ROLE OF CROP ROTATION ON Rotylenchulus reniformis POPULATION WITH REFERENCE TO ITS MANAGEMENT ON COTTON PLANT, Gossypium barbadense IN CEMENT BINZES UNDER OUTDOOR CONDITIONS.
El-Sherif, A., Khalil, A., Refaei, A. (2009). ROLE OF CROP ROTATION ON Rotylenchulus reniformis POPULATION WITH REFERENCE TO ITS MANAGEMENT ON COTTON PLANT, Gossypium barbadense IN CEMENT BINZES UNDER OUTDOOR CONDITIONS.. EKB Journal Management System, 34(3), 2289-2296. doi: 10.21608/jppp.2009.122989
A. G. El-Sherif; A. E. M. Khalil; A. R. Refaei. "ROLE OF CROP ROTATION ON Rotylenchulus reniformis POPULATION WITH REFERENCE TO ITS MANAGEMENT ON COTTON PLANT, Gossypium barbadense IN CEMENT BINZES UNDER OUTDOOR CONDITIONS.". EKB Journal Management System, 34, 3, 2009, 2289-2296. doi: 10.21608/jppp.2009.122989
El-Sherif, A., Khalil, A., Refaei, A. (2009). 'ROLE OF CROP ROTATION ON Rotylenchulus reniformis POPULATION WITH REFERENCE TO ITS MANAGEMENT ON COTTON PLANT, Gossypium barbadense IN CEMENT BINZES UNDER OUTDOOR CONDITIONS.', EKB Journal Management System, 34(3), pp. 2289-2296. doi: 10.21608/jppp.2009.122989
El-Sherif, A., Khalil, A., Refaei, A. ROLE OF CROP ROTATION ON Rotylenchulus reniformis POPULATION WITH REFERENCE TO ITS MANAGEMENT ON COTTON PLANT, Gossypium barbadense IN CEMENT BINZES UNDER OUTDOOR CONDITIONS.. EKB Journal Management System, 2009; 34(3): 2289-2296. doi: 10.21608/jppp.2009.122989

ROLE OF CROP ROTATION ON Rotylenchulus reniformis POPULATION WITH REFERENCE TO ITS MANAGEMENT ON COTTON PLANT, Gossypium barbadense IN CEMENT BINZES UNDER OUTDOOR CONDITIONS.

Journal of Plant Protection and Pathology
Article 15, Volume 34, Issue 3, March 2009, Page 2289-2296  XML PDF (345.85 K)
Document Type: Original Article
DOI: 10.21608/jppp.2009.122989
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Authors
A. G. El-Sherif1; A. E. M. Khalil2; A. R. Refaei1
1Nematology Research Unit, Agriculture Zool. Dept., Fac. Of Agric., Mansoura Univ.
2Nematology Division, Plant Pathology Res. Inst., Centre, Giza, Egypt
Abstract
Population behavior of Rotylenchulus reniformis as artificial infestation on winter crop i.e. Egyptian clover, Triffolium alexandrinum or broadbean, Vicia faba preceding cotton cv. Giza 45 as summer crop through crop rotation system as well as its management using certain organic matters i.e. camel, horse manures, dried leaf powder of perwinkle and adhatoda in comparison with a herbicide (Emax) and a nematicide, (oxamyl) during the growing season 2005/2006 was studied within cement binzes under outdoor conditions. Results reveal that R. reniformis population fluctuated in soil of winter crops, increased from 200 individuals per 250 g. soil as the initial population to 264 or 300 individuals per 250 g. soil of Egyptian clover or broadbean in December 2005 and then declined down to 170 or 190 individuals / 250 g. soil in March, 2006 where soil temperature reached 19±5ºC, respectively, after cotton cv. Giza 454 seeds sowing. With respect to its management on cotton, oxamyl sharply suppressed nematode population below the economic threshold level that was 125 individuals per 250 g. soil throughout the growing season. Periwinkle dried leaf powder ranked second to oxamyl in suppressing nematode count, followed by Emax and camel manure with values of 78.92%, 69.95% 68.35% and 56.87%, respectively. Also, rate of nematode build-up on cotton roots under stress of the various tested treatments was adversely affected with range between 0.11 to 1.11 vs 1.04 folds for the check one . Oxamyl treatment had the lowest rate of nematode build-up (0.11), while adhatoda powder had the highest one (4.20). Meanwhile, cotton yield, percentage increase  values was 41.6%, 33.0%, 25.0 and 15.0% for oxamyl, periwinkle powder, Emax and camel manure , whereas, the lowest values were recorded by horse manure (8.3%) and adhatoda powder (5.0%), respectively.
Keywords
Cotton; Gossypium barbadense; reniform nematode; Rotylenchulus reniformis; seasonal fluctuation; organic manures; oxamyl; Emax
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