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Association of squash leaf curl virus with nuclei of squash vascular cells



Association of squash leaf curl virus with nuclei of squash vascular cells



Phytopathology 77(11): 1596-1600



Squash leaf curl is a whitefly-transmitted virus disease affecting members of the Cucurbitaceae and is caused by a geminivirus. It is associated with nuclei of vascular tissues in leaves of zucchini squash and with maturing phloem sieve elements. Whiteflies probe leaves mainly from the abaxial surface and internal symptoms are expressed to a large extent in the vascular tissue of the abaxial phloem. Severe necrosis of sieve elements occurs after only 9 days of infection. The disease is discussed in comparison to other whitefly-transmitted geminivirus diseases of plants.

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Accession: 001533413

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