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RESPONSE OF SOIL AND FOLIAR APPLICATION OF ZINC, IRON AND BORON ON BIO PHYSICAL PARAMETERS AND CHLOROPHYLL CONTENT OF SAPOTA
G. THIRUPATHAIAH, A.M. SHIROL, B. BHASKAR RAO, J. SRIKANTH

Published in: International Journal of Agriculture Sciences
Volume- 9, Issue-9, pp.3920-3924, Feb 2017
DPI :-> 16.10077.IJAS.2017.V9I9.39203924.1102



Abstract
The present study was carried out to know the effect of soil and foliar application of micro nutrients on bio physical, bio chemical parameters of sapota cv. Kalipatti. Zinc and iron sulphates are used for soil and foliar application, boron for soil application sodium tetraborate (Jai bore) and for the foliar application solubor were used. The results found that in T10 (0.5% ZnSO4 + 0.5% FeSO4 + 0.3% B foliar application) increased photosynthetic rate (14.57 mol CO2 m-1s-1), transpiration rate (9.24 mmol H2O m-2 S-1) sub stomatal CO2 (232.94 ppm) leaf temperature (42.77 ï‚°C), total chl (2.79 mg/g) and chl a/b (6.15). But in T11 [50 g ZnSO4 + 40g FeSO4 + 25g B soil and 0.5% ZnSO4 + 0.5% FeSO4 + 0.3% B foliar application shown reduced photosynthetic rate (11.7 mol CO2 m-1s-1) , transpiration rate (4.32 mmol H2O m-2 S-1), sub stomatal CO2 (215 ppm), leaf temperature (36.46 ï‚°C), total chl (1.67 mg/g and chl a/b (3.77) due to excess micronutrients.

Key-Words / Index Term
Micronutrients, Sapota, and High Density Planting

How to cite this article
G. THIRUPATHAIAH, A.M. SHIROL, B. BHASKAR RAO, J. SRIKANTH , “RESPONSE OF SOIL AND FOLIAR APPLICATION OF ZINC, IRON AND BORON ON BIO PHYSICAL PARAMETERS AND CHLOROPHYLL CONTENT OF SAPOTA”, International Journal of Agriculture Sciences, 9, Issue-9, pp.3920-3924, Feb 2017. DPI:16.10077.IJAS.V9.I9.1102