6-chloro-1,3-dimethyluracil is an important pharmaceutical intermediate, which has become a key pharma intermediate with great potential in medical chemistry because of its simple structure, stable chemical properties and strong reactivity. With the development of chemical synthesis technology, some small molecular compounds with high activity have gradually become important candidate molecules for plant growth regulators.
Specific application of 6-chloro-1,3-dimethyluracil in plant growth regulators
Promote seed germination
The germination of plant seeds is a key link in agricultural production, which directly affects the yield and quality of crops. 6-chloro-1,3-dimethyluracil can promote seed germination through the following mechanisms:
Activation of cytokinin signaling pathway: Stimulate the division and expansion of embryo cells.
Improve the metabolic activity of seeds: promote the decomposition and transformation of nutrients in seeds and provide energy for embryo growth.
In the experiment, rice, wheat and corn seeds treated with 6-chloro-1,3-dimethyluracil showed higher germination rate and germination potential.
Promote plant growth and development
6-chloro-1,3-dimethyluracil also showed significant regulatory effect in the growth stage of plants:
Stem and leaf growth: By stimulating the synthesis of endogenous Auxin, the stem elongation and leaf enlargement are promoted.
Root system development: enhance root cell division, increase the number of lateral roots and root hairs, thus improving the water and nutrient absorption capacity of plants.
Improve photosynthetic efficiency: increase chlorophyll content and improve the utilization rate of light energy of plants.
Enhanced resistance
Plants will produce stress response under drought, salinity and high temperature, which will affect their growth and yield. 6-chloro-1,3-dimethyluracil can enhance plant stress resistance by regulating hormone balance and metabolic pathway;
Anti-drought: improve the water retention capacity of plants and reduce transpiration and water loss.
Salt-alkali resistance: promote the selective absorption of ions by roots and reduce the toxicity of salt ions.
Anti-high temperature: Induce the expression of heat shock protein and protect cell membrane and protein structure.
Regulating the flowering and fruiting of crops
6-chloro-1,3-dimethyluracil can regulate the flowering time and fruiting quantity of plants, which has an important influence on the yield and quality of cash crops;
Flowering induction: By regulating the ratio of auxin and gibberellin, the flowering stage of plants is accelerated.
Improve fruit setting rate: promote pollen vitality and improve fruit formation rate and uniformity.
Improve fruit quality: enhance the accumulation of sugar and secondary metabolites, and make the fruit sweeter and more storable.
Application prospect and research direction of 6-chloro-1,3-dimethyluracil
Combined application with other plant hormones
6-chloro-1,3-dimethyluracil can be combined with traditional plant hormones such as auxin, cytokinin or abscisic acid to produce synergistic effect and improve comprehensive regulation ability.
Development of new sustained-release preparations
By loading on porous materials or nano-carriers, slow-release plant growth regulators are developed to improve the duration and reduce the dosage.
Optimization based on molecular design
6-chloro-1,3-dimethyluracil derivatives with higher activity, lower toxicity and stronger targeting were developed by directional chemical modification technology.
Biotechnology combination
In the research and development of transgenic plants or biostimulants, 6-chloro-1,3-dimethyluracil is introduced as the core functional component to improve plant productivity.