enation

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enation

an outgrowth on a leaf produced by a virus infection resulting in the multiplication of leaf cells.
References in periodicals archive ?
Leaves showing symptoms like leaf curling, vein swelling and yellowing and enations under side of the leaf were given particular importance for total plant genomic DNA extraction by using cetyl trimethyl ammonium bromide (CTAB) method (Doyle and Doyle, 1987).
First, though OECD membership did at one time encompass all the major capital-exporters--the United States, the western European Enations, and Japan, among others--this is no longer true.
Disease rating scales on the basis of intensity of CLCuD for its index Symptoms Rating scale Complete absence of symptoms 0 Few small scattered vein thickening 1 Small scattered vein thickening 2 Vein thickening involving 3 small groups of veins Large groups of veins involved and curling or top 4 of the plant affected All veins involved and severe curling or half of the plant affected 5 All veins involved and severe curling and stunted plant or whole of the plant affected and stunting 6 Enations E Table 2.
Symptomatology: Tobacco plants infected with tobacco begomoviruses exhibited leaf curling, enlarged veins (forming a network of velvet-like appearance on the underside of the leaves) and vein enations (Fig.