Agronomy knowledge

Словарь агронома

Короткие понятные определения агрономических терминов: обработка почвы, посев, питание, защита растений, техника и хранение урожая.

Терминов в разделе: 55

A

Селекция и семеноводство

Approbation bush

A representative plant or group of plants selected in a field to perform an expert assessment of the varietal and seed quality of a crop.

Селекция и семеноводство

Approbation percentage

A metric indicating the degree of varietal purity of a crop field, determined during official field inspection to ensure adherence to seed quality standards.

B

Селекция и семеноводство

Breeding nursery

A specialized field area for the primary propagation and evaluation of hybrid plant materials selected to develop new crop varieties.

Селекция и семеноводство

Breeding process

The breeding process is a targeted activity aimed at creating and improving plant varieties and hybrids with specific commercially valuable traits.

C

Селекция и семеноводство

Clonal selection

A breeding method involving the selection of the best individual plants within a vegetatively propagated cultivar to preserve or improve its specific traits.

Селекция и семеноводство

CMS (Cytoplasmic Male Sterility)

A genetic condition in plants that prevents the production of functional pollen, used primarily to facilitate large-scale hybrid seed production.

Селекция и семеноводство

Contrast hybridization

A plant breeding method that involves crossing genetically distant parental forms to create progeny with unique, often opposing, valuable traits.

Селекция и семеноводство

Cross-pollination

The transfer of pollen from the male parts of one flower to the female parts of another flower of the same species.

Селекция и семеноводство

Cultivar acclimatization

The process of adapting a crop cultivar to new soil and climatic conditions that differ from the environment of its original breeding.

Селекция и семеноводство

Cultural value of seeds

This is a quality indicator representing the percentage of pure, viable seeds in a batch capable of producing healthy seedlings.

D

Селекция и семеноводство

Depression (in agronomy)

A temporary slowing or cessation of plant growth and development caused by adverse environmental factors or external physiological stress.

E

Селекция и семеноводство

Ecological plasticity

This is the ability of a crop variety or hybrid to maintain stable productivity despite variations in environmental conditions and climatic factors.

Селекция и семеноводство

Economic and biological assessment

A comprehensive analysis of agricultural crop varieties based on their productive potential and resistance to environmental stress factors.

Селекция и семеноводство

Elite seed-producing farm

An agricultural enterprise specialized in multiplying elite-category seeds to supply commercial farms with high-quality planting material.

Селекция и семеноводство

Elite seeds

Elite seeds are high-quality reproductive material derived from super-elite seeds, intended for the further production of commercial seed crops.

F

Селекция и семеноводство

Field inspection

Field inspection is the process of evaluating agricultural crops in the field to verify varietal purity, identity, and the absence of diseases or weeds.

Селекция и семеноводство

First filial generation (F1 hybrid)

This is the first generation of offspring resulting from a cross between two genetically distinct parent lines, exhibiting superior traits known as heterosis.

G

Селекция и семеноводство

Genetic potential

The maximum productivity of a crop variety or hybrid determined by its DNA, which can be achieved under optimal environmental and management conditions.

Селекция и семеноводство

Genetic purity

The degree to which seeds or plants possess the genetic characteristics of a specific variety, free from contamination by other varieties.

H

Селекция и семеноводство

Heterosis (hybrid vigor)

The phenomenon where the progeny of genetically diverse parents exhibit superior traits, such as growth rate and yield, compared to either parent.

I

Селекция и семеноводство

Inbred line

An inbred line is a genetically uniform population of plants derived from repeated self-fertilization, serving as the basis for breeding hybrid crop varieties.

Селекция и семеноводство

Inbred line

An inbred line is a group of genetically identical plants produced by repeated self-pollination to stabilize desirable traits.

Селекция и семеноводство

Inbreeding

Inbreeding is the breeding of closely related individuals, utilized in agriculture to create homozygous lines and preserve desirable traits.

Селекция и семеноводство

Individual selection

A breeding method where the best plants are selected from a population based on progeny testing to develop pure lines.

M

Селекция и семеноводство

Male parent

The plant providing pollen for cross-pollination to produce new varieties or hybrid seeds.

Селекция и семеноводство

Mass selection

A breeding method where a group of plants with desirable phenotypic traits is selected from a population to produce seeds for the next generation without indivi...

