The use of such an inhibitor is a new approach for the control of water hyacinth population without killing the plant.
The active ingredient of KWH02 formulation have the advantages of being low toxic, decomposed fast, and do not pose any risk of pollu-tion to the environment. In addition, it is also of low cast.
Its water-soluble powder formulation, in par-ticular, has a content of natural substances above 90%, and it also includes an adjuvant of plant origin, which has also been successfully used in a water-soluble powder formulation of glyphosate during the last 10 years.
Thus, the use of KWH02 has started recently for the integrated management practice of water hyacinth in Shanghai water bodies, and it gained immediate success.
next three years after this release, while no weed control was observed and no weevils were found in the other two sites (Ding et al., 2001).
Research on the use of microorganisms to control water hyacinth began in 2000 in China.
In 2003, Shanghai Jiao Tong University received the financial support from Shanghai government to develop and
test a myco-herbicide formulation for the control of water hyacinth.
At present, nine fungal species have been isolated from water hyacinth of Shanghai and Zhejiang Province, which showed various effects on the growth of water hyacinth in laboratory test.
In order to improve the quality of myco-herbicide for-mulation, particularly when it is sprayed in the field, a non-ionic tenso-active surfactant extracted from wild camellia was included.
This adjuvant should improve weed control by keeping the leaves of weed wet for even more than 5 d, a sufficient period for the fungal mycelium to infect the weed tissue.
The use of such an inhibitor is a new approach for the control of water hyacinth population without killing the plant.
The active ingredient of KWH02 formulation have the advantages of being low toxic, decomposed fast, and do not pose any risk of pollu-tion to the environment. In addition, it is also of low cast.
Its water-soluble powder formulation, in par-ticular, has a content of natural substances above 90%, and it also includes an adjuvant of plant origin, which has also been successfully used in a water-soluble powder formulation of glyphosate during the last 10 years.
Thus, the use of KWH02 has started recently for the integrated management practice of water hyacinth in Shanghai water bodies, and it gained immediate success.
next three years after this release, while no weed control was observed and no weevils were found in the other two sites (Ding et al., 2001).
Research on the use of microorganisms to control water hyacinth began in 2000 in China.
In 2003, Shanghai Jiao Tong University received the financial support from Shanghai government to develop and
test a myco-herbicide formulation for the control of water hyacinth.
At present, nine fungal species have been isolated from water hyacinth of Shanghai and Zhejiang Province, which showed various effects on the growth of water hyacinth in laboratory test.
In order to improve the quality of myco-herbicide for-mulation, particularly when it is sprayed in the field, a non-ionic tenso-active surfactant extracted from wild camellia was included.
This adjuvant should improve weed control by keeping the leaves of weed wet for even more than 5 d, a sufficient period for the fungal mycelium to infect the weed tissue.
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