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RESPONSE OF RELATIVE LEAF WATER CONTENT, CHLOROPHYLL STABILITY INDEX, PROLINE, AND YIELD OF COTTON TO THE APPLICATION OF BIOCHAR, MULCH AND PPFM SPRAY
V. KANNAN, G. SRINIVASAN, R. BABU, S. THIYAGESWARI, T. SIVAKUMAR

Published in: International Journal of Agriculture Sciences
Volume- 9, Issue-45, pp.4753-4756, Sep 2017
DPI :-> 16.10077.IJAS.2017.V9I45.47534756.2034



Abstract
A Field experiment was conducted at Agricultural College and Research Institute, Madurai during Winter Irrigated Cotton Season of 2016-17 with the test variety SVPR − 4. To study the effect of moisture regimes on physiological parameters of Relative Leaf Water Content (RLWC), Chlorophyll Stability Index (CSI), Proline 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- Prosopis biochar @ 5 t ha-1, B5- Prosopis biochar @ 5 t ha-1 + Crop residue mulch @ 5 t ha-1, B6 - Prosopis 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, CSI of Cotton were recorded higher and lower values of Proline were recorded under irrigation at IW/CPE to 0.8 (I2) and Prosopis 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 treatments registered for higher values of crop yield.

Key-Words / Index Term
Moisture Stress, Chlorophyll stability index, Biochar, Cotton

How to cite this article
V. KANNAN, G. SRINIVASAN, R. BABU, S. THIYAGESWARI, T. SIVAKUMAR , “RESPONSE OF RELATIVE LEAF WATER CONTENT, CHLOROPHYLL STABILITY INDEX, PROLINE, AND YIELD OF COTTON TO THE APPLICATION OF BIOCHAR, MULCH AND PPFM SPRAY”, International Journal of Agriculture Sciences, 9, Issue-45, pp.4753-4756, Sep 2017. DPI:16.10077.IJAS.V9.I45.2034