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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
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
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(11): 3764-3772
DOI: https://doi.org/10.20546/ijcmas.2017.611.441


Leaf Reddening Enigma in Bt Cotton: A Review
Vinayak Hosamani1*, B.M. Chittapur1, Venkatesh Hosamani2 and Rajanand Hiremath3
1University of Agricultural Sciences, Raichur, Karnataka, India
2College of Horticulture, Munirabad-Koppal, Karnataka, India
3College of Horticulture, Kerala Agriculture University, Thrissur, Kerala, India
*Corresponding author
Abstract:

The maximum yield potential of Bt cotton is yet to be trapped under irrigated conditions which is low for various reasons. Among the different constraints in cotton major reduction in yield is due to leaf reddening which results in 30-60% of yield loss. Leaf reddening in cotton is also known as red leaf disease (lal patti). This disorder is an outcome of interaction of location, variety, environmental condition and nitrogen, potassium, magnesium etc. supply. In general, some of the hirsutum varieties and a few inter and intra specific tetraploid hybrids are sensitive and vulnerable to this malady. Appearance of red leaf symptom is primarily, due to the accumulation of anthocyanin pigment. Identification of suitable reasons and management of leaf reddening to increase the productivity in cotton is the key for crop potential and hence, the review.


Keywords: Bt cultivars, Time of sowing, Transplanting, Nutrition, Target yield approach.
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How to cite this article:

Vinayak Hosamani, B.M. Chittapur, Venkatesh Hosamani and Rajanand Hiremath. 2017. Leaf Reddening Enigma in Bt Cotton: A review.Int.J.Curr.Microbiol.App.Sci. 6(11): 3764-3772. doi: https://doi.org/10.20546/ijcmas.2017.611.441