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International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2019, Volume : 7, Issue : 3
First page : (149) Last page : (155)
Article doi: :

Evaluation of Paddy (Oryza sativa L.) Varieties for Salt Tolerance in Saline Vertisols of Tungabhadra Project Command Area

Santosh*, Vishwanath, J., Anand, S. R., Veeresh, H. and Balanagoudar, S. R.

Department of Soil Science and Agricultural Chemistry
College of Agriculture, University of Agricultural Sciences, Raichur - 584104
*Corresponding Author E-mail:
Received: 10.03.2019  |  Revised: 13.04.2019   |  Accepted: 22.04.2019  



A field experiment was conducted at Agricultural Research Station, Gangavathi during Kharif, 2016 on “Evaluation of paddy varieties for salt tolerance and their response to nitrogen application in saline vertisols of TBP command area”. The main-plot consisted of nitrogen levels (100% RDN, 125% RDN and 150% RDN) and sub-plot with paddy varieties (BPT-5204, GGV-05-01, CSR-22, CSR-23, CSR-27 and CSR-36). Plant height as expected showed increasing trend across the physiological stages and at harvest. Among N levels, N3 (150% RDN) had significantly higher plant height and number of tillers per hill compared to N1 and N2. The variety CSR-23 recorded significantly higher plant height whereas GGV-05-01 recorded significantly higher number of tillers per hill compared to other varieties.
Yield attributes of paddy viz., number of panicles per m2, panicle length, panicle weight, filled grains per panicles and test weight, were significantly higher in N3, compared to N1 and N2. Accordingly, the grain yield increase in N3 (5490 kg ha-1) was 11.90% and 6.27% higher than N1 (100% RDN) and N2 (125% RDN) respectively. Similarly, the straw yield was higher in N3 (150% RDN) compared to N1 and N2. The variety V5 (GGV-05-01) was significantly superior in terms of number of panicles m-2, panicle weight, number of filled grains per panicle and grain filling percentage over other varieties. Accordingly GGV-05-01 recorded significantly higher grain yield (5684 kg ha-1) compared to CSR-23 (5036 kg ha-1), BPT-5204  (4285 kg ha-1) and CSR-27 (5228 kg ha-1) but was on par with CSR-36 (5504 kg ha-1) and CSR-22 (5393 kg ha-1), respectively. Similarly, GGV-05-01 also recorded significantly higher straw yield (7052 kg ha-1) compared to rest of the varieties except CSR-36 and CSR-22.

Key words: Grain yield, Nitrogen levels, Salinity, Straw yield, Varieties.

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Cite this article: Santosh, Vishwanath, J., Anand, S.R., Veeresh, H. and Balanagoudar, S.R., Evaluation of Paddy (Oryza sativa l.) Varieties for Salt Tolerance in Saline Vertisols of Tungabhadra Project Command Area, Int. J. Pure App. Biosci.7(3): 149-155 (2019). doi: