Mustard planting: what harm does Sclerotinia sclerotiorum do to heart mustard?

What harm does Sclerotinia sclerotiorum do to heart mustard? How to control Sclerotinia sclerotiorum with heart mustard? Netizens are also asked to help introduce the harm of Sclerotinia sclerotiorum to heart mustard: Sclerotinia sclerotiorum is mostly infected from the base of stem and petiole of outer leaves, and the initial spot is water-stained grayish brown to yellowish brown, which develops rapidly in all directions, making the disease part irregular rot. With the development of the disease, dense floc-like white mold was produced on the surface of the diseased tissue, and then turned into black sclerotia. Sometimes multiple outer leaves are infected at the same time, the diseased plant is necrotic and folded in a short period of time, the stem gene is rotten and empty, and the sclerotia is produced in the pith in the later stage, resulting in wilting and necrosis of the whole plant. Prevention and control of Sclerotinia sclerotiorum of heart mustard: select seeds with 10% salt water, remove sclerotia, and then rinse the seeds with clean water. Avoid continuous cropping, apply sufficient base fertilizer, increase phosphorus and potassium fertilizer, and pay attention to drainage. At the initial stage of the disease, 50% promethrin or 50% propofol can be sprayed with 1000 × 2000 times of water, 50% carbendazim with water, 50% carbendazim with water, and 40% sclerotia with 1000 times of water. When spraying, focus on spraying the base of the plant stem, old leaves and the ground, once every 5-7 days, 3 times in a row. Click to get more mustard planting techniques click to get more vegetable planting techniques