Filial generations

Filial generations

Generation after making a cross. Refer to offsprings resulting from a cross of parents, as in F1 (first filial generation), F2 (second filial generation), etc.

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Part of Speech: noun
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Industry/Domain: Agriculture
Category: Rice science
Company: IRRI
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Related terms

filial generations

Agriculture; Rice science

Generation after making a cross. Refer to offsprings resulting from a cross of parents, as in F1 (first filial generation), F2 (second filial generation), etc.

filial generation

Biology; Genome

Each generation of offspring in a breeding program, designated F1, F2, etc..

first filial generation (F1)

Biotechnology; Genetic engineering

The first filial generation in a cross between any two parents; the first generation of descent from a given mating.

second filial generation (F2)

Biotechnology; Genetic engineering

The second filial generation, produced by crossing two members of the F 1 , or by self-pollinating the F 1 . The "grandchildren" of a given mating.

first filial generation

Archaeology; Human evolution

See F1 generation.

first filial generation (Fl)

Agriculture; Rice science

Usually the hybrid between two homozygous types.

watershed

Agriculture; Rice science

The total area from which a single river collects surface water runoff; the catchment or drainage area of a river system.

watershed degradation

Agriculture; Rice science

A marked deterioration in the hydrological behavior of a river system which reduces the potential of land and water by causing a water flow of inferior quality, quantity and ...

waterlogging

Agriculture; Rice science

Impeded drainage; or soil saturated with water but not necessarily with standing water.

waterlogged field

Agriculture; Rice science

A field which continuously has standing water and cannot be drained. The water level may not be deep.

water use efficiency

Agriculture; Rice science

1). Expressed in terms of dry matter or harvested portion of the crop produced per unit of water consumed. 2). Ratio of the water used for evapotranspiration, seepage, and ...