A two- or three-year-old branch that appears strong due to the presence of flower buds might actually be weak. If it grows on an annual Wang branch, it can still develop into a productive shoot in the second year, provided there is sufficient light, proper leaf protection, and scientific fertilization. Similarly, an annual imaginary branch with multiple pruning cuts on a weak branch can stimulate growth on a slender, weak stem, which may also form clusters in the following season. Therefore, the strength or weakness of a flowering branch depends largely on how it's managed and its physiological condition.
An annual Wang branch not only has a more robust structure but is also significantly thicker than a weak branch. It contains a much higher number of xylem vessels, allowing for better transport of water and inorganic nutrients from the soil. As a result, it's not advisable to remove buds from such branches. Retracting buds focuses the plant’s energy, leading to longer shoots that consume more nutrients and leave less for fruit development.
On the other hand, annual weak branches are thin, less developed, and have lower lignification due to their finer structure and lack of organization. Their xylem vessel count is much lower compared to Wang branches. If not pruned, all the buds are left intact, causing the nutrients to be spread out too thinly among them, resulting in smaller fruits. Therefore, it's essential to prune these weak branches, reducing the "population" and concentrating the nutrients to ensure better fruiting. In particularly weak trees, where every branch is full of flowers, it's crucial to prune the weakest flower clusters.
When it comes to pruning weak flower clusters, the technique requires more precision. The amount of retraction varies depending on the branch type and its condition. Generally, buds growing on the back side should be cut back a bit more, while those on the front should be pruned lightly or not at all. This helps balance the tree's energy and promotes more uniform and healthier growth.
Test Kits
Diagnostic reagents can be divided into two categories: in vivo diagnostic reagents and in vitro diagnostic reagents. It is mostly a reagent for detection by the reaction between antigen and antibody.
A: Classification of in vitro diagnostic reagents:
1. In vitro biodiagnostic reagents managed as drugs include:
1. Blood type and tissue type reagents;
2. Microbial antigen, antibody and nucleic acid detection reagents;
3. Tumor marker reagents;
4. Immunohistochemistry and human tissue cell reagents;
5. Human genetic testing reagents;
6. Biochips;
7. Allergy diagnostic reagents.
2. In vitro reagents managed as medical devices include:
1. Clinical basic test reagents;
2. Clinical chemistry reagents;
3. Blood gas and electrolyte determination reagents;
4. Vitamin determination reagents;
5. Cell histochemical stains;
6. Autoimmune diagnostic reagents;
7. Microbiological test reagents.
B: According to medical test items, clinical diagnostic reagents can be roughly divided into clinical chemical test reagents, immunology and
Serological testing reagents, hematological and cytogenetic testing reagents, microbiological testing reagents, body fluid excretion
Detection reagents, genetic diagnosis reagents, etc. Among them, the market share of clinical chemistry
The largest, close to 34%; followed by the immunology market, accounting for about 29%. Novel immunodiagnostic reagents and genetic diagnostic tests
The reagent was developed in the late 1980s, and it is the most common diagnostic reagent for all current diagnostic reagents, regardless of technology or market.
The fastest growing product.
Urine Rapid Test Kit,Rapid Test Kit 6-Panel,Toxoplasma rapid test kits,Fecal Occult Blood Test
Jilin Sinoscience Technology Co. LTD , https://www.jlgkscience.com