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El-Nady, M., Zein, A., Ashry, M., Abdel-dayem, S. (2012). ULTRASTRUCTURAL CHANGES IN ORIZA SATIVA, Echinochloa colonum AND Echinochloa crus-galli TREATED WITH FENOXAPROP-P-ETHYL AND PENOXSULAM HERBICIDES.. Journal of Plant Protection and Pathology, 3(6), 533-545. doi: 10.21608/jppp.2012.83794
M F. El-Nady; A. Zein; M. A. Ashry; Sh. Abdel-dayem. "ULTRASTRUCTURAL CHANGES IN ORIZA SATIVA, Echinochloa colonum AND Echinochloa crus-galli TREATED WITH FENOXAPROP-P-ETHYL AND PENOXSULAM HERBICIDES.". Journal of Plant Protection and Pathology, 3, 6, 2012, 533-545. doi: 10.21608/jppp.2012.83794
El-Nady, M., Zein, A., Ashry, M., Abdel-dayem, S. (2012). 'ULTRASTRUCTURAL CHANGES IN ORIZA SATIVA, Echinochloa colonum AND Echinochloa crus-galli TREATED WITH FENOXAPROP-P-ETHYL AND PENOXSULAM HERBICIDES.', Journal of Plant Protection and Pathology, 3(6), pp. 533-545. doi: 10.21608/jppp.2012.83794
El-Nady, M., Zein, A., Ashry, M., Abdel-dayem, S. ULTRASTRUCTURAL CHANGES IN ORIZA SATIVA, Echinochloa colonum AND Echinochloa crus-galli TREATED WITH FENOXAPROP-P-ETHYL AND PENOXSULAM HERBICIDES.. Journal of Plant Protection and Pathology, 2012; 3(6): 533-545. doi: 10.21608/jppp.2012.83794

ULTRASTRUCTURAL CHANGES IN ORIZA SATIVA, Echinochloa colonum AND Echinochloa crus-galli TREATED WITH FENOXAPROP-P-ETHYL AND PENOXSULAM HERBICIDES.

Article 3, Volume 3, Issue 6, June 2012, Page 533-545  XML PDF (530.58 K)
Document Type: Original Article
DOI: 10.21608/jppp.2012.83794
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Authors
M F. El-Nady1; A. Zein2; M. A. Ashry2; Sh. Abdel-dayem2
1Dept. of Agric. Botany, Fac. of Agric., Kafrelsheikh Univ., Egypt
2Dept. of Pesticides Fac. of Agric., Kafrelsheikh Univ., Egypt
Abstract
Cytological changes in rice Oriza sativa (L.) cv. Sakha 104, and two different rice weeds i.e. Echinochloa colonum (L.) and Echinochoa crus-galli (L.) after foliar application with fenoxaprop-P-ethyl at rate of 26.25 g a.i /fed. and penoxsulamat rate of 10 g a.i/fed. were investigated. Mesophyll cell plasmolysis and unevenly thickened cell walls were showed in O. sativa after foliar application with fenoxaprop-P-ethyl. Mitochondria multi- fission and increasing in mitochondria number per cell were found in rice and E. crus-galli mesophyll cells. Thylakoid membrane reduction and plastoglubule were noticed in chloroplast of mesophyll cells in E. colonum were recorded. Furthermore, re-growth of E. crus-galli and E. colonum occurred after foliar application with fenoxaprop-P-ethyl. These findings will improve our understanding for the tested herbicides mode of action in wanted and unwanted plants at ultrastructural levels.       
Keywords
Plasmolysis; programmed cell death; thylakoid; mitochondria multi-fission; re-growth; cytological changes; irregular nucleus
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