Luzhu scientific name Arundo donax L. is known as reed bamboo, reed bamboo shoot, reed bamboo root, staircase culm and so on. The grass is a perennial herbaceous plant. Rhizomes and buds shoots into medicine. With heat and purging effect. Located in East China, Southwest, and South China.
Symptoms mainly affect the leaves, and there are rust-colored to faded yellow uplifted round spots on the leaves, namely the summer spores heap and the teliospore heap. At the early stage of the disease, blister-like spots were formed and covered by the host epidermis. After the epidermis ruptured, yellow-brown powdery uredia spores were scattered. There are many spores on the leaves and the leaves gradually turn yellow. On the back of the leaf is a cup-shaped yellow rust spore.
The pathogen, Aecidiμm dispori Diet., was named as Wanshou bamboo rust bacterium, which belongs to Basidiomycotina. The bacteria can infect Yuzhu, Wanshou bamboo and Huangjing.
The route of transmission and the condition of the disease changed to primary parasites, but the life history was unknown. Spring is warm and moist and susceptible to disease.
Auxiliaries (Additives) are defined in medicine as excipients and additives used in the production of drugs and prescriptions, that is, all materials except the main active ingredients of drugs, are important components of pharmaceutical preparations. In industrial production, auxiliary chemicals added to improve the production process, improve product quality and yield, or to endow the product with a specific application performance. It is also called additive. However, as an important component of the product matrix, large doses of additives, which have a significant impact on the shape, structure and performance of the product, are generally not included in the category of additives.
Chemical Additives,Chemical Reagents,Fine Chemicals,Inorganic Reagent Chemicals
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