The survival of grafting is due to the affinity between the grafted combination and the regenerative ability of the junction formation layer, which is determined by the degree of difference in the internal structure, physiological characteristics and metabolism of the anvil and ear. First, affinity 2. Humidity: The interface maintains a certain humidity (relative humidity above 95%, but it cannot accumulate water), which is conducive to the formation of callus. Therefore, the interface must be placed in a wet environment. After grafting, the interface must be sealed and air-tight to prevent water evaporation. Test standards: The second day after grafting, if there is no water droplets in the bound membrane, it means that the animal is not tied tightly and needs to be grafted again. Fourth, light Fifth, operating technology Ivd Consumables,Virus Collection System,Virus Preservation System,Virus Collection And Preservation System HANGZHOU DIAN BIOTECHNOLOGY CO., LTD. , https://www.dianbiotech.com
Affinity refers to the ability of rootstocks and scions to heal by grafting and normal growth and development. Affinity is closely related to the phylogenetic relationship among plants, and the affinity of the affinities in the near is strong; the affinities in the distant are weak or difficult to survive. Sometimes dwarfing plants can be obtained with proper incompatibility of the grafting combination.
Second, the quality of the rootstock
Rootstocks and scions are well developed and store nutrients for a long period of time. They are easy to survive after grafting. Therefore, organizations should be selected to enrich the robust and full shoots for scion. The lignification rate of grafted rootstocks and the lignification rate of scions were the highest; the survival rate of semi-lignification of the rootstocks and the semi-lignification of the scion were also high; while the lignification and lignification survival rates of the rootstocks were lower; if the lignification of the rootstocks and the lignification of the scions were semi-lignified The survival rate is even lower. For grafting in the spring, grafting of tree species with wooded and scioned lignified rootstocks should be selected.
Third, temperature and humidity
1. Temperature: When the general temperature is around 15°C, the callus grows slowly; at 15~20°C, the callus grows faster; at 20~30°C, the callus grows faster. When budding in the spring, the scion is grafted as far as the sunny part of the seedlings to increase the temperature at the interface. In spring branches, large noodles should also face the sun to increase the temperature at the interface.
After grafting, the callus grows faster under darker conditions. Therefore, when grafting, try to connect the scion to the shade of the nursery stock.
The grafting technique requires skilled grafting techniques. Under the correct grafting technology operating conditions, the faster the grafting rate, the higher the survival rate. Whether the rootstock or the scion, cuts and noodles must be smooth, the joints should be tight, and the layers should be aligned.