Reasonable Flower and Fruit thinning to promote stable and High yield of Waxberry
The main fruit of red bayberry is short and medium fruit branches. Because only the terminal buds of these two types of fruiting branches are leaf buds, and the rest are mostly differentiated into flower buds, if they are allowed to bear fruit naturally, the fruit is often excessive, small and poor in quality, and it is easy to cause large and small years, so fruit thinning should be carried out in order to achieve stable and high yield.
The fruit thinning period of ⑴ usually takes place in the middle and late April before the rapid expansion of the fruit after setting the fruit.
In ⑵ fruit thinning method, 3 fruits were left in every 6 fruit branches, 3 fruit branches were removed, and 2 fruits were left in each fruit branch.
⑶ fruit thinning principle leaves less in the upper part of the crown and more in the lower part, which promotes more summer shoots and forms fruiting branches in the next year, which can reduce the phenomenon of annual fruit.
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Disease knowledge Magnolia brown spot
Symptoms: the pathogen mainly infects the leaves. The diseased leaves initially appeared light brown or yellow dots on the surface, one enlarged into round or irregular spots, 5-12 mm in diameter, dark brown at the edge, grayish white in the center, and many black dots on it. The disease spots can merge into amorphous large-scale necrotic damage. In general, the disease begins to occur in summer and the harm is more serious from August to September. Pathogen and disease status: Magnolia brown spot, also known as spot disease, is a common disease of Magnolia magnolia. Magnolia mandshurica is cultivated in all the areas in China, such as Suzhou, Nanjing, Wuhan,
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The red spider of rhododendron
The female adult is about 0.3 mm long, dark red, nearly oval, the back of the body is raised, 4 pairs of dark red; the male adult is 0.25 mm long, cuneate, flattened bright red. The adults overwintered in the root of the plant, mainly near the main vein of the petiole on the back of the leaf, propagated rapidly in high temperature, less rain and drought weather from June to July, and the damaged leaves were scorched and shedded when the damage was serious. Prevention and control method: manual control, often checked after April, found that individual leaves have red scallops
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