Agriculture Glossary

Below is the list of words found in Agriculture Glossary:

Aphid
Aphid species, Aphis gossipeii, a sucking pest of cotton.

Bollworms
The larval or caterpillar stage of a most significant cotton pest, primarily infesting fruit (squares, blooms, and bolls).

Character (trait)
A distinctive but not necessarily invariable feature exhibited by all individuals of a group and capable of being described or measured; e.g. color, size, performance. A character of a given individual will have a certain phenotype as determined by the individual’s genotype and the environment.

Fiber
A cotton fiber is classified in four ways, by its length, micronaire, strength and uniformity. The fiber typically accounts for approximately 35 percent of the weight of a seed cotton, though this proportion varies.

Gene
The basic unit of inheritance.

Genetic purity
Genetic Purity – Trueness to type or cultivar, usually referring to seed.

Genetics
Genetics is the basic science dealing with causes of resemblances and differences among organisms related by descent. It takes into account the effects of genes and the environment.

Germination
The process where a seed, spore, or zygote begins to sprout, grow, or develop, usually after it has been dormant for a time while waiting for the right growing conditions.

Green Revolution
Modification of agriculture starting in the 1950s through the use of machines, fertilizer, pesticides, irrigation and the growth of hybrid varieties of rice, wheat, and corn.

Grow out test
Grow out test is conducted to determine the genetic purity of given seed lots.

Growth regulators
A chemical that speeds or slows plant growth or maturation.

Intercropping
The cultivation of two or more crops simultaneously on the same field, with or without a row arrangement (row intercropping or ‘mixed intercropping’).

Legume
Any of a large group of plants of the pea family.

Lint
The cotton fiber obtained by the ginning process once the cotton seed, leaves and casing have been removed.

Mono-crop
A single crop planted in one area at one time.

Multi-line variety
A multiline variety is a mixture of genetic types (lines) of a crop similar in growth characteristics but which differ in the resistance genes which they carry.

Pest
An animal causing damage or annoyance to man, his animals, crops or possessions, such as insects, mites, nematodes, rodents, birds. In phrases such as ‘integrated pest management’ and ‘pest control’, the term is used in a broader sense to mean all harmful organisms including fungi, bacteria, viruses and virus-like organisms, and weeds.

Plant breeding
Plant Breeding has been defined as the art and the science of improving the heredity of plants for the benefit of mankind.

Population
A group of individual plants having some characteristics in common, either location, family ancestry, or intended use.

Seed rate
The amount of seeds used in the sowing (e.g. 40 kg/ha).

Span length
The extent exceeded by a stated proportion of cotton fibers, eg, 2.5% span length is the length exceeded by only 2.5% of fibers by number.

Strain
see variety

Susceptibility
The inability of plants to restrict the activities of a specified pest or pathogen. Also, the inability to withstand a specific environmental or chemical stress.

Tolerance
The ability of plants to endure a specified pest, pathogen, environmental pressure or chemical stress. A tolerant variety will sustain less damage than a susceptible variety when grown under the same conditions.

Variety
A sub-division of species. Closely related plants with nearly identical characteristics, that are distinguishable from other members of the same species.

Viability
The populations ability to live, grow and develop. It is affected by physical habitat factors (climate, geology, topography, and aquatic features) and by biotic habitat factors (plant and animal populations and communities).

Vigor
Strong, vibrant germination and growth. A desirable characteristic.

Virulent
A pathogen capable of causing disease state

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