Stem rot of Fugui bamboo
Symptom
The stem rot of rich bamboo will cause plant death and reduce the ornamental value. Mainly from May to September, the weather is muggy, the base of the stem becomes yellow and soft, the interior of the stem will gradually turn red, and the plant will rot from bottom to top.
Prevention and cure method
Before planting, excellent varieties with certain disease resistance should be selected. Usually pay attention to water control, do not accumulate water.
Remove the diseased plants in time to avoid infecting other plants.
Once it is found that there is something different in the stem of Fugui bamboo, immediately disinfect it with 42% gram bacteria clean powder 3000 times solution, or 88% hydrate mycin 1000 times solution.
Control methods of Stem Rot of Fugui Bamboo
The disease causes the death of rich bamboo and reduces the ornamental quality. From May to September, high temperature and high humidity occurred more frequently, mainly for damage to leaves and stems.
Symptoms: seedling stem base leaf yellowing; stem base decay, yellowing and softening; stem interior turning red; bacteria gradually causing damage from the lower incision.
Prevention and control methods:
(1) cultivate strong and tissue-rich plants and seedlings; remove diseased plants and burn them centrally; open deep drainage ditches and plant them at a height of 25 cm.
(2) soak the incision under the seedling with 42% gram bacteria powder 3000 times solution or 88% mycin hydrate 1000 times solution for 24 hours.
Symptoms of root rot of Fugui bamboo
Root rot mainly harms the roots of rich bamboo, without foot bud or uneven budding, low seedling emergence rate, or tender root rot at the base of plant stem.
Prevention and cure method
Avoid rain and shade properly in daily maintenance. Fertilizer is applied once a month, and organic fertilizer and inorganic fertilizer are applied together.
Spray 1000 times of thiophanate methyl at first, 1000 times of manganese and zinc of Ruidu mold after 5 days, and then 1000 times of 75% chlorothalonil after 5 days. Several agents can reverse the order and reduce the drug resistance of bacteria.
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Leaf spot of Fugui bamboo
The initial stage of the symptoms is brown spots, the edges are yellow; the disease spots gradually expand into round, central gray, the edges are dark brown, and the surrounding yellow; black grains appear on the disease spots under wet conditions. The prevention and cure method prevents the plant from being too dense and maintains ventilation and light transmission. When the growth is too dense, prune it in time and remove the diseased leaves in time
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Anthracnose of Fugui bamboo
At the initial stage of the onset of symptoms, there are grayish-brown disease spots on the leaf tip or leaf edge, which are irregular or semicircular, the center is gray-white, the edge is dark brown, and there is a yellow halo outside; the wheel pattern on the disease spot is obvious or not obvious, and there are small black spots on it. Control methods: diseased leaves are found in winter and spring and enchanted in time.
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