University of Khartoum

Control of Tomato Leaf Curl Virus Disease in Shambat area, Sudan

Control of Tomato Leaf Curl Virus Disease in Shambat area, Sudan

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Title: Control of Tomato Leaf Curl Virus Disease in Shambat area, Sudan
Author: Fawzia Salih, Haddam
Abstract: At present, the tomato leaf curl disease (TLCV) is considered as one of the most important factors limiting the production of tomato in the Sudan. The disease is caused by a Gemini virus, which is transmitted by the whitefly, Bemisia tabaci. Several trials have been conducted for the control of this disease but without much success. In the present study, a field trial was conducted in the Experimental Farm of the Faculty of Agriculture, Shambat to evaluate the best soil for the germination of tomato seeds and the growth of seedling using five types of soils .these soils are peat moss, clay, sand, shambat field soil and mixture of shambat field soil and sand soil . It was also intended in the present to evaluate the effect of six treatments for the control of the disease. In three tomato varieties These treatments included covering of the tomato seedlings with mosquito net in the nursery for 6-7 weeks before transplanting, covering the seedlings combined with confidor spraying in nursery and in field ,uncovered treated with Confidor in nursery and field ,uncovered treated with Confidor in nursery , uncovered treated with. Confidor in field and untreated control The results of this study showed the best soil for growing tomato seedlings was peat moss flowed by Shambat field soil also the study showed that covering of the tomato seedlings combined with Confidor application 5-7 days prior to transplanting have significantly decreased the whitefly infestation, disease incidence and the disease severity. However, the tomato fruit yield was significantly increased by 277% while the number of fruits increased by 244%.and the fruit weight was increased by 41%. It is recommended that the experiment should be repeated for another season and if the results are positive, the tomato growers should adopt the disease control procedure
Description: 66 Pages
URI: http://khartoumspace.uofk.edu/handle/123456789/12830
Date: 2015-06-16


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