First, the gray mold of leek
Symptoms mainly harm the leaves. At the time of initial onset, the affected leaves had white to light gray-brown dots, usually more frontal than the back, and as the disease progressed, the spots gradually expanded and merged with each other or showed oval-shaped, eyed prism-shaped large spots until the half leaves. Or whole leaf rot. When the humidity is high, the lesions may produce a brownish brown villous mold layer or become rotten, sticky, and black. Knife cut mouth is susceptible to disease, rot down after infection.
The control technology uses 20% silver fruit 500 times liquid or 75% fast speed net 500 to 600 times liquid to spray alternately. It mainly sprays on the newly sprouted leaves and the surrounding soil, sprays once every 7 days, and continuously sprays 3 to 4 times.
Second, the leek disease
At the beginning of the symptoms, it was a dark green water-stained lesion. The diseased part contracted and the leaves turned yellow and withered. When the weather is wet, the lesions are soft and rot, and there are gray creams. Leaf sheath damage was brownish watery lesions, soft rot, leaf stripping, bulbs, root hairs were significantly reduced, affecting the absorption and accumulation of nutrients.
Control technology in the early stage of disease, alternating with 72% Kelu 600 times liquid and 52.5% fast net 2000 times liquid, alternately 7 days 1 time, continuous prevention and control 3 times, or when planting with the above liquid rubbing roots are effective .
Third, Sclerotinia sclerotiorum disease
Symptoms mainly harm the leaves, leaf sheaths, and "pseudo-stems." The affected area became brown and rot and eventually the plant died. The disease department is wrapped by cotton-wool mycelium, with a small sclerotium of raw vegetable-like sclerotia, young nucleus milky white or yellowish-white, and old mature sclerotia brown tea, which is easy to fall off.
The control technology was sprayed with 50% procymidone 500 times solution, once every 7 to 10 days, and even sprayed three times, focusing on spraying the plant base.
Four, wilt blight
Symptoms In the hot summer season, sudden outbreaks may occur within 2-3 hours after a rainstorm. In the middle of the leaf blade or in contact with the tip of the ground, water-like symptoms occur. In severe cases, this symptom occurs in all leaves, and then it completely withers. Although the diseased roots can sprout new strains, the disease can continue to develop, and it can only slowly develop after autumn. Recovery has a great impact on production.
Prevention and control technology before the onset or early onset of the disease with Fortune 8000 times plus 60% imported carbendazim 400 times watering.
V. Leek rust
Symptoms mainly damage the leaves and pedicels. In the early stages of the disease, they produce spindle-shaped to oval-shaped orange-colored bulges on the epidermis. Lesions can occur on the front and back sides of the leaves. In severe cases, the lesions are connected to one another, as if the iron rusted and the oranges are distributed. Yellowish powdered summer spores can cause re-infestation.
Control methods Add Fuxing 8000 times solution for spraying when controlling other diseases.
Six, leek powdery mildew
Symptoms mainly harm the leaves, and at the beginning of the disease, a piece of white frost-like mildew is produced on the back of the leaves. Soon, the surface of the leaves begins to turn chlorotic and yellowish patches appear. When the condition continues to develop, the leaves turn yellow, droop, and dry.
Prevention and control methods combined with other diseases to prevent the use of Fuxing 8000 times spray.
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main clients are come from EU and some other countries. Usually they like the package as iron drums with 290 kgs. However, we have IBC tank also, it can load 1400 kgs for net. Our raw honey purchased from bee keeper directly, so that we can control the quality very well. We can supply different type of honey according to your required parameters and package also.
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