Galls
Термины кактусовода
Outgrowths on a plant that form as a result of the action of a parasite.
Glossary of terms
A reference section with categories and short explanations.
Gametes
Термины кактусовода
(From Greek gametes - husband, gamete - wife) - sex cells, in the overwhelming majority of cases having a haploid set of chromosomes; during fertilization two gametes of opposite sexes fuse to form a diploid zygote.
Garúa
Термины кактусовода
Dense fog formations in the form of the finest drizzle on the Pacific coasts of Chile and Peru resulting from the temperature difference between the surrounding air and the cold coastal current.
Gene
Термины кактусовода
(From Greek genos - genus) a hereditary factor, a functionally indivisible unit of genetic material, a segment of a DNA molecule carrying information about the structure of the primary sequence of a somatic or enzymatic protein, transfer o…
Genesis
Термины кактусовода
Origin and development of species.
Generative zone
Термины кактусовода
Part of the stem bearing the organs of sexual reproduction.
Generative reproduction (sexual)
Термины кактусовода
Reproduction by means of seeds, seed reproduction of plants by sexual means as a result of cross-pollination by the transfer of pollen from the stamens of one flower to the stigma of a flower of another plant of the same species.
Generative organs of the plant
Термины кактусовода
(From lam. genero - I give birth, I produce) perform the function of sexual reproduction, otherwise - reproductive organs; in angiosperms (flowering plants) they are represented by female and male gametophytes. At present this concept is o…
Generative shoot
Термины кактусовода
Shoot bearing reproductive organs.
Genetics
Термины кактусовода
The science of heredity and variation of organisms.
Genetic memory
Термины кактусовода
The ability of plants transferred to a different habitat to retain, from generation to generation, certain characteristics of the annual development cycles of their ancestors in their homeland.
Genotype
Термины кактусовода
(From Greek genos - kin, origin and typos - imprint) the hereditary basis of an organism, the totality of all hereditary information (genes) of a given organism, determining the norm of its reaction under all possible environmental conditi…
Geophytes
Термины кактусовода
A life form of certain herbaceous plants whose renewal buds are located in the soil.
Glochids
Термины кактусовода
Easily detached, unicellular hairs bearing saw-like barbs, very sharp and stiff, located in the areoles of Opuntia.
Growth dynamics
Термины кактусовода
Differences in the rate of plant growth associated with natural factors (temperature, amount of light energy and precipitation), as well as with aspects of maintenance under enclosed growing conditions (frequency of watering, addition of f…
Grafting
Термины кактусовода
A horticultural technique that involves joining the scion and the rootstock, resulting in accelerated growth of the scion or simplifying its care.
Germination
Термины кактусовода
A set of technological measures that facilitate the germination of seeds during sowing.
Germinated seeds
Термины кактусовода
Seeds in which the embryonic root (radicle) has appeared, but the embryonic stem (the subcotyledonary swelling or hypocotyl) has not yet developed.
Genus
Термины кактусовода
The primary supraspecific taxonomic category that groups phylogenetically closely related species.
Growing point
Термины кактусовода
The tip of the main organ (stem, root), composed of formative tissue represented by a group of meristematic cells.
Graft fixation
Термины кактусовода
Securing the scion to the rootstock to ensure their union.