Evaluation of resistance to Tomato severe rugose virus (ToSRV) in Capsicum spp. genotypes

Tomato severe rugose virus (ToSRV) is the predominant species of begomovirus in Sao Paulo State, Brazil, and infects primarily tomato and pepper plants. There is no information about genetic resistance of pepper to this virus, so in this work the reaction of 29 genotypes of Capsicum spp. was evaluated by inoculation of two ToSRV isolates: ToSRV-Sk (isolated from a tomato plant) and ToSRV-PJU (isolated from a pepper plant). For both isolates, two C. annuun genotypes (Catarino Cascabel - Mexico and Silver) showed no symptoms 30 days after inoculation (d.a.i). In a second experiment, these two genotypes were evaluated for 150 d.a.i and, again, no symptoms could be observed. However, the virus was detected by RCA-PCR, indicating that both genotypes are susceptible, but less affected by ToSRV infection. Catarino Cascabel - Mexico and Silver can be indicated for use in breeding programs for resistance of pepper to ToSRV.

• Publication year

  2012

• Venue

  Tropical Plant Pathology

• Publication date

  2012-10-01

• Fields of study

  Agricultural and Food Sciences, Biology

• Identifiers
  DOI 10.1590/S1982-56762012000500002
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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