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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(11): 4109-4113
DOI: https://doi.org/10.20546/ijcmas.2017.611.481


Effect of Different Levels of Phosphorus (P2O5) and Potash (K2O) Applications on Rice Sheath blight (Thanatephorus cucumeris) under Temperate Conditions of Kashmir, India
Mohammad Najeeb Mughal1*, Mushtaq Ahmed1, Sabiya Bashir2, M. A. Ganai1,Z. A. Lone1, Imran Bashir1, Mudasir Hassan1, Seerat un Nissa1, Rayees A. Wani1, Jahangir A. Baba1 and Shafeeq A. Hakeem1
1Division of Plant Pathology, Faculty of Agriculture Sher-e- Kashmir University of Agricultural Sciences and Technology of Kashmir, Wadura-193201, Maharashtra, India
2DARS, SKUAST-K, Rangrath-190001, J&K, India
*Corresponding author
Abstract:

Fertilizer doses phosphorus (P2O5) and potash (K2O) are known to influence the rice sheath blight disease. Two years of experimentation at Mountain Research Centre for Field Crops, conclusively proved that irrespective of K2O levels, increase in P2O5 from 40 to 80 kg ha-1, increases the disease incidence from 38.50 to 44.00 per cent, disease intensity from 16.93 to 18.60 per cent and decreases the yield from 4.95 to 4.75 t ha-1 while irrespective P2O5 levels, increase in K2O level from 20 to 40 kg ha-1 decreases the disease incidence from 38.50 to 29.25 per cent, disease intensity from 16.93 to 11.60 per cent and increases the grain yield from 4.95 to 5.25 t ha-1. The highest disease incidence (44.00%) and intensity (18.60%) was recorded at P3K1 (P2O5=80 kg ha-1 and K2O=20 kg ha-1) with a lowest grain yield of 4.75 t ha-1 while lowest disease incidence (29.25%) and intensity (11.60%) was recorded at P1K3 (P2O5=80 kg ha-1 and K2O=60 kg ha-1) with the highest grain yield of 5.25 t ha-1.The recommended doses of P2O5 and K2O (P2K2) resulted in 36.50 per cent disease incidence while disease intensity and yield were 15.20 per cent and 4.95 t ha-1, respectively.


Keywords: Fertilizers, Phosphorus (P2O5), Potash (K2O), Rice, Sheath blight, Thanatephorus cucumeris.
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How to cite this article:

Mohammad Najeeb Mughal, Mushtaq Ahmed, Sabiya Bashir, M.A. Ganai, Z.A. Lone, Imran Bashir, Mudasir Hassan, Seerat un Nissa, Rayees A. Wani, Jahangir A. Baba and Shafeeq A. Hakeem. 2017. Effect of Different Levels of Phosphorus (P2O5) and Potash (K2O) Applications on Rice Sheath Blight (Thanatephorus cucumeris) under Temperate Conditions of Kashmir, India.Int.J.Curr.Microbiol.App.Sci. 6(11): 4109-4113. doi: https://doi.org/10.20546/ijcmas.2017.611.481