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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 (2017)
[Effective from January 1, 2017]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
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Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(11): 2822-2828
DOI: https://doi.org/10.20546/ijcmas.2018.711.325


Effect of Spacing and Periodical Staggered Nipping on Botrytis Disease Incidence and Quality of Castor (Ricinus communis L.)
K. Sunil Kumar1 and H.S. Shivaramu2
1UAS, Dharwad, Karnataka, India
2Department of Agrometeorology, UAS, Bengaluru, Karnataka, India
*Corresponding author
Abstract:

The field experiment was conducted during the kharif seasons of 2013 and 2015 at ZARS, University of Agricultural Sciences, Gandhi Krishi Vigyan Kendra, Bengaluru on red sandy clay loam soil to know the influence of periodical staggered nipping and spacing on Botrytis disease infestation and quality of castor. Nipping and different spacing’s in castor significantly influenced the disease incidence and castor oil yield. Periodical staggered nipping leaving one spike in each branch recorded lower Botrytis disease scoring (2.71) and chaffiness (6.43 %) as compared to non-nipping treatments. This treatment also recorded significantly higher oil content (44.34 %) and oil yield (7.75 q ha-1). Among the different spacing levels lower Botrytis disease scoring (3.17), chaffiness (11.61 %) and significantly higher oil content (44.29 %) were noticed with the spacing of 120 x 45 cm. Whereas, significantly higher oil yield was recorded in the spacing of 90 x 45 cm (6.91 q ha-1). Interaction effects between periodical staggered nipping and spacing were not significant.


Keywords: Castor, Spacing, Nipping, Botrytis
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How to cite this article:

How to cite this article: Sunil Kumar, K. and Shivaramu, H.S. 2018. Effect of Spacing and Periodical Staggered Nipping on Botrytis Disease Incidence and Quality of Castor (Ricinus communis L.). Int.J.Curr.Microbiol.App.Sci. 7(11): 2822-2828. doi: https://doi.org/10.20546/ijcmas.2018.711.325Int.J.Curr.Microbiol.App.Sci. 7(11): 2822-2828. doi: https://doi.org/10.20546/ijcmas.2018.711.325