Instar

Instar

The stage of an insect between successive molts, the first instar being the stage between hatching and the first molt.

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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

instar

Biology; Parasitology

The growth period between molts. (The term is usually applied to arthropods.) Intermediate Host One that alternates with the definitive host and harbors the larval stage (s) of ...

instar

Natural environment; Coral reefs

A discreet, in-between molt stage, during the metamorphosis of an arthropod from larva to adult.

instar

Plants; Plant pathology

One of the stages of growth between molts, in the life history of certain insects.

instar

Agriculture; Rice science

The stage of an insect between successive molts, the first instar being the stage between hatching and the first molt.

instar

Animals; Insects

The stage in an insect's life history between any two moults. A newly-hatched insect which has not yet moulted is said to be a first-instar nymph or larva. The adult (imago) is ...

instar

Biology; Entomology

The stage in an insect's life history between any two moults. A newly-hatched insect which has not yet moulted is said to be a first-instar nymph or larva. The adult (imago) is ...

watershed

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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 ...

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Agriculture; Rice science

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

waterlogged field

Agriculture; Rice science

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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 ...