The most suitable environmental conditions for rooting of flower cuttings

Practice has proved that even if the rooting ability of cuttings is very strong, if the environmental conditions of the cuttings are bad, the rooting activities will be affected, the resistance of cuttings will be weakened, and even continue to die, resulting in cutting failure. The environmental conditions that affect the rooting of cuttings mainly include temperature, humidity, oxygen, light and soil quality.

Cutting: 11 ways to make cutting flowers take root quickly

1. Temperature

Different kinds of plants require different temperature. Generally, the temperature needed for rooting is basically the same as that for bud germination and growth, so the rooting temperature of plants that germinate early is lower, and vice versa. Generally about 15 ℃, as long as the cuttings with rooting ability, more or less can enter the state of rooting activity. For example, soft wood cuttings of most plants should be carried out between 20 ℃-25 ℃, temperate flowers require a temperature of about 20 ℃, tropical roots should be cut at temperatures above 25 ℃-30 ℃, and rooting activities of many tree species increase gradually with the increase of temperature at about 25 ℃, but the rot is also intensified.

In general, when the soil temperature is 3 ℃-6 ℃ higher than the air temperature, it can promote early rooting and prevent buds from sprouting but not rooting, resulting in the loss of water balance and wilting of cuttings. The temperature in spring is higher than the upper temperature, so for the tree species that are difficult to take root, the electric heating wire can be buried in the ground at a depth of about 15 centimeters, forming an electric heating bed and then inserting the rod to promote rooting.

2. Humidity

Maintaining reasonable soil moisture and air humidity is also extremely important for survival.

When cutting in spring, many plants sprout and spread their leaves before slowly taking root. At this time, there needs to be sufficient water in the soil, first through the wound and callus to absorb water to maintain metabolism in the body. After a period of time, the hormones and nutrients produced in the leaves can in turn promote root growth and constantly absorb water in order to achieve water balance in the body. Therefore, the bed soil should have greater humidity in order to ensure that the leaves do not wilt before taking root, but not too wet, otherwise it is easy to cause decay. When soft wood cuttings, it is more important to maintain a higher relative humidity in the air, and it is best to keep the relative humidity at about 80%.

Spray cutting is the application of mechanical equipment to spray into the air to increase the humidity of the air. By using this method, some plants which are difficult to take root can get a better effect of rod insertion. In order to maintain high air humidity, wind shelter and shade are generally needed. Covering with transparent plastic film can also prevent excessive transpiration and achieve good moisturizing effect.

3. Oxygen

The rooting process is an exuberant process of breathing, and oxygen is one of the important conditions. Therefore, it is necessary to ensure good ventilation on the premise of ensuring soil moisture. The defender substrate requires good ventilation, easy to keep moist, and good drainage. Generally, sandy loam is better for dormant wood cuttings, and monopolization is the mode of operation. Well, water can be poured between the high ridges and infiltrate around the cuttings instead of pouring water directly into the cuttings. Vermiculite and perlite are the best substrates for tender wood cutting, and river sand and sand can also be used to ensure aeration conditions to facilitate rooting and survival.

Cutting: aspirin has nine functions of flower cultivation, such as rooting, prevention of diseases and insect pests, preservation, etc., which can be called omnipotent anther.

4. Lighting

Root formation and growth do not directly need light, but aboveground parts need to assimilate nutrients under light. Softwood cuttings generally have leaves in order to carry out photosynthesis under light and synthesize organic substances to promote rooting. most experiments have proved that the more abundant carbohydrate content in cuttings is, the higher the rooting rate is. However, strong light is easy to cause water loss and wilting of cuttings, which is disadvantageous to the survival of cuttings. Therefore, moderate shading should be given at the initial stage of planting (the purpose is to prevent drought) if the moisture of the bed can be ensured. And do not dry appear excessive transpiration of cuttings, generally do not need shading, so as not to affect the carbon assimilation of cuttings or hinder the rise of the temperature of the cuttings.

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