(+)-Abscisic Acid丨CAS 21293-29-8

(+)-Abscisic acid丨CAS 21293-29-8, is a naturally occurring plant hormone crucial for regulating various physiological processes, particularly in response to environmental stress. It is a sesquiterpenoid compound that acts primarily as a stress hormone, controlling plant water relations, seed dormancy, and developmental processes. ABA plays a vital role in helping plants survive adverse conditions such as drought, salinity, and cold.

A. Enhancing Plant Stress Tolerance

(+)-Abscisic acid丨CAS 21293-29-8 is widely used to induce and improve tolerance to abiotic stresses including drought, salinity, cold, and heat.

Application of ABA triggers stomatal closure, reducing water loss through transpiration during drought stress.

It enhances osmoprotectant accumulation, antioxidant enzyme activities, and stress-related gene expression, improving plant survival under harsh conditions.

Useful in agriculture and horticulture for protecting crops during periods of water deficit or temperature extremes.

B. Regulation of Seed Dormancy and Germination

ABA maintains seed dormancy, preventing premature germination during unfavorable environmental conditions.

Treatment with ABA can be used to control and synchronize germination timing in seed production and storage.

Important in forestry and crop seed management to improve seed viability and storability.

C. Fruit Ripening and Quality Control

ABA influences fruit maturation, coloration, and sugar accumulation in many fruit crops.

Applied in postharvest treatments to control ripening, extend shelf life, and improve fruit quality in crops like grapes, tomatoes, and citrus.

Used to promote color development (e.g., red pigmentation) in fruits such as apples and grapes.

D. Growth Regulation

ABA inhibits shoot and root growth under stress conditions, conserving energy and resources.

Used in controlled environments to modulate plant development for desired phenotypes, such as compact growth or delayed senescence.

E. Research and Biotechnology

ABA is essential in plant physiological and molecular research to study stress responses.

Applied in tissue culture to induce stress tolerance or modulate growth during in vitro propagation.

ABA analogs and derivatives are also investigated for crop improvement and stress management.

A. Improves Drought and Stress Resilience

By regulating stomatal closure and activating stress defense pathways, ABA enhances plant resilience to drought and environmental stresses.

Helps reduce yield losses due to water scarcity and adverse weather events.

B. Controls Seed Dormancy and Germination

Enables better seed handling and storage by preventing untimely germination.

Supports synchronized and uniform crop establishment.

C. Enhances Fruit Quality and Shelf Life

Improves fruit pigmentation, sweetness, and overall market appeal.

Extends postharvest life by delaying over-ripening and spoilage.

D. Environmentally Friendly

ABA is a natural plant hormone and biodegradable.

When applied at proper rates, it is safe for plants, animals, and the environment.

(+)-Abscisic acid丨CAS 21293-29-8 is a fundamental plant hormone that plays a critical role in stress tolerance, seed dormancy, and fruit quality. Its applications in agriculture and horticulture focus on enhancing plant resilience to environmental stresses, improving seed management, and controlling fruit ripening. As a natural, biodegradable compound, ABA aligns with sustainable crop production goals. Continued research and technological advancements promise to expand its utility in modern plant science and agriculture.