CHANGES IN STOMATAL CONDUCTANCE AND TURGOR PRESSURE IN Gossypium hirsutum L. IN RESPONSE TO FOLIAR APPLICATION OF FOUR HERBICIDES | ||||
| Journal of Plant Production | ||||
| Article 12, Volume 2, Issue 1, January 2011, Page 151-155 PDF (195.94 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2011.85474 | ||||
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| Authors | ||||
| M. A. Wasfi; Ekhlas Eltahir | ||||
| Botany Dept., Fac. Sci., Khartoum Univ., Sudan, P.O. Box 321 | ||||
| Abstract | ||||
| Foliar application of four herbicides (15ppm each), resulted in obvious reductions in stomatal conductance in the leaves of cotton. Percentage reductions (compared to controls) amounted to 13, 5, 18 and 33 with 2, 4-D, KCIO3 , goal and stomp respectively. Turgor pressure followed a similar trend, and percentage decrements (compared to controls) were 23, 6, 20 and 35 with 2, 4-D, KCIO3 , goal and stomp respectively. The negative effect of these herbicides on stomatal conductance and turgor pressure could be attributed to the documented drastic effects of many herbicides on biochemical and physiological processes in non target plants. | ||||
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