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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
Publisher : Excellent Publishers
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(6): 604-611
DOI: https://doi.org/10.20546/ijcmas.2017.606.071


Effect of Biochar, Mulch and Ppfm Spray on Leaf Relative Water Content, Leaf Proline, Chlorophyll Stability Index and Yield of Cotton under Moisture Stress Condition
V. Kannan1*, G. Srinivasan4, R. Babu2, S. Thiyageshwari3 and T. Sivakumar5
1Department of Agronomy, 2Department of Farm Management,
3Department of Soils and Environment, AC & RI, Madurai, Tamil Nadu, India
4Department of Agronomy, ADAC & RI, Trichy, Tamil Nadu, India
5Department of Crop Physiology, TNAU, Coimbatore, Tamil Nadu, India
*Corresponding author
Abstract:

Water deficit is one of the major abiotic stresses which adversely affect the crop growth and yield. Moisture stress induce the metabolic functions, such as reduced synthesis of photosynthetic pigments, accumulation of osmoprotectants like proline, decline in the Chlorophyll stability and alterations in physiological parameters. The Field experiment was conducted at Agricultural College and Research Institute, Madurai during summer season 2016 with the variety of SVPR - 4. To study the effect of moisture stress regimes on physiological parameters of Relative Leaf Water Content (RLWC), Chlorophyll Stability Index (CSI), Proline accumulation in leaf and Seed cotton yield. Experiment was laid out in split plot design with three replications. Moisture regimes were assigned to the main plots viz., Irrigation at IW/CPE ratio to 0.4 (I1) and 0.8 (I2). The subplot comprises with moisture management practices with Biochar application viz., B1-Cotton stalk biochar @ 5 t ha-1, B2-Cotton stalk biochar @ 5 t ha-1 + Crop residue mulch @ 5 t ha-1, B3-Cotton stalk biochar @ 5 t ha-1 + Crop residue mulch @ 5 t ha-1+ PPFM @ 500 ml ha-1 on 75 and 90 DAS, B4- Prosophis biochar @ 5 t ha-1, B5- Prosophis biochar @ 5 t ha-1 + Crop residue mulch @ 5 t ha-1, B6 - Prosophis biochar @ 5 t ha-1+ Crop residue mulch @ 5 t ha-1 + PPFM @ 500 ml ha-1 on 75 and 90 DAS and B7 – Control. The results of this study showed that RLWC and CSI of cotton were recorded higher and lower for Leaf accumulated Proline under irrigation at IW/CPE to 0.8 (I2) and Prosophis biochar @ 5 t ha-1+ Crop residue mulch @ 5 t ha-1 + PPFM @ 500 ml ha-1 on 75 and 90 DAS (B6). The same registered for higher values of crop yield.


Keywords: Moisture, Chlorophyll, Stress, Cotton.
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How to cite this article:

Kannan, V., G. Srinivasan, R. Babu, S. Thiyageshwari and Sivakumar, T. 2017. Effect of Biochar, Mulch and Ppfm Spray on Leaf Relative Water Content, Leaf Proline, Chlorophyll Stability Index and Yield of Cotton under Moisture Stress Condition.Int.J.Curr.Microbiol.App.Sci. 6(6): 604-611. doi: https://doi.org/10.20546/ijcmas.2017.606.071