Angelica sinensis is covered with sunshade net to increase production, quality and benefit.
The shading cultivation technique of Angelica sinensis starts from the three-leaf stage of Angelica sinensis (that is, from mid-May to early August, when high temperature and strong light after summer), and covers the shading net with a shading rate of 50%. It provides a suitable small environment for Angelica sinensis production to grow under the original ecological conditions of medium temperature, weak light and humidity. by cooling, humidifying and reducing light, the bolting rate of Angelica sinensis in dryland cultivation can be reduced to about 30%. Moreover, the sunshade cultivation of Angelica sinensis can prevent and reduce the harm of diseases and insect pests, so it has a significant effect on improving the quality and increasing yield of Angelica sinensis.
According to the experimental results, the shading of Angelica sinensis in cultivation reduced the surface evaporation and plant transpiration, greatly improved the water use efficiency, increased the yield of special and first-class angelica by 12.3% and had good uniformity. Sunshade cultivation, 43 kg per mu sunshade net, sunshade material cost 685 yuan, can be used for 2 to 3 years, while the average yield per mu of Angelica reached 179.4 kg, an increase of 80.9 kg over the control of 98.5kg, and an increase of 708 yuan. The overall yield of shading facility cultivation is significantly higher than that of open field cultivation, and the yield can be increased by 24.5%, which significantly improves the economic benefits of Angelica cultivation. Another advantage of Angelica sinensis sunshade cultivation is that after Angelica sinensis sunshade, the special small environment can not only avoid aphids and prevent aphids, but also reduce the population density of red spiders and reduce the harm of angelica mouth disease. Angelica sunshade cultivation is a good technology to increase agricultural efficiency and increase farmers' income, opening up new ways for high and stable yield of Angelica sinensis and creating new techniques for facility cultivation of Angelica sinensis, and its popularization and application prospect is very broad.
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Prevention and control of root rot of Angelica sinensis
Angelica root rot, also known as root rot disease, is one of the main diseases in the growth and development period of Angelica sinensis, which has a great impact on its yield and quality. The main results are as follows: 1. harmful symptoms: harmful to roots and stems. The root tissue of the diseased plant was brown at first, and then rotted into water immersion, leaving only a fibrous shell. The stem is brown and watery, the growth of the aboveground part stops, and the plant is short. Oval brown patches appeared on the leaves, and in severe cases, the leaves withered and sagged, even the whole plant died. 2. Pathogenic bacteria: (Fusariumavenaceum (
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High-yield cultivation techniques of Angelica sinensis
Angelica sinensis, also known as Qin Gui, Minshan Gui, Xidang Angelica, Yungui, contains a variety of volatile oils, the main components are n-butenylacyllactone, Songben lactone, carvacrol, Angelica aromatic ketone, palmitic acid, sesquiterpene A, B and so on. Root medicine has the effect of regulating menstruation and relieving pain, moistening dryness and smooth intestines, breaking blood stasis and giving birth to new. it is a commonly used gynecological medicine in traditional Chinese medicine. With the continuous development of traditional Chinese medicine in China and the worldwide "fever of traditional Chinese medicine", the demand for traditional Chinese medicine is increasing day by day. Angelica, as a large number of commonly used Chinese medicinal materials, has an extremely broad market prospect and is an alpine mountain in Yunnan Province.
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