In 2021, since the implementation of the national seed industry revitalization strategy, Xin'an Group has actively participated in the pilot scientific research on the industrialization of genetically modified crops organized and implemented by the Ministry of Agriculture and Rural Affairs, and cooperated with relevant agricultural departments to go to different provinces such as Inner Mongolia, Hebei, Yunnan, and Sichuan to carry out technical guidance on drug use. In the past 3 years, it has served more than one million acres of genetically modified crops, and Xin'an glyphosate has been unanimously recognized by experts and growers of the Ministry of Agriculture for its stable quality and excellent weeding effect.
In the whole service process, Xin'an application technology team has always followed the principle of "safety and effectiveness" required by experts from the Ministry of Agriculture, provided high-quality and assured products for growers, and provided medication guidance according to the local grass phase and climate characteristics, and accumulated mature experience in scientific and safe drug use of genetically modified crops.
In March 2024, Xin'an glyphosate genetically modified crop herbicide was registered and publicized by the Ministry of Agriculture and Rural Affairs (one of the first batch), which completed the last step of China's biological breeding legal drug use, marking that the era of agricultural transgenic in mainland China is officially on the right track. In April, Xin'an's second product, Hongqi ®, was registered as genetically modified crops again, further enriching Xin'an's genetically modified crop weeding family. With the gradual expansion of the planting area of genetically modified crops in China, the risk of drug use is also expanding. How to control and reduce the risk of drug use has become a common concern of agricultural technology departments and growers in various places. In this regard, the Xin'an application technology team summarized the experience and lessons of drug use in the past three years, provided reference for farmers to use drugs scientifically and safely, and escorted safe production. 1. Before confirming the application of pesticides in the field of pesticide application, it is necessary to confirm whether the crops in the field are "genetically modified crops". From the experience of pesticide application, the killing rate of glyphosate on non-GMO crops is basically 100%, and once the wrong application will cause irreparable losses. At the same time, it is necessary to grasp the crop growth stage, generally corn 3-8 leaf stage, soybean 3-8 compound leaf stage. Special attention should be paid to the prohibition of stem and leaf spraying during the large flare stage of corn; Soybean is forbidden during the flowering period. At present, the transformers suitable for genetically modified corn and soybean are mainly concentrated in maize transformants: DBN9936 and DBN9858; Soybean transformants: DBN9004. The seeds cultivated by the above transformants can be applied with glyphosate for weed control in the corresponding crop fields. 2. Select the appropriate weeding formula According to the test, the general genetically modified crop field weeding, and the selection of "pure quality" glyphosate single agent can have a better control effect. For the selection of herbicides, it is recommended to choose products similar to Xin'an and other brand manufacturers, prepared with pure original drugs, and genetically modified registered special products, such as Xin'an Hongqi ® and Nongwang ®, to reduce the risk of drug damage caused by product impurities or hidden ingredients.
Before administering the drug, it is necessary to observe the grass phase and climatic characteristics of the plot. For different regions, different fields, different climates, and different grass phases, the dosage can be appropriately increased or decreased. If necessary, under the guidance of local agricultural technicians, after small-scale crop safety tests, the use of other herbicides will be increased to improve the control ability of resistant weeds. 3. Precautions for dispensing: The sprayer must be cleaned before use to avoid cross-contamination. In particular, the inner wall of the spray rod and the sprinkler head should be cleaned in place. For dispensing medicine, choose clean water, and do not use muddy water, muddy water and mineral water, so as not to passivate the liquid medicine and reduce the efficacy. When mixing water, the secondary dilution method is adopted, first add half a bucket of water, then add the liquid medicine, and then add half a bucket of water to make the liquid fully mixed and the efficacy is better. It is strictly forbidden to mix or use organophosphorus or carbamate insecticides within one week before and after glyphosate use. Fourth, the application precautions should be selected for spraying in sunny and windless weather, so that the spray is uniform, no leakage, and no respraying. In order to avoid drifting, it is recommended to use anti-drift sprinklers and baffles, and "drone spraying is strictly prohibited". It is recommended to apply the pesticide before 10:00 in the morning and after 15:00 in the afternoon to avoid dew and high temperature. In addition, the application process should be based on the label requirements to do a good job of personal protection. If the weeds are incomplete during application and the weeds occur again in the later stage, they can be applied twice at an interval of about 15 days. In case of long-term drought or leaf dust cover during the weed occurrence period, it is recommended to apply pesticides after rain or increase the dosage appropriately. Fifth, the sprayer must be cleaned after the end of application, and it is recommended to use a special barrel if possible. The outer packaging of pesticides should not be left in the field, causing environmental pollution.
Source丨Xin'an Group Market Application Technology Center Editor丨Nong Caijun Contact Nong Caijun丨18565265490
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