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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.
Index Copernicus ICI Journals Master List 2015 - IJCMAS--ICV 2015: 85.95 For more details click here
National Academy of Agricultural Sciences (NAAS) : NAAS Score: *5.38 (2017) [Effective from January 1, 2017]For more details click here
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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 2015: 85.95
Index Copernicus ICI Journals Master List 2015 - IJCMAS--ICV 2015: 85.95
For more details click here
journals IJCMAS
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Original Research Articles

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 2015: 85.95
NAAS RATING 2017: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(4): 232-239
DOI: https://doi.org/10.20546/ijcmas.2017.604.027


The Biochemical Status of Robusta Coffee (Coffea canephora) Influenced by Organic and Integrated Nutrient Management Practices
S.B. Hareesh1*, Jayarama2, Maria Violet D’Souza2 and J. Keshavayya3
1Regional Coffee Research Station, Thandigudi, Dindigul District, Tamil Nadu – 624216, India
2Division of Agricultural Chemistry, Central Coffee Research Institute,Chikmagalur District – 577 117, Karnataka, India
 3Department of Chemistry, Kuvempu University, Shankarghatta,Shimoga District – 577 451, Karnataka, India
*Corresponding author
Abstract:

In India, among different cultivars of robusta coffee, S.274 has become more popular due to its wide adaptability and its bold beans character. The current field experiment was conducted to know the effect of organics and INM method of nutrition, shade pattern and irrigation schedule on the leaf carbohydrate status and yield of genotype S.274. The carbohydrate economy of the plant is usually regarded as an integrated system of sources and sinks. Present experiment shows that, both organic and INM methods of nutrition had a significant effect on leaf carbohydrates and product. In general, the carbohydrate and starch concentration remain higher (9.5 and 5.0 %, respectively) in INM mode compared to that of exclusive organics (9.1 and 4.7%, respectively). Similarly the optimum shade condition, leaf carbohydrates significantly higher in both INM and organic treatments (9.8 and 9.6%) compared to thick shade (9.2 and 8.6%). The winter irrigation resulted in significantly higher leaf carbohydrate (11.1 and 10.3%) accumulation compared to the leaves under blossom and backing irrigation (7.9%). The average bean yield over two years under different treatments remained higher (1230 kg ha-1) in INM mode of nutrition compared to that of exclusive organics (1101 kg ha-1). It may be due to higher carbohydrates status in the INM method. Since reserve carbohydrate could be utilized by the plants for development coffee beans during fruit filling stage besides supporting fresh vegetative sprouts meant for bearing in the subsequent season.


Keywords: Carbohydrate reserves, Integrated nutrition, Irrigation, Robusta coffee, Shade and yield.
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How to cite this article:

Hareesh, S.B., Jayarama, Maria Violet D Souza and Keshavayya, J. 2017. The Biochemical Status of Robusta coffee (Coffea canephora) Influenced by Organic and Integrated Nutrient Management Practices.Int.J.Curr.Microbiol.App.Sci. 6(4): 232-239. doi: https://doi.org/10.20546/ijcmas.2017.604.027