Chengdu Newsun Showcases Proprietary Coronatine-Based Technology in China’s 14th Five-Year National R&D Program
As part of China’s 14th Five-Year National Key R&D Program (Project Code: 2023YFD1700600), a major field demonstration event was held on May 31, 2025, in Xiayi County, Henan Province. The event showcased the application of novel plant growth regulators (PGRs) in boosting wheat yield and resilience, supporting China’s strategic campaign to raise crop productivity through innovation.
Organized under the technical guidance of the National Agro-Tech Extension and Service Center and carried out by the Henan Provincial Plant Protection Station and Xiayi County Agriculture Bureau, the event demonstrated the real-world impact of multiple advanced PGR solutions. A focal point was coronatine, a microbial-derived plant growth regulator developed and industrialized by Ciência de Cultivos Chengdu Newsun Co., Ltd.
In wheat demonstration plots in Xiayi County, Henan Province, fields treated with coronatine achieved an average yield increase of 12.65% compared to untreated controls. The treated crops exhibited strong vigor, uniform maturity, and golden, well-filled grains. No lodging or premature senescence was observed, and the incidence of diseases such as loose smut was significantly reduced. Experts noted coronatine’s strong potential for improving yield stability and stress resilience under challenging field conditions.
“Coronatine is a powerful example of how biotechnological innovation can directly benefit staple crop productivity,” said Dr. Jin Huang, Head of the Bio-regulation & Biostimulant Innovation Center at Chengdu Newsun. “Our institute has worked extensively on translating fundamental bioscience into practical, field-ready solutions. This trial proves coronatine’s unique value for large-scale production systems.”
Coronatine is a next-generation plant growth regulator that mimics natural jasmonic acid signaling pathways, enhancing plant defense responses and physiological resilience. In addition to wheat, it has demonstrated strong performance in promoting seed germination under low temperatures, improving drought tolerance, and increasing yield in major grain and oilseed crops.
Coronatine’s biological mechanism has been described in recent scientific literature. A recent study published in Plant Physiology by Professor Duan Liusheng’s team at China Agricultural University revealed that coronatine modulates internode elongation and cell development by regulating antagonistic bHLH transcription factors through brassinosteroid signaling.
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