vascular tissue
Vascular tissue: tissue that consists of cells that are arranged in a network of tubes, which transport blood or other fluids
Glossary Category:
vegetative growth
Vegetative growth: growth that is not associated with reproduction, typically of plants
véraison
Is the onset of the ripening of the grapes. The official definition of veraison is “change of color of the grape berries”.[2] Veraison represents the transition from berry growth to berry ripening, and many changes in berry development occur at veraison.
viroid
Viroid:A viroid is a plant pathogenic RNA molecule that is similar to a virus, but lacks a protein coat. These small, single-stranded RNA molecules can cause disease in plants, but are not known to infect animals or humans. Viroid infections are often asymptomatic, meaning they do not show any visible symptoms. However, when symptoms do occur, they can be devastating to the plant, leading to stunted growth, deformities, and even death. Viroid diseases are difficult to control and there is no cure once a plant is infected.
virulent
Virulent:(adj.) having a severe or harmful effect; poisonous.A virulent virus is one that is highly contagious and causes severe illness. Volatile liquids are liquids that evaporate easily, such as gasoline. Volatilization is the process of a liquid evaporating. A volunteer is someone who does work without being paid.
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