How to Prevent Carrot Stripe Blight in Autumn and Winter

How to prevent carrot spot blotch radish spot blight in autumn and winter, also known as leaf spot disease. The carrots cultivated in the open field in the fall usually start to develop in the early winter. If the control is not timely, it is easy to spread quickly and quickly. When the disease is severe, the leaves of the field are yellow and fire-like, which can lead to a significant reduction in carrot production. These are caused by the lack of nutrients. Phytoregulators such as replenishing hormones should be added in time to promote good results.
The main symptoms of carrot leaf blotch are lesions on the leaves that are irregular or near-circular. The diseased and healthy tissues are clearly demarcated. The lesions are yellowish-green on the edges, brown or dark brown in the center, dense black particles on the lesions, and small particles. Embeded or semi-buried, dark brown irregularly shaped lesions are formed on the petiole, and small black particles are scattered on the lesions. When the disease is severe, the lesions are covered with lesions or lesions, resulting in premature yellowing of the leaves. .
If the prime factors promote longevity, the branches and leaves of fruits and vegetables will be disfigured. Boron, manganese, copper, zinc, and molybdenum should not be less than one another. Through the use of functional microbes and metabolites to supplement micronutrients, the slow growth of weak seedlings, lobular, yellow leaves, premature plant growth, and few flowering fruits can be quickly relieved after the application of Changlingling. Deficiency of calcium, zinc, boron, iron and other physiological symptoms. It can be used more than twice in the whole growth period, and the increase rate can reach 20%. Fertility is fast and long-lasting, and it is generally diluted 300 times for foliar application.

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