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Tulip Cut Flower Bulb Rot: Symptoms and Control Methods

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It is mainly spread through the bulbs, infecting new shoots during the sprouting process of tulips and causing disease in the above-ground parts. The optimum temperature for infection is 10°C to 15°C, which coincides with the early growth temperature of tulips. The disease occurs more frequently during the period from bulb sprouting to the unfolding of the first leaf, and can continue until flowering. In the early stage of the disease, the spots on the leaves appear water-soaked or grayish-white; in severe cases, the epidermis separates from the mesophyll, causing cracking that exposes the mesophyll, and yellow spots form on the bulbs. Control methods: promptly pull out and destroy infected plants, and broadcast agricultural streptomycin on the surrounding soil; seed bulbs should be

It is mainly spread through the bulbs, infecting new shoots during the sprouting process of tulips and causing disease in the above-ground parts. The optimum temperature for infection is 10°C to 15°C, which coincides with the early growth temperature of tulips. The disease occurs more frequently during the period from bulb sprouting to the unfolding of the first leaf, and can continue until flowering. In the early stage of the disease, the spots on the leaves appear water-soaked or grayish-white; in severe cases, the epidermis separates from the mesophyll, causing cracking that exposes the mesophyll, and yellow spots form on the bulbs.

Control methods: promptly pull out and destroy infected plants, and broadcast agricultural streptomycin on the surrounding soil; disinfecting the bulbs before planting can effectively control this disease.

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