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Abstract : |
A pot experiment was conducted at National Agricultural Research Center (NARC), Islamabad to study the effect of potash on internal leaf tissues of selected cotton varieties namely CIM443 CIM109, CIM446. Results of micro-morphological studies of cotton leaves showed that epidermal and mesophyll cells of leaves were more turgid, uniform, occupied more surface area, symmetrical and structurally improved with the addition of potash. Microscopic examination of thin cross sections of cotton leaves showed that there were a large number of starch grains present in cotton leaves without Potassium. The number of starch grains in leaves decreased with increasing K2O levels in the leaves of K treated cotton plants. The thickness of epidermal region (cuticle plus epidermis) was also increased significantly with the application of potash. The cotton leaf thickness was significantly increased with increasing K levels in all cotton varieties. , A pot experiment was conducted at National Agricultural Research Center (NARC), Islamabad to study the effect of potash on internal leaf tissues of selected cotton varieties namely CIM443 CIM109, CIM446. Results of micro-morphological studies of cotton leaves showed that epidermal and mesophyll cells of leaves were more turgid, uniform, occupied more surface area, symmetrical and structurally improved with the addition of potash. Microscopic examination of thin cross sections of cotton leaves showed that there were a large number of starch grains present in cotton leaves without Potassium. The number of starch grains in leaves decreased with increasing K2O levels in the leaves of K treated cotton plants. The thickness of epidermal region (cuticle plus epidermis) was also increased significantly with the application of potash. The cotton leaf thickness was significantly increased with increasing K levels in all cotton varieties., |
