Glossary of terms
A reference section with categories and short explanations.
Термины кактусовода
(From the English in - in, inside and breeding - breeding) the crossing of organisms that have common ancestors, close inbreeding, as well as pollination with one's own pollen. According to one view, it is believed that in inbreeding there…
Термины кактусовода
(From Latin inhibeo - I restrain, I stop) - substances of diverse chemical nature that suppress the catalytic activity of individual enzymes or enzyme systems. In a broad sense, the term is used to denote substances that slow down various …
Термины кактусовода
Influx of solar radiation to the Earth's surface. Depends on the sun's altitude above the horizon, the orientation of the surface, elevation above sea level, the state of the atmosphere, etc.
Термины кактусовода
Part of the plant not affected by rot.
Термины кактусовода
(From Latin integumentum - covering, coat) - the covering of the ovule, later developing into the seed coat. One distinguishes the inner integument, in the form of a thin membrane covering the embryo; and the outer one - a dense structure …
Термины кактусовода
Intentional or accidental transfer of individuals of a plant species beyond its area of distribution.
Термины кактусовода
The transfer by a person of pollen from the flower of one plant to the flower of another.
Термины кактусовода
Xerophytic low-growing forests and shrub thickets in the northeastern part of the Brazilian Highlands, formed under hot, dry climatic conditions. Cactus soil is a specialized potting mix used for growing cacti.
Термины кактусовода
"Callus", forming at the site of injury on a plant and consisting of dividing cells. Promotes wound healing and the union of grafts.
Термины кактусовода
Sap-conducting vessels arranged as a cylinder along the axis of the stem. They appear as a ring in cross-section.
Термины кактусовода
Secondary meristematic tissue located along the length of the stem as a thin cylindrical layer of cells.
Термины кактусовода
Local name for savannas — plains covered with perennial grasses with scattered trees or areas of shrub thickets.
Термины кактусовода
(From Latin carota – carrot) – pigments of various colors contained in chloroplasts and chromoplasts.
Термины кактусовода
Division of plants into groups during their classification. The main classification categories are class, family, genus, species.
Термины кактусовода
The lower perennial, lignifying parts of the stem or root of plants with a taproot system.
Термины кактусовода
A short ravine or gorge, a narrow pass, often lacking streams or drainage.
Термины кактусовода
Systematization of the plant world based on the process of its historical development, with subsequent division into groups according to any similar characteristic or to several characteristics that recur from generation to generation.
Термины кактусовода
(Cleistogamous flower) (from Greek kleistos - closed and gamos - marriage) - self-pollination and self-fertilization in flowers that do not open.
Термины кактусовода
The liquid that fills the vacuoles of plant cells and is a product of their metabolic activity (mineral salts, amino acids, carbohydrates, organic acids, pigments).
Термины кактусовода
A series of successive generations of genetically uniform individuals formed as a result of asexual or vegetative reproduction from a common ancestor.
Термины кактусовода
Prickles arranged in the form of a ridge.
Термины кактусовода
Spines located on the periphery of the areole.
Термины кактусовода
Spines located in the center of the areole.
Термины кактусовода
Fertilizer obtained as a result of the decomposition of various organic substances under the activity of microorganisms (the basis of compost is manure).
Термины кактусовода
Similarity of traits that arises in the course of evolution in phylogenetically distant plants under the influence of similar environmental conditions.
Термины кактусовода
The collection of a plant's underground roots. The taproot system has a primary root and lateral roots; the fibrous or fasciculate system — the primary root is weakly developed or dies early, and adventitious roots form a cluster, a fascic…
Термины кактусовода
The point where the roots transition into the stem.
Термины кактусовода
Absorbing, dying off as the root grows.
Термины кактусовода
Groups of cells from which new roots develop.
Термины кактусовода
Shoots arising from adventitious buds.
Термины кактусовода
Plant pests that damage roots.
Термины кактусовода
Plants that develop on their own roots and do not require grafting.
Термины кактусовода
An anomaly (an unusual form) of plant development in which the growing point is stretched into a line and the cactus acquires a crest-like form.
Термины кактусовода
(From Eng. crossing-over - crossover) - mutual exchange of homologous segments between homologous chromosomes as a result of breakage and rejoining in a new order of their strands - chromatids; leads to new combinations of alleles of diffe…
Термины кактусовода
(From Greek xeros - dry and phyton - plant) - plants of dry habitats, adapted to withstand overheating and lack of water (dehydration), characteristic of a given area.
Термины кактусовода
An individual obtained by cultivation and differing in certain characteristics (morphological, physiological, and others) that are valuable to maintain when reproduced both vegetatively and by generative means. Equivalent to the term 'vari…
Термины кактусовода
The set of practices ensuring the survival of cacti in a collection.
Термины кактусовода
Distinctive features of plants grown under cultivation, differing from their natural traits.
Термины кактусовода
Plants that have been grown for many generations under conditions of selection and care by humans during their cultivation.
Термины кактусовода
(From Latin cuticula - skin) - a layer of fatty (waxy) substance that covers the surface of the epidermis of aerial organs with a continuous film; poorly permeable to aqueous solutions, gases, and microorganisms. A thick cuticula, densely …