World Agrochemical Network Chinese website reported: As a green plant growth regulator, natural brassinolide has the characteristics of low cost and quick effect. It can be sprayed on leaves and roots. It is widely used in field crops and economic crops. Abiotic stresses such as low temperature, drought and high temperature have significant effects and economic value in promoting flower bud differentiation, preserving flowers and fruits, changing color and increasing sugar, soaking seeds and dressing, increasing production and income, etc.
However, foliar spraying can only exert 20% of the power of natural brassinolide, and the use of natural brassinolide in root irrigation can better exert its functions of promoting root system development, improving stress resistance, and increasing fertilizer absorption, utilization and transportation.
Natural brassinolide root irrigation is even more miraculous
The root system is the basis of plant nutrient absorption and growth and development. Most of the nutrients in the whole growth period of crops are absorbed through the root system, and then transported to other parts through the vascular bundle. Natural brassinolide has a positive effect on plant root elongation and root morphogenesis. Therefore, root application is also an important scene for the agricultural application of natural brassinolide, and even has more significant effects and greater application prospects than leaf spraying.
After 5 days of hydroponics, compared with other structures of brassinosteroids, natural brassinosteroids can increase root length by 3%-168%, root weight by 8%-49%, plant height by 5%-29%, and plant weight by 44%- 127%.
In actual planting, natural brassinolide root irrigation is widely used in: vegetable seedling stage, grape germination water, fruit expansion fertilizer, strawberry transplanting and rooting, fruit tree rooting, enhancing tree vigor, etc.
Root application example 1 to promote the growth of Panax notoginseng
【Test object】Wenshan notoginseng
【Experimental Design】Use water-soluble fertilizer + 0.0075% crystal form 14-hydroxy natural brassinolide 80ml/mu for irrigation.
【Test conclusion】The natural brassinolin treatment group has developed root system, more white roots, strong root system, early sealing and high yield. The compound brassinolide can improve the utilization rate of fertilizer and save 20% of fertilizer.
Root application example 2 to promote the growth of melon
【Test object】Melon
【Experimental design】0.0075% crystal form 14-hydroxy natural brassinolide (2000 times dilution) + high nitrogen fertilizer, root irrigation 3 days after transplanting.
【Test conclusion】 After seven days of treatment, the overall survival rate of melons was high, and the melons treated with Yitongtianxia+Yunfulai grew better, with thick stems and thick leaves.
Root application example 3 to promote the growth of leafy vegetables
【Test object】 Chinese cabbage
【Experimental Design】Water-soluble fertilizer + 0.0075% crystal form 14-hydroxy natural brassinolide 80ml/mu.
【Test conclusion】Increasing the utilization rate of fertilizer, compared with single water-soluble fertilizer, the root system is more and denser, the plant is stronger, and the yield is significantly increased.
Root application example 4 to promote tomato yield
【Test object】Tomato
【Experimental design】0.0075% crystal form 14-hydroxy natural brassinolide was diluted 3000 times.
【Test conclusion】The total number of tomato plants in the natural brassinolide treatment group increased by 14.57% compared with the water control group, which was twice that of the rooting liquid treatment group.
Brassinosterols derived from natural products are widely found in nature and plants. They have a higher affinity for plants and are widely used in crops. They can regulate plant reproductive development, seed maturation, and promote stem elongation and root morphogenesis. Play an active role in plant resistance to adversity stress. With the development of the function and application of brassinolide, brassinolide will become a billion-dollar product in the future.
At the same time, with the upgrading of agricultural product quality consumption demand, the promotion and implementation of national agricultural green development strategy and food security strategy, natural brassinolide will play an increasingly important role in promoting agricultural green development, high-quality development and enhancing agricultural value .
Source: AgroPages
