A grapevine variety consists of an array of clones descended by vegetative propagation from a single selected vine grown from a single seedling. A majority of the clones within a variety are identical ...

The process of growing many plants from one plant by man-made methods is called artificial propagation of plants. A number of methods of artificial propagation of plants are used in agriculture and ...

Considered from an anatomical point of view, these two species may be distinguished from each other by the following contrasting characters: R. virginica.-Roots tuberous where the shoots develop; no ...

Journal of Biogeography, Vol. 32, No. 1 (Jan., 2005), pp. 85-98 (14 pages) Aim Fire is a key disturbance in Mediterranean-type climates. It has effects on plant community structure and composition and ...