Application of Leaf Humidity Sensor in Sakura Full-Light Spray Tender Cutting Propagation
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Intermittent spray automatic control equipment is based on the change of the intensity and temperature of sunlight and the response of plant cuttings to water demand, and is designed and manufactured by electronic sensors controlled by computers. Therefore, intermittent spray technology is used for cutting propagation of tender shoots. Under the circumstances, as long as it is not a power outage or the control part fails, its spray equipment will fully control the spray water supply in accordance with the cutting water requirement. Daylight intensity and temperature sometimes become very high during the day, and the spray equipment will automatically increase the number of sprays in order to meet the plant's cutting needs of water at high temperatures, so that on the one hand it can ensure that the plug will not lose water before rooting. On the one hand, the phenomenon of water accumulation due to an increase in the number of water sprays will not occur. This is because the special structure of the cutting bed removes excess water in a timely manner to ensure that it will not cause rot and death due to excessive water spray.
The use of the leaf surface humidity sensor for the determination revealed that when the sunshine intensity and temperature dropped, the transpiration of the leaves also decreased, and the control instrument was automatically controlled to reduce the number of sprays. Since there is no photothermal stimulus to the sensor at night, the automatic control function of the controller will cease to function and the spray will stop. At this time, the timing spray function of the controller can play a role, and the timing spray is performed according to the set time, generally at night. It is set to spray once every half hour. If there is no wind at night and there is dew formation in the weather, the night spray can be stopped. At this time, it can be used for spray sterilization or foliar fertilization. When stabilizing most of the rooting, the number of sprays should be gradually reduced. If secondary root formation occurs in the root system, spraying should be stopped. After hardening for 3 to 5 days, transplanting should be conducted promptly.
Through the analysis of the leaf surface humidity sensor, it can finally be concluded that the use of an all-clear seedling cutting and seedling seeding technique and an intermittent spray method provide moisture to the cuttings and leaves, adjust the temperature and humidity of the cutting bed and the air, and are favorable to the rooting of the cuttings, so that the leaves can be normal. Photosynthesis is used to provide the necessary auxin and nutrients for the rooting of cuttings, thereby facilitating the rapid rooting of cuttings in ventilated, well-drained and clean sterile sand beds, and greatly improving the survival rate of cuttings.
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