First Report of Zucchini yellow mosaic virus in Snake Gourd ( Trichosanthes cucumerina ) in India

Zucchini yellow mosaic virus (ZYMV, genus Potyvirus, family Potyviridae) infects several types of cucurbits and causes severe losses to their production worldwide (2.3). Snake gourd (Trichosanthes cucumerina L.) is a cucurbitaceous vegetable, probably originated and domesticated in India (4). It is cultivated widely in South India by farmers for domestic consumption and as a source of family income. While conducting field surveys during 2013 and 2014 to document virus diseases in cucurbitaceous crops in Tamil Nadu. India, snake gourds exhibiting mosaic and malformation of leaves were found in farmers' fields in Tirunelveli (isolate TN TNV SGI).