deficit Conditions, Ind. J. Pure App. Biosci. 7(6), 301-306. doi: http://dx.doi.org/10.18782/2582-2845.7808