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Abiotic Stress Research Glossary

564 terms total — 24 showing — Last updated 27 Oct 2026

Metabolic quiescence

Basic Technical IVT

A dormant state in which organisms drastically reduce metabolic activity and energy consumption to survive prolonged abiotic stress. This reversible condition allows survival during unfavorable environmental periods with minimal resource depletion.

Showing 337–360 of 564

The ability of a plant genotype to express multiple phenotypes in response to different abiotic stress conditions withou...

phenotyping

Basic Technical

The systematic measurement and analysis of observable plant characteristics in response to environmental conditions.

Phloem sap mobility

Basic Technical IVT

The movement and transport of carbohydrates, amino acids, and signaling molecules through the phloem tissue from source...

The reduction in the quantum yield of photosystem II caused by stress-induced damage to photosynthetic apparatus, measur...

Photochemical quenching

Basic Technical IVT

The process by which absorbed light energy is utilized for photosynthetic electron transport and CO2 fixation, measured...

A fluorescence parameter measuring the proportion of absorbed photons used in photochemical reactions versus non-photoch...

Photoinhibition

Basic Technical IVT

The reversible or irreversible damage to photosynthetic apparatus, particularly photosystem II, when light energy exceed...

Photoinhibition recovery

Basic Technical IVT

The restoration of photosynthetic capacity following light-induced damage to photosystem II, mediated by D1 protein degr...

The temporal dynamics of photosynthetic apparatus repair following photodamage caused by excessive light or combined lig...

The speed at which photosynthetic capacity is restored following light-induced damage to photosystem II, measured as the...

The light intensity or duration beyond which photosynthetic damage occurs due to excessive photon absorption outpacing t...

A photoprotective process where excess light energy is dissipated as heat through non-photochemical quenching pathways,...

Photooxidative damage

Basic Technical IVT

Cellular injury resulting from excessive light energy and reactive oxygen species (ROS) production that overwhelms antio...

Photooxidative stress

Basic Technical IVT

Cellular damage resulting from excessive light energy that generates reactive oxygen species through photosynthetic elec...

The physiological adjustments plants undergo when exposed to abnormal day-length conditions that deviate from species-sp...

Photoprotection

Basic Technical IVT

The physiological and biochemical mechanisms that prevent or minimize photodamage to photosynthetic apparatus under exce...

Photoprotection mechanism

Basic Technical IVT

Physiological and biochemical processes that protect photosynthetic machinery from photodamage by safely dissipating exc...

Photoprotective mechanism

Basic Technical IVT

The suite of structural and biochemical adaptations that dissipate excess light energy as harmless heat and prevent phot...

The synthesis and localization of non-photosynthetic pigments such as anthocyanins, carotenoids, and flavonoids in plant...

The enhanced synthesis and accumulation of carotenoids and xanthophylls in response to excessive light energy during abi...

A dynamic interconversion mechanism of xanthophyll pigments (violaxanthin, antheraxanthin, zeaxanthin) that dissipates e...

Photorespiration rate

Basic Technical IVT

The metabolic pathway in plants where RuBisCO catalyzes oxygenation of ribulose-1,5-bisphosphate instead of carbon dioxi...

A stress-induced reduction in photosynthetic capacity and efficiency, typically through decreased Rubisco activity, chlo...

The reduction in photosynthetic capacity and rate of carbon fixation that occurs as a plant's protective response to abi...

Showing 337–360 of 564

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