The grass family. Cultivated members of this Monocotyledonous family include the cereals, fodder grasses, and sugarcane. There are about 8,000 species of grass in some 700 genera. From the human point of view, this is quite the most important family of plants as it provides most of our food, either directly or indirectly (all beef is grass). According to some taxonomists, the bamboos are also members of this family. Gram-positive

A staining test used in the identification of bacteria. The bacteria are stained with crystal violet and then iodine. They are then washed in a solvent such as acetone or alcohol. Grampositive bacteria retain the stain, while gram-negative bacteria lose it. All plant pathogenic bacteria are gram-negative, except Corynebacterium spp. Granadilla

See: Passiflora edulis. Grapes

See: Vitis vinifera.

Growing Soilless

Growing Soilless

This is an easy-to-follow, step-by-step guide to growing organic, healthy vegetable, herbs and house plants without soil. Clearly illustrated with black and white line drawings, the book covers every aspect of home hydroponic gardening.

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