First, affect the survival of fruit trees
1. Related to the heredity of the tree species. Such as grapes, pomegranates easy to produce adventitious roots, apples, cherries, etc. are not easy to produce adventitious roots.
2. It is related to the age, age of branches and branches. The younger the tree is, the easier it is to take root; more annual branches tend to take root, and new shoots are more prone to rooting than annual branches. For the same shoot, the top is prone to rooting.
3. The nutritional content of the shoots. Many nutrients are easily rooted. Therefore, soaking the sticks in the sugar water before cutting can increase the survival rate.
4. Hormone levels. Hormone levels are high and prone to hair roots, where growth hormones are the most important. For example, grapes and willows themselves contain a lot of hormones.
5. Vitamin levels. It is an indispensable material for rooting.
Second, external factors that affect the survival of fruit trees
1. Soil. Mainly ventilating conditions, sandy loam soil is commonly used on the land, and sandy soil or vermiculite is often used for protection.
2. Temperature. The most preferred temperature for rooting of most fruit trees is around 20 degrees Celsius.
3. Humidity. Need a certain amount of soil moisture and air humidity. The soil moisture requirement is about 50% of the water capacity in the field, and the bigger the better. The greater the humidity, the better.
4. Light. Low light is better.
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