In the process of planting Atractylodes, there is often a good growth of the atractylodes grown in the respondents' fields. In recent days, the wilting phenomenon has gradually increased. In a few days, it gradually died, the roots were removed, the tubers have been covered by white hyphae, and the tubers are opened. It’s already rotten, what's the matter? Let's get to know it.
1. Atractylodes root disease prevention and treatment
Atractylodes rot, such as Fusarium, Phytophthora and Pythium, are contagious. Therefore, once you find that Atractylodes has this phenomenon, you should immediately remove it (do not feel bad), put it in a bag, and bring it to the field. Destruction processing. Otherwise, once it rains, it will infect nearby healthy Atractylodes lancea plants, which is why a total of Aries has died. The growers should also remember to remove the Atractylodes macrophylla and apply the fungicide for watering. Otherwise, once it meets the rainy days, the bacteria remaining in the soil will continue to rag.
2, Atractylodes macrophylla rot prevention
If Baizhu is infected with root rot in the later stage, the symptoms of the vascular bundle will be brown, spreading from the bottom to the plant, the roots will be brown and gradually dry, and then the roots and tubers will be damaged. The severe atractylodes will rot and open the tubers. The cut surface has a distinct brown disease ring. A major cause of the incidence of Atractylodes Rhizome root rot (non-seedling pathogens) is excessive humidity. If there is too much rain, the average temperature starts to occur at 17 degrees Celsius, and 26 degrees Celsius is the most suitable disease. Therefore, in this environment, It is necessary to prevent the root rot of Atractylodes in advance.
3, Atractylodes blight prevention
Atractylodes blight, also known as card neck disease, rotten stem stalk, rotten neck disease, etc., is a disease caused by the fungus semi-bacterial bacterium Rhizoctonia solani, which is manifested in the base of the stem of the plant and can also harm the root of Atractylodes macrocephala. If it is not timely prevented, it can also cause a large area of ​​death in Atractylodes to be the second biggest killer of Atractylodes macrocephala. The outbreak of Atractylodes blight is also conditional. The growers can observe the weather conditions for early prevention and control. For example, in the spring seedling period, when it is cold and rainy, it is necessary to be alert to the occurrence of albino blight, especially when the temperature is around 24 °C. It is easier to be suitable for the occurrence of blight.
4, Atractylodes root rot application
Atractylodes root rot, we must master the application method, it is best to use the method of root irrigation, so that the liquid directly contact the root affected area, so the sterilization is relatively straightforward, the commonly used agents are: humic acid copper , Jinggangmycin + Bacillus subtilis, thiram + carbendazim, captan, Bacillus subtilis, metalaxyl + carbendazim. You can also use the mixed soil of thiram + fumei zinc and copper acetate for spreading. The application should be carried out before the rain. If there is no rain in the weather, the medicine can enter the soil layer by irrigation. The direct effect of full sterilization.
The above is the introduction of Atractylodes root rot, what else do you have to add to Atractylodes root rot?
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