In recent years, tomato virus disease has been severe in early spring, which has led to a decline in the yield and quality of tomatoes, which has caused large economic losses to vegetable farmers. There are two main reasons for this: First, the spring climate is arid and a large number of locusts occur, spreading viruses on some overwintering plants to tomatoes. The second is that high-temperature light and drought make it difficult to adapt plants that have just been transferred from protected land to field. The prevention and control methods of early spring tomato virus disease are described as follows:
1. The withdrawal time will depend on the weather. Normally, when the temperature is lower than 10°C at night, it is not suitable to withdraw the shed. At this time, the amount of ventilation should be increased to prolong the release time. In the sunny morning, when the temperature of the shed reaches around 28°C, it begins to let off, and in the afternoon, it tries to put out the air outlet as late as possible. After entering the result period, the night temperature in the shed should be controlled at about 13°C. The second is under the conditions of high temperature and strong light, should be released around the wind, so that the film can only cover the glare, to avoid burning the plant, the place where conditions can be sunny 10:00 am to 4 pm with shade net shade.
2. Remove weeds and other crop residues around the production site in a timely manner to reduce the source of the disease.
3. Cut off the virus transmission route. Every 7 to 10 days, spray once-daily net, Qishaosu, Kangweiwei, Xieli and other liquids to kill aphids to prevent the spread of the virus.
4. Chemical control. At the beginning of the disease, the disease was sprayed once with a solution of phytopathogenic spirit, virus A, virus quick killing, and antivirus scorpion, and sprayed for 2 to 3 times. In combination with spraying, auxin, potassium dihydrogen phosphate and other solutions should also be sprayed to enhance plant disease resistance.
Ceramic tea mugs have a jade appearance, healthy and sanitary material, cheap and fine characteristics. Ceramic is made from natural minerals, and its chemical composition evaporates after more than 1,000 degrees of heat is added to the glaze. Compact structure, small nano molecules are not suitable for water, high density. So Ceramic Tea Mug is very healthy.
Features of jingdezhen porcelain teacups: 1. Beautiful appearance: delicate and transparent porcelain, beautiful and elegant appearance, colorful face like jade, colorful face. 2. High grade: currently, it is the only high-grade porcelain in the world, which is of double value in both use and art.
Joy Tea Co.,LTD. has a professional design team, which can be customized for you. Welcome you to visit our company. For inqury, please send mail directly.
Ceramic Tea Mug
Ceramic Tea Mug,Ceramic Tea Cup,Custom Ceramic Mug,Lovely Ceramic Mug
JOY TEA CO., LTD. , https://www.joyteaco.com