Breakthrough in research on bio-pesticide oligosaccharide activators in China

The research on bio-pesticide oligosaccharide activators in China has made breakthroughs, and pest control can be done without pesticides . Recently, Professor Zhu Yuliang of Nanjing University of Technology discovered a new method for mass production of oligosaccharides, which greatly simplified the synthesis steps, reduced the cost of synthesis, and enabled the preparation and industrialization of biopesticide-oligosaccharide activators from the source. Solving the problem of pesticide residues is expected to allow people to eat real green food.

Oligosaccharide activator is a plant immune activator made of pure glucose, which has a significant impact on plant infection, growth and morphogenesis. The plant immune activator is produced by the plant itself. By activating the plant's self-defense immune system, it produces enough phytoalexin to resist the infection of the bacteria, and can effectively prevent rice blast, cotton blight and other diseases of crops and vegetables, and can Regulate and promote plant growth. It has no residue during use, does not pollute the environment, and is harmless to human health. Sprayed on crops such as fruits, vegetables, tea, tobacco, etc. with a very low concentration of oligosaccharide activator (1g plant immune activator can be applied to 50 acres), it can produce enough phytoalexin to fight disease. The cost of using farmland is less than 20 yuan, while the use of chemical pesticides costs at least 100 yuan per mu.
As early as 2000, Zhu Yuliang and the research team began experimenting with oligosaccharides in the Chinese Academy of Sciences, and achieved initial success in a small-scale industrial base. After years of repeated exploration and experimentation, Professor Zhu Yuliang has made innovative research and major improvements on the synthesis process, using less protected sugar as raw material to synthesize oligosaccharides, which greatly simplifies the synthesis step and conveniently and quickly obtains a single pure target compound. , reducing the cost of synthesis (its cost is 30% lower than similar products), enabling industrialization. This is by far the most succinct and practical method for synthesizing hexoses and their conjugates at home and abroad. The project products are also the most efficient of the phytoalexin activators that have been found so far (1 gram of oligosaccharide activator can make 1000 tons of crop tissue). Produce a sufficient amount of phytoalexin).

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