Winter pruning of Schisandra chinensis and Magnolia officinalis
1. Schisandra chinensis
According to the growth and flowering and fruiting habits of short fruit branches, middle fruit branches, long fruit branches and basal branches, the following pruning methods and principles are determined: due to the poor fruiting ability of short fruit branches, they should be left less, especially those that do not blossom or only male flowers should be cut off. Medium and long fruit branches are the main fruit branches and grow vigorously, so they should be thinned according to the spacing of 10-20cm to facilitate ventilation and light transmission and increase fruit yield. 3-4 sturdy branches per plant were selected for regeneration, and the rest were cut off.
2. Magnolia
Winter pruning is mainly sparse pruning, long branches, disease and insect branches, withered branches and over-growing dense branches are thinned from the base, generally not short pruning.
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Powdery mildew of Schisandra chinensis
1. Disease symptoms: powdery mildew harms the leaves, fruits and shoots of Schisandra chinensis, among which young leaves and young fruits suffer most seriously. It often causes dry leaves, withered shoots and shedding fruits. In the early stage of leaf damage, needle-like spots appeared on the back of the leaf, which was gradually covered with a layer of white powder and extended to the whole leaf in severe cases. The diseased leaves change from green to yellow, curl up, wither and fall off. The disease of young fruit begins near the ear axis, and when it is serious, it gradually extends outward to the whole ear; the diseased fruit wilts and falls off, and black and brown spots appear on the pedicel and new shoots. In the later stage of the disease
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Fructus Schisandrae (chinese magnoliavine)
A cultivated species of the genus Schisandra of Magnoliaceae, scientific name Schisandrachinensis (Turcz.) Baill, deciduous woody vine crop. It gets its name because of its sweet, sour, bitter, and salty flavors. Alias Schisandra chinensis, Schisandra chinensis and mountain pepper. Distributed in Northeast and North China, the main producing areas are Liaoning, Jilin and Heilongjiang provinces. Stem bark grayish brown, with obvious lenticels. Twigs reddish brown, slightly glossy. Simple leaves alternate, stipitate, broadly elliptic or Obovate. Flowers unisexual, white
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