First Report of Tomato chlorotic spot virus in Lettuce in Puerto Rico

Tomato chlorotic spot virus in Hydroponically-Grown Lettuce in São Paulo State, Brazil

In the regions of Campinas and Sumaré, São Paulo, Brazil, hidroponically grown crops of Lettuce (Lactuca sativa) cv. Verônica, which showed virus-like symptoms were examined by electron microscope, biological, serological and molecular tests. Pleomorphic, enveloped particles (80-100 nm in diameter) were always detected in these samples. Experimentally inoculated host plants, including lettuce, ...

An Investigation of Apple Chlorotic Leaf Spot (ACLSV) and Tomato Ring Spot (ToRSV) in Some Iranian Pear Gardens

Background and Aims: In spite of a long tradition of fruit-tree growing in all provinces of Iran, information on pear (Pyrus communis) tree viruses is scant. In order to identify of the nature of the virus like symptoms and decline in pear trees, we carried out a survey for the occurrence of four important viruses. Materials and Methods: Leaf samples of pear showing virus like symptoms wer...

Detection and Identification of Tomato Ring Spot Virus in Ornamental Plants in North Khorasan Province

In recent years, the symptoms of viral diseases such as dwarfism, mosaic, discoloration, necrosis, and circular spots have been prevalent in ornamental plants in parks, gardens, and streets in North Khorasan Province. Tomato ring spot virus (ToRSV) belongs to the Nepovirus genus of Secoviridae family. This virus is a major cause of the infection of ornamental plants in the world. In this study,...

Slavery in Puerto Rico

Puerto Rico

of America, Children's Defense Fund, and Generations United have partnered to produce state and national GrandFacts fact sheets for grandparents and other relatives raising children. The state fact sheets include state-specific data and programs as well as information about foster care, public benefits, educational assistance and state laws. Visit www.grandfactsheets.org to find this and all Gr...