First, management after grafting
1. The suitable temperature for the grafting of solanaceous fruit grafted with temperature is kept at 25-26°C during the day and 20-22°C at night. If the temperature is too low or too high, it is not conducive to the healing of the interface and will affect the survival.
2. Humidity Maintaining humidity is the key to successful grafting. Before the interface is healed, the air humidity must be kept above 90%. After the grafting, a small shed can be buckled, the shed can be fully watered, the plastic film can be tightly closed, and the period of time (tomato 4-5 days, eggplant 6-7 days). ), so that the air humidity in the shed is close to saturation, and it is appropriate to present the water droplets on the surface of the shed.
3, light general grafting method to 2500 is good; under low light conditions, the longer the better sunshine; in bright light conditions, 12 hours is more excellent. In terms of production, the light intensity of 5,000 lux and 12 hours of sunshine are the necessary conditions for grafted seedlings to survive, grow well, and grow robustly.
4. After carbon dioxide is applied to carbon dioxide, seedling photosynthesis is enhanced, which can promote the integration of tissue at the grafted site, and can also have the effect of inhibiting transpiration and preventing wilting.
5. Growth regulators commonly used in the production of naphthalene acetic acid, gibberellin, 2,4 - D and other crop growth regulators, the concentration is 20ppm.
Second, management after survival
1, the root cut off time is generally 10-12 days after grafting, the specific method is: 1 cm at the interface with a blade or a small scissors to cut or cut the scion hypocotyl, then cut a knife at 0.5 cm, so that the next Hypocotyl leaves gaps to avoid self-healing. You can also remove the root of the scion after cutting.
2. Graded management of grafted seedlings Under suitable conditions, the interface is generally healed after 7-12 days, and the grafted seedlings survive and begin to grow. However, due to the inconsistency in size, size, and size of the scion when grafting, the quality of the seedlings after survival will be different. , while conducting hierarchical management. Fasten the joints and restore the fast-growing large seedlings together for centralized management. Manage the poorly-growing and slow-growing seedlings in a location where temperature and lighting conditions are better, and create favorable conditions to gradually catch up. Large seedlings; the poorly-healed seedlings are eliminated.
3, in addition to germination grafted seedlings survived, should be promptly removed the sprouts of rootstock, removal should be clean and thorough, later germination, removal at any time.
4, remove the fixture should be based on specific circumstances timely removal of the fixture. After one week of general survival of splicing and splicing, the fixation is removed and the fixation can be postponed or even removed after planting. However, it should be done without prejudice to the growth of seedlings. Otherwise, it should be removed as soon as possible.
5, low-temperature exercise 7-10 days before planting for low-temperature exercise, and gradually increase ventilation, lower seedbed temperature, to enhance the resistance of grafted seedlings, making it easy to survive after colonization.
Third, grafted seedling colonization and management
1. When planting deep-rooted grafted seedlings, attention should be paid to not embedding the interface of the rootstock in the soil so as to avoid adventitious roots and infectious bacteria in the scion. This is especially the case when the grafting method is used.
2, planting density Grafting seedlings generally have a stronger growth potential than the self-rooted seedlings and a longer growing period, planting should be appropriate sparse planting, should not be too dense.
3, fertilizer and water management in the early growth stage should be appropriate to control the fertilizer and water, especially to control the application of available nitrogen fertilizer, so as to avoid the grafted seedlings because of the growing trend of madness, affecting fruit set. After fruiting, the management of fertilizer and water should be strengthened to meet its demand for water and nutrients, and to increase its potential for production.
Grafting can control soil-borne diseases, but it cannot control all diseases, especially non-soil-borne diseases. Therefore, it is required to do a good job of comprehensive prevention and control of various diseases.
1. The suitable temperature for the grafting of solanaceous fruit grafted with temperature is kept at 25-26°C during the day and 20-22°C at night. If the temperature is too low or too high, it is not conducive to the healing of the interface and will affect the survival.
2. Humidity Maintaining humidity is the key to successful grafting. Before the interface is healed, the air humidity must be kept above 90%. After the grafting, a small shed can be buckled, the shed can be fully watered, the plastic film can be tightly closed, and the period of time (tomato 4-5 days, eggplant 6-7 days). ), so that the air humidity in the shed is close to saturation, and it is appropriate to present the water droplets on the surface of the shed.
3, light general grafting method to 2500 is good; under low light conditions, the longer the better sunshine; in bright light conditions, 12 hours is more excellent. In terms of production, the light intensity of 5,000 lux and 12 hours of sunshine are the necessary conditions for grafted seedlings to survive, grow well, and grow robustly.
4. After carbon dioxide is applied to carbon dioxide, seedling photosynthesis is enhanced, which can promote the integration of tissue at the grafted site, and can also have the effect of inhibiting transpiration and preventing wilting.
5. Growth regulators commonly used in the production of naphthalene acetic acid, gibberellin, 2,4 - D and other crop growth regulators, the concentration is 20ppm.
Second, management after survival
1, the root cut off time is generally 10-12 days after grafting, the specific method is: 1 cm at the interface with a blade or a small scissors to cut or cut the scion hypocotyl, then cut a knife at 0.5 cm, so that the next Hypocotyl leaves gaps to avoid self-healing. You can also remove the root of the scion after cutting.
2. Graded management of grafted seedlings Under suitable conditions, the interface is generally healed after 7-12 days, and the grafted seedlings survive and begin to grow. However, due to the inconsistency in size, size, and size of the scion when grafting, the quality of the seedlings after survival will be different. , while conducting hierarchical management. Fasten the joints and restore the fast-growing large seedlings together for centralized management. Manage the poorly-growing and slow-growing seedlings in a location where temperature and lighting conditions are better, and create favorable conditions to gradually catch up. Large seedlings; the poorly-healed seedlings are eliminated.
3, in addition to germination grafted seedlings survived, should be promptly removed the sprouts of rootstock, removal should be clean and thorough, later germination, removal at any time.
4, remove the fixture should be based on specific circumstances timely removal of the fixture. After one week of general survival of splicing and splicing, the fixation is removed and the fixation can be postponed or even removed after planting. However, it should be done without prejudice to the growth of seedlings. Otherwise, it should be removed as soon as possible.
5, low-temperature exercise 7-10 days before planting for low-temperature exercise, and gradually increase ventilation, lower seedbed temperature, to enhance the resistance of grafted seedlings, making it easy to survive after colonization.
Third, grafted seedling colonization and management
1. When planting deep-rooted grafted seedlings, attention should be paid to not embedding the interface of the rootstock in the soil so as to avoid adventitious roots and infectious bacteria in the scion. This is especially the case when the grafting method is used.
2, planting density Grafting seedlings generally have a stronger growth potential than the self-rooted seedlings and a longer growing period, planting should be appropriate sparse planting, should not be too dense.
3, fertilizer and water management in the early growth stage should be appropriate to control the fertilizer and water, especially to control the application of available nitrogen fertilizer, so as to avoid the grafted seedlings because of the growing trend of madness, affecting fruit set. After fruiting, the management of fertilizer and water should be strengthened to meet its demand for water and nutrients, and to increase its potential for production.
Grafting can control soil-borne diseases, but it cannot control all diseases, especially non-soil-borne diseases. Therefore, it is required to do a good job of comprehensive prevention and control of various diseases.
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