Селекция и семеноводство

Maternal form

A plant used as the female parent in hybridization to produce seeds with specific desired traits or hybrid vigor.

Селекция и семеноводство

Morphological traits

These are the external physical characteristics of a plant, such as shape, size, color, and structure, used for variety identification and field assessment.

N

Селекция и семеноводство

National List of Varieties

An official catalogue of plant varieties approved by the government for commercial cultivation and sale within a country.

P

Селекция и семеноводство

Post-control

Post-control in agronomy is the systematic assessment of the efficacy of pesticides and agrochemicals applied to crops after a specific period following the tre...

Селекция и семеноводство

Pre-basic seeds

The highest category of seeds produced under the direct responsibility of the breeder to maintain the genetic purity and identity of the variety.

Селекция и семеноводство

Progeny testing nursery

A specialized breeding nursery where the performance of individual plant lineages is evaluated to determine their genetic potential and suitability for further...

R

Селекция и семеноводство

Reproduction

This is a successive generation of seeds or planting material obtained during the process of seed production from initial plant forms.

Селекция и семеноводство

Reproduction sowing

A method of sowing elite or high-generation seeds to produce quality seed material for future cycles while preserving the variety's specific traits.

Селекция и семеноводство

Roguing

The practice of identifying and removing off-type plants, diseased individuals, or weeds from a crop to maintain genetic purity.

S

Селекция и семеноводство

Seed certification

The official process of testing and verifying seed quality to ensure it meets established standards for purity, germination capacity, and health.

Селекция и семеноводство

Seed certification

The official process of verifying that seed lots meet established quality standards for genetic identity, purity, and germination.

Селекция и семеноводство

Seed control

A system of testing and verification procedures designed to ensure that seeds meet established quality, purity, and germination standards for agricultural produ...

Селекция и семеноводство

Seed generation

Seed generation is the biological process of seed development, maturation, and reproduction within agricultural crops.

Селекция и семеноводство

Seed inspection

A regulatory service responsible for auditing and certifying seed quality, purity, and germination rates to ensure they meet agricultural standards.

Селекция и семеноводство

Seed lot

A seed lot is a specific quantity of seeds, uniform in quality and origin, identified by a unique code and covered by a single certificate of analysis.

Селекция и семеноводство

Seed production system

A structured sequence of agronomic and organizational activities designed to multiply high-quality, genetically pure seeds while maintaining the varietal charac...

Селекция и семеноводство

Sowing suitability

Sowing suitability is a parameter representing the percentage of seeds in a lot that are both pure and viable, calculated by multiplying seed purity by germinat...

Селекция и семеноводство

Species purity

Species purity is a measure of the absence of seeds of other botanical plant species within a specific seed lot.

Селекция и семеноводство

Sterility

The condition of an organism or environment characterized by the total absence of living microorganisms or the inability to reproduce sexually.

Селекция и семеноводство

Super Elite

Super Elite seeds are high-quality planting material obtained directly from the breeder, serving as the primary stock for seed multiplication programs.

V

Селекция и семеноводство

Varietal identification

The process of verifying that a specific crop or seed lot conforms to the defined characteristics and genetic profile of a particular variety.

Селекция и семеноводство

Varietal qualities

These are the genetically determined characteristics and traits of a plant that define its identity, productivity, and suitability for specific growing environm...

Селекция и семеноводство

Variety adaptability

The ability of a crop variety to maintain consistent yields and performance across varying environmental and soil conditions within a specific region.

Селекция и семеноводство

Variety differentiation

The practice of managing different crop varieties separately to optimize their specific yield potential and synchronize farming operations like harvesting.

Селекция и семеноводство

Variety renewal

A systematic replacement of commercial seeds with high-quality certified seed stock to maintain the genetic integrity and yield potential of a crop variety.

Селекция и семеноводство

Variety replacement

The planned transition from older, less productive crop varieties to newer, higher-yielding ones with improved agronomic traits.

Селекция и семеноводство

Variety testing

A process of evaluating new crop varieties through field trials to determine their agronomic performance, productivity, and suitability for specific environment...

Z

Селекция и семеноводство

Zonal zoning

A system of dividing territory into regions with similar climatic and soil conditions to select the most suitable crop varieties and farming practices.

Селекция и семеноводство

Zoning

The division of territory into agro-climatic regions to select crop varieties and hybrids best suited to the local soil and climate conditions.