Estimation of the effect of <Emphasis Type="Italic">Tomato spotted wilt virus</Emphasis> (TSWV) infection on some yield components of tomato |
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| Authors: | Mehmet Ali Sevik Miray Arli-Sokmen |
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| Institution: | (1) Department of Plant Protection, Faculty of Agriculture, Ondokuz Mayis University, Samsun, Turkey |
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| Abstract: | The effects of Tomato spotted wilt virus (TSWV) on yield and quality of tomato fruits were studied from May through November of 2004 at the Experimental Field of
the Agricultural Faculty of Ondokuz Mayis University, in Samsun province, Turkey. TSWV caused 42.1% and 95.5% reduction in
yield and marketable value of tomato, respectively. TSWV infection in tomato crop caused significant (P < 0.05) reductions in weight, total number, width and length of the fruits in infected plants. Reductions in yield-contributing
parameters were 26.61% in weight, 20.18% in number, 10.94% in width and 11.93% in length of fruits. It is difficult to estimate
the actual yield loss and influence levels of TSWV in the field. Economic data are scarce, but in the present study it was
estimated that the yield loss due to TSWV in tomatoes was approximately $0.9 million in Samsun, Turkey. |
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