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Information Journal Paper

Title

Effect of Tobacco streak virus on in different soybean cultivars in greenhouse conditions

Pages

  133-145

Keywords

Tobacco streak virus (TSV)Q1

Abstract

 Tobacco streak virus is one of the most important destructive viruse of crops, and reported as a causal agent of soybean bud blight in different region of world. In this study, the response of soybean cultivars, that were common in the north of Iran, was evaluated to TSV and the possible effect of virus on soybean, under Greenhouse conditions. This research was carried out in two way factorial arrangement on a CRD (completely randomized design) with virus isolates (soybean, mungbean and sunflower isolates) and soybean cultivars (Williams, Amir, Katol, Saman, Sari) as treatments in 3 replications. Plants were tested for TSV infection by DAS-ELISA method with specific polyclonal antibody, and polymerase chain reaction (PCR) with specific designed primer. Results showed that viral isolates significantly reduced the plant length, number of nodes, and number of healthy pods. Cultivars had significant effect on growth indices: plant length, number of nodes, number of pod and fresh weight, too. The lowest differences in growth indices and podding in compare of control group observed in Williams cultivar whereas the highest seen in Amir and Katol cultivars. The symptoms caused by soybean isolate were more severe than mungbean and sunflower isolates. Results indicated significant effect of viral isolates and soybean cultivars on podding.

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