The main diseases of garlic planting: leaf blight, purple spot, rust, blight, gray mold, sclerotinia, white rot, bacterial soft rot, root knot nematode, viral disease. Below, Xiaobian brings everyone to identify common diseases of garlic, it is recommended to collect! Leaf blight Typical symptoms Mainly harmful to leaves and pedicels; Leaf lesions begin to appear white small dots, then expand into stripe type, or purple spot type, black mold on the diseased part; The peduncle is infected, it is easy to break from the diseased part, and the black small grain spots are scattered on the diseased part in the later stage. Purple spot Typical symptoms Mainly harmful to leaves and pedicels; The onset begins mostly from the tip of the leaf or the middle of the peduncle; Small white spots with a slight depression in the beginning, the center is slightly purple, enlarged and then spindle-shaped, with concentric wheel patterns; When the humidity is high, the diseased part has black mold. Rust Typical symptoms Mainly harmful to leaves, pseudo stems; The diseased part showed chlorotic spots at first, and then a raised spore pile appeared under the epidermis; There is a yellow halo around the lesion. Blight Typical symptoms Mainly harmful to the leaves; First from the tip of the leaf, or in the middle of the blade; Initially white to yellow water-immersed lesions; When the humidity is high, the lesion develops rapidly, and at the later stage, half of the leaves are caused, or the entire blade is dead. Gray mold Typical symptoms Mainly harmful to the leaves; Initially, chlorotic leukoplakia is formed on both sides of the leaf tip, and then expanded into a fusiform plaque; In severe cases, the leaves are yellow; When the humidity is high, the leaves rot and die. Sclerotinia Typical symptoms Mainly damaging the base of the pseudostem and the bulb; The initial diseased part is water-immersed, then darkens and ulcers rot; And accompanied by a strong smell of garlic; When the humidity is high, the disease minister produces a white hairy hyphae; After the leaf sheath rots, the upper leaves are wilting and gradually yellowing and dead; The garlic is scattered, the garlic roots and the root disk are rotten. White rot Typical symptoms Serious in spring; Mainly endangering leaves, leaf sheaths, bulbs; The onset of the leaves, the outer leaves are sharp and yellow, gradually developing the leaf sheath and the inner leaves, and the yellow leaves die in the later stage; On the path of bulbs, the epidermis of the diseased part is water-immersed, with a gray-white mycelium layer on it, which is white rot, and also produces black small sclerotia; The field often died in pieces. Bacterial soft rot Typical symptoms Mainly harmful to the leaves; Start from the lower leaves; Yellow-white streaks appear from the leaf margin or midrib at the beginning; When the humidity is high, the diseased part is yellowish brown and wet, and finally the whole plant is dead. Root knot nematode Typical symptoms Mainly harmful to the roots; After the diseased roots and lateral roots are infected, the root knots of different sizes are produced; The upper part of the leaves is wilting at noon, or gradually yellowing. Viral disease Typical symptoms In the initial onset, intermittent yellow spots appear along the veins, and then become yellow-green stripes; The plant is dwarfed, and the heart leaves are encased by adjacent leaves, which are curled and deformed; The stem is damaged, the internodes are shortened, and the strips are stalk-like. The above are the typical symptoms of 10 kinds of diseases commonly found in garlic planting compiled by Huinong. The growers can judge the disease situation of their own garlic planting and treat the disease early this time according to the description and picture information in the article. Baby Monitor,Indoor Home Baby Monitor,Camera Baby Monitor,Wireless Video Baby Monitor Shenzhen Zuomi Technology Co., Ltd. , https://www.zuomicamera.com
