There have been 18 self-developed pesticides by China with expired registrations of technical as of Nov. 2013, according to CCM's collected statistics. Among which, 5 were fungicides, 5 insecticides, 5 herbicides and 3 growth regulators, according to CCM's December issue of Crop Protection China News.
ZJ0712 (Chinese name: Benmijunzhi)
ZJ0712, namely E-2[2-(2,5-dimethyl-phenoxy)-phenylmethyl]-3-methoxy-acrylic acid methyl ester, was jointly developed by Zhejiang Chem-Tech Group Co., Ltd. (Former name: Zhejiang Chemical Industry Research Institute, ZCIRI for short) and Zhejiang Hetian Chemical Co., Ltd. (Zhejiang Hetian) during the 9th Five-year plan period (1995-2000). ZJ0712 is a methoxyacrylate fungicide with excellent control effect on powdery mildew of wheat and apple, downy mildew of cucumber, grape and litchi, anthracnose of watermelon and mango, etc. It stimulates crop growth as well.
According to Mr. Lu, a sales manager from Zhejiang Hetian, the company had achieved Chinese invention patent (patent number: ZL 03120882.7) and world intention patent (WO2004084632) for ZJ0712. According to the ICAMA, Zhejiang Hetian had obtained temporary registration certificates for ZJ0712 technical (98%) and its 10% SC in 2008, but these two registrations both expired in Aug. 2011 without renewal.
Propamidine
Propamidine, an amidine fungicide with high control effects on downy mildew, phytophthora, anthracnose, etc. especially gray mold, was innovated and developed in 2004 by Zhang Xing, professor from Northwest A&F University.
Professor Zhang cooperated with Shaanxi Yangling Pesticide Chemical Industry Co., Ltd. (Yangling Pesticide) to realize propamidine commercialization in 2004. Two temporary registrations have been obtained, for propamidine technical (No.: LS20040092) and 2% AS (No.: LS20040130) respectively. However, the temporary registrations were not extended due to the limited promotion of the product in the market, as Yangling Pesticide doesn't have wide sales channels and sufficient capital for its promotion. Now Professor Zhang is seeking for other cooperators. Except for propamidine, Professor Zhang also developed a series of propamidine derivatives which were claimed to be great market potential as fungicides.
Ascomycin (SPRI-2098)
Ascomycin, a novel low residue bio-fungicide developed by Shanghai Pesticide Research Institute (SPRI), is highly effective for the control of botrytis cinerea on various crops, such as tomato, cucumber, strawberry, eggplant and summer squash.
In Aug. 2004, a company named Shanghai Nanshen Science & Technology Development Co., Ltd. registered ascomycin technical (94%) and its 1% EC, according to the ICAMA. In 2007, the company didn't get the renewal for these registrations any more.
Subsequently, SPRI transferred the property right of ascomycin to Zhejiang Hisun Chemical Co., Ltd. (Zhejiang Hisun). Then, Zhejiang Hisun obtained two registration certificates of ascomycin (also 94% technical and 1% EC) in Dec. 2007 and March 2009 respectively. Whereas, it was frustrated that Zhejiang Hisun gave up the registration renewal in 2010 and 2011 respectively.
Methiopyrsulfuron (HNPC-C9908)
Methiopyrsulfuron is a sulfonylurea herbicide developed by HRICI. HRICI was cooperating with a company in methiopyrsulfuron commercialization. Hunan Haili registered 95% methiopyrsulfuron technical (Reg. No.: LS20060244) and methiopyrsulfuron 10% WP (Reg. No.: LS20060229) in 2006, which both expired. The latter was registered for post-emergence control of broad-leaf weeds and some grassy weeds in wheat fields. Methiopyrsulfuron got patent in China in 2003 (Patent Number: ZL00113423.X).
Clacyfos (HW02)
Clacyfos, developed by the Central China Normal University in 2009 under the code name of HW02, is a phosphonate ester of the phenoxyacetic herbicide. As a herbicide with independent intellectual property rights, clacyfos owns a very good capacity in managing annual broadleaf weeds and some monocotyledonous weeds in the field of corn, wheat and lawn, orchard and tea garden, such as amaranthus retroflexus, acalypha and abutilon. The mechanism of action of clacyfos is the inhibitor of pyruvate dehydrogenase. Shandong Qiaochang secured the temporary registrations of clacyfos (93% technical and 30% EC) in 2007.
Table of Contents of China Crop Protection Monthly Report 1312:
Registered Chinese herbs used as pesticides
Potential pesticide ingredients developed by China are to enter market in the future
Introduction to self-developed herbicides by China with valid registrations
18 self-developed pesticides without renewal of technical registrations
Introduction to self-developed insecticides by China with valid registrations
Introduction to self-developed fungicides by China with valid registrations
Pesticide innovation in China
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