Diseases and Control of Poinsettia

The diseases of poinsettia include fungal diseases, bacterial diseases, viruses and protoplasm diseases.
1. The fungal pathogen is a fungus, which is caused by infection through wounds, natural orifices such as stomata or surface contact. Common are the following:
(i) Root and stem rot: mainly caused by the following fungal infections:
1. Rhizoctonia rot caused by Rhizoctonia 1 Symptoms The stems in contact with the surface of the medium are most likely to be infected, especially when there is accumulation of fertilizer salts in the wounds of the stems or on the surface of the medium. Initially, brown, but dry plaques appear at the site of infection, and these brown patches gradually expand as the fungus grows, even reaching the roots. This fungus is easily carried by the substrate and susceptible plants and is easily spread with water. In addition, although they do not have balloon spores, they can also be transmitted through infected dust. 2 Control measures Remove the infected plants in time and do not leave the infected leaves indiscriminately. With fungicides irrigation effect is better. The commonly used pharmaceutical agents include Yili, Rhizoctonia, Cleary and others.
2. Root rot caused by Pythium 1 Symptoms The main condition is root canker. When the roots are infected, brown rot usually appears in the apical and cortex. Pathogens enter the stem from the bottom up and develop towards the stem tips. The entire stem gradually becomes water-stained and the color changes from brown to black, and then the rot root peels off. Infected plants are usually stunted, and the lower leaves turn yellow and fall off. In severe cases, the entire plant will die. Germs can easily spread through water. The disease is prone to occur when the matrix is ​​poorly drained or the matrix water is too much. One of the characteristics of Pythium rot caused by root rot is that some susceptible plants have been invaded early in the planting period. However, due to the rapid development of the roots, the disease is often masked, until the flowering stage, the plants will bloom, and the roots develop slowly. Symptoms began to appear clearly, causing the plants to turn yellow and wither until death. 2 control measures with fungicides irrigation effect is better. Commonly used fungicides are: Rhizobium, Banrot, Trufan and others.
3. Phytophthora spp. Caused by stem rot 1 Symptoms and diseases can endanger all parts of the plant, including leaves, stems, crowns and roots. Stems appear gray to brown or black, and the medullary pits become brown. The leaves begin with small brown or yellow-brown spots that gradually spread under suitable conditions, and eventually the whole leaf is brown or black. Root rot and pod decay can also occur. As the disease worsened, the whole plant died of wilting. 2 Control measures High temperatures and excessive irrigation can easily lead to the occurrence of this disease. Therefore, during summer cultivation, the temperature should be reduced as much as possible to avoid excessive soil moisture. The use of fungicides such as Rhizoctonia, Banrot, and Truban can help control this disease.

Non-sterile Medical Washed Abdominal Pad + Cotton Loop

Structure and composition: It is made of 100% Cotton Gauze, cotton tape, X-ray or X-ray film after degreasing, bleaching, drying, processing, cutting, folding, sewing and washing.

 

Product performance: White, soft, non-toxic, odorless, non-fluorescent, no oil spots, no whiskers, no hair corners, no wrinkles or debris adhesion, and has good water absorption performance.

 

Model specifications: Non-sterile type, washed. The color is mainly white, supplemented by blue and green. Specifications are divided into 30 * 30CM-4 / 6/8/12, 45 * 45-4 / 6/8/12, 50 * 50-4 / 6/8/12, 30 * 40/40 * 45, etc. , with or without belt; with or without light, can be sewn based on different requirements.

 

Packing: 50 / 100PE bag, 5 layers double corrugated kraft paper box.

 

Scope of application: It is used for one-time use by medical institutions for surgery or protection. 

Non-sterile Medical Washed Abdominal Pad + Cotton Loop

Medical Lap Sponges,Surgical Abdominal Gauze,Medical Abdominal Swabs,Medical Pre-Washed Lap Sponges

Shaoxing Gangfeng Hospital Products Co.,Ltd. , https://www.gangfenggauze.com