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Yehia, W., El - Menshawie, M. (2008). STUDIED OF TOLERANCE OF SOME EGYPTIAN COTTON CULTIVARS FOR DROUGHT (WATER STRESS). Journal of Plant Production, 33(10), 7041-7051. doi: 10.21608/jpp.2008.171220
W. M. B. Yehia; M. E. El - Menshawie. "STUDIED OF TOLERANCE OF SOME EGYPTIAN COTTON CULTIVARS FOR DROUGHT (WATER STRESS)". Journal of Plant Production, 33, 10, 2008, 7041-7051. doi: 10.21608/jpp.2008.171220
Yehia, W., El - Menshawie, M. (2008). 'STUDIED OF TOLERANCE OF SOME EGYPTIAN COTTON CULTIVARS FOR DROUGHT (WATER STRESS)', Journal of Plant Production, 33(10), pp. 7041-7051. doi: 10.21608/jpp.2008.171220
Yehia, W., El - Menshawie, M. STUDIED OF TOLERANCE OF SOME EGYPTIAN COTTON CULTIVARS FOR DROUGHT (WATER STRESS). Journal of Plant Production, 2008; 33(10): 7041-7051. doi: 10.21608/jpp.2008.171220

STUDIED OF TOLERANCE OF SOME EGYPTIAN COTTON CULTIVARS FOR DROUGHT (WATER STRESS)

Article 4, Volume 33, Issue 10, October 2008, Page 7041-7051  XML PDF (651.95 K)
Document Type: Original Article
DOI: 10.21608/jpp.2008.171220
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Authors
W. M. B. Yehia1; M. E. El - Menshawie2
1Cotton Breeding Section , Cotton Research Institute, ARC.
2Cotton Physiology Section , Cotton Research Institute, ARC.
Abstract
Two experiments were carried out at Sakha Agricultural Research Station , Cotton Research Institute , to study the effect of drought on morphological , yield , yield components and physiological traits in some cotton cultivars . This study comprised some Egyptian cotton cultivars i.e. G.91, G.89, G.85, G.88, G.70, G. 89x G.86 , G.89 x Pima S6, G.86 and G.80. Were  planted under drought condition which toke five once irrigation and normal condition, which toke eight once irrigation as control .
The results obtained could be summarized as follows :-
1-  Cultivars differently responded to drought conditions.
2-  Drought condition tended to decreased number of fruiting branches ,   dry weight , plant height , leaf area index, boll weight , seed and lint cotton yield per plant , seed index , lint percentage , number of bolls per plant , total chlorophyll , proteine and oil percentage in seeds.
3- The proline content in leaves was increased as a result of water stress conditions (drought) .
4-  G.86 and G.80 observed the highest values of content of proline in leaves and had a highest  yield and its components under drought stress.
5-  For plant breeder , these results very important to select plants had higher proline content in leaves as indicator to obtained plants more tolerant to drought and highly yielding .
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