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	A :: B :: C :: D :: E :: F :: G :: H :: I :: J :: K :: L :: M :: N :: O :: P :: Q :: R :: S :: T :: U :: V :: W :: X :: Y :: Z -- G -- GENUS -- Used when naming plants. Genus is the plant equivalent of our surnames. When followed by the name of the 'Species' you have it's botanical name. Almost always in Latin. GERMINATION -- The first stage in the development of a plant from seed. GIRDLING -- The choking of a branch by a wire, rope or other inflexible material which usually occurs most often in woody stemmed plants that have been tied down too tightly without regard for growth. GLABROUS -- Plant surface which is smooth and hairless. GLAUCOUS -- Plant surface which is covered with a bluish-gray bloom. GLOCHID -- A small hooked hair borne on some cacti. GRAFTING -- The process of joining a stem or bud of one plant on to the stem of another. GREEN MANURE -- A crop (such as rye grass) that is grown and then incorporated into the soil to increase soil fertility or organic matter content. Usually turned over into the soil a few weeks before new planting begins. GROUND COVER -- A plant used to provide a low-growing carpet between other plants. GROWING POINT -- The tip of a stem, which is responsible for extension growth. Top of Page -- H -- HALF HARDY -- An indoor plant which requires a minimum temperature of 50"-55"F for healthy growth. Compare hardy and tender. HARDENING OFF -- Gradual acclimatization to colder conditions. Usually used when talking about transplanting of greenhouse plants or seedlings. Can be as simple as moving outside into a protected area for a short time, to more involved methods. HARDY -- A plant which can withstand prolonged exposure to temperatures at or below 45"F. Compare half hardy and tender. HEEL -- A strip of bark and wood remaining at the base of a side shoot cutting pulled off a main shoot. Some cuttings root more readily if a heel is attached. HERB -- A plant grown for flavoring or medicinal purposes. HERBACEOUS -- A plant with a non-woody stem. HONEYDEW -- Sticky, sugary secretion deposited on plants by insects such as aphid and whitefly. HOUSE PLANTS -- Plants that are grown and raised indoors in containers. HUMIDIFIER -- A piece of equipment used to raise the humidity of the air in a room. HUMUS -- A dark coloured, stable form of organic matter that remains after most of plant or animal residues have decomposed. HYBRID -- A plant with parents which are genetically distinct. The parent plants may be different cultivars, varieties, species or genera but not different families. HYDROPONICS -- A method of growing a plant in water containing dissolved nutrients. HYGROMETER -- An instrument used to measure the Relative Humidity of the air. Top of Page -- I -- INFLORESCENCE -- The arrangement of flowers on the stem. A flower head. INOCULANTS -- A seed treatment medium that contains the sybiotic rhizobial bacteria to capture nitrogen when in contact with legume roots. INORGANIC -- A chemical or fertilizer which is not obtained from a source which is or has been alive. INSECTICIDE -- A chemical (synthetic or organic) used to kill or repel insects. INTERNODE - The part of the stem between one node and another. Top of Page

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