With the development and progress of modern society and the improvement of the level of civilization, the application of pesticides in non-agricultural fields is also an important concern of the world's major agrochemical companies. The major share of the agricultural herbicide market is increasingly important. It is necessary to strengthen the user's rational use and awareness of herbicides. The national farmland weed resistance control technology seminar was held in Changsha City, Hunan Province from June 28 to 29, and plant protection from 28 provinces (autonomous regions and municipalities). The technical leaders of the station, experts and scholars from 28 research and teaching units such as the Institute of Plant Protection of China Academy of Agricultural Sciences and China Agricultural University, and representatives of 16 pesticide companies attended the meeting. Professor Zhang Chaoxian, Chairman of the Weeds Branch of the China Plant Protection Society, and Professor Bai Lianyang, Secretary of the Party Committee of the Hunan Academy of Agricultural Sciences attended the meeting. Zhong Tianrun, deputy director of the National Agricultural Technology Center, made a concluding speech.
Participants observed the demonstration site of weed resistance control, listened to the special report made by 13 experts in the field of weed control technology research and promotion, summarized and exchanged the status quo and prevention and control technology of farmland drug-resistant weeds in recent years. Progress, we have studied the monitoring and control strategies of weed resistance. Everyone unanimously reflected that the seminar was attended by a wide range of participants, the expert report was wonderful, and the site was rich in content. This event will have a positive effect on further improving the resistance of farmland weeds in China.
Participants believe that the use of herbicides has the advantages of labor saving, time saving, high efficiency and quickness. It is also the most important means of controlling weeds in farmland and is popular among farmers. The proportion of herbicides will be further increased in the future. . However, the problem of weed resistance is now prominent, posing a serious threat to agricultural production and food security. At present, the occurrence of drug-resistant weeds in farmland has the following characteristics: First, there are many types of occurrence. Most crop field weeds, such as rice, wheat, corn, soybeans, vegetable fields and orchards, have reported and reflected weed resistance, and grasses, broadleaf, sedges and other three types of weeds have been Weeds were found to be resistant, and there were many types of weed herbicides. At present, farmland weeds in China have developed resistance to some varieties of 12 herbicides. Second, the use of herbicides increased. Due to the resistance of weeds, farmers often blindly increase the amount of herbicides for better control, increase the risk of crop phytotoxicity and environmental pollution, and cause phytotoxic accidents. Third, the damage of drug-resistant weeds is large. The emergence of weed resistance makes the use of herbicides a huge challenge. In the past, herbicides with good control effects could not be used in production, while resistant weeds replaced herbicides with less varieties, increased difficulty in prevention, and large loss of weed damage. .
In the summary, Deputy Director Zhong Tianrun emphasized that in the future, the types of drug-resistant weeds in China will increase rapidly and the harm will increase year by year. Therefore, it is necessary to attach great importance to the development and application of drug-resistant weed monitoring and treatment technology. First, earnestly grasp the monitoring work of weed resistance. Mainly to do a good job monitoring of key areas, key farmland, and important weed resistance, and strengthen the development of resistant weed monitoring standards and research and development of farmland weed resistance testing technology to improve the monitoring level of farmland weed resistance in China. Comprehensive management and scientific and safe use of herbicides provide the basis. The second is to strengthen the research on resistance management technology. It is necessary to carry out research on the dynamics and biological characteristics of resistant crop weeds in key crops, strengthen the mechanism of resistance to weed resistance, prevent and control mechanisms, and prevent and control operational procedures, and explore effective technical measures for prevention and control. In particular, it is necessary to strengthen the testing, demonstration and screening of safe and efficient new herbicide varieties, and timely recommend safe, efficient, economical and environmentally friendly new herbicide varieties and their use techniques to the society. At the same time, we must also do a good job of herbicides. Reduced use of technology development to reduce the occurrence of phytotoxicity and delay the emergence of resistance. The third is to vigorously promote the application and application of weed resistance control technology. The agricultural technology promotion department must conscientiously implement the “prevention-based, comprehensive prevention†plant protection policy and scientific plant protection, green plant protection, public plant protection, promote physical, agronomic, biological, and chemical control technologies according to local conditions, and actively carry out technical guidance and publicity training. . It is necessary to strengthen cooperation and exchanges between agriculture, science, education, and enterprises, accelerate the development and promotion of resistant weed control technologies, and actively develop the development of agricultural production in China and achieve the goal of “zero growth of chemical pesticides by 2020â€. contribution.
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Meat product lighting is a lighting solution specifically designed for the environment in which meat products are displayed and sold. It aims to highlight and accentuate the texture, color, and freshness of meat products by providing appropriate lighting to attract customer's attention and boost sales.
The design of meat display lighting takes into account several factors. The first is the meat case lighting intensity and color reproduction ability. Meat products need plenty of light to show off their true color and texture while highlighting freshness. By choosing lamps with a high color rendering index, you can ensure that meat products present a more realistic, natural color.
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