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Four Seasons Begonia Standardized Cultivation
Begonia semperflorens-hybr is Begonia semperflorens-hybr. It is a perennial herb. Its leaf color is different due to its variety. It has green, red, copper-red, brown-green and so on. It is rich in changes, and has a waxy luster and is bright and bright. Flowers are topped or axillary, dichoenous, and female flowers have an inverted triangular ovary. Flower-shaped single or double, orange, red, pink, white or complex color. Hybrids are upright dwarfs. The flowering period is longer and it can bloom almost throughout the year, but it is more in full bloom in the late autumn, winter and spring seasons. The mosaics are blooming, elegant and elegant, and suitable for flower pots or modeling. First, the seedlings of the four seasons of sea oysters are small, about 83,000-95,000 grains/g, and the germination time is longer. Before growing seedlings, the medium should be selected from peat moss with good moisturizing and air permeability. The pH is 5.5-5.8, and a small amount of calcium and magnesium can be added. Saturation of the medium is required before sowing, and watering after sowing will wash away the treated seeds. According to the growth performance is divided into four stages: The first stage: the emergence of saturated medium and a higher temperature of the young root is the key to the success of the four-year sea bream nursery; under the better conditions, the root appears 10-12 days. At the end of this phase, the radicles have lengthened and the roots are forming. 1. Humidity is controlled alternately with humidity and humidity. Saturation means that it is easy to observe water in the medium. Wet means that the touch medium can feel wet, but it is not saturated. The coated seeds need to be thoroughly soaked. 2. Air Humidity In order to maintain the humidity and prevent the exposed roots from drying out, the relative humidity of the air is required to reach 100%. 3. The temperature during the nursery period is maintained at 24-26°C. 4. The medium conductivity EC value of 0.5-1.0 is suitable for the seedling stage. 5. The light needs to be illuminated during the germination process. It is recommended that the fill light in the germination site be 200-1000 lux. The second stage: the emergence of stems and cotyledons The focus of this phase is to promote root formation. The key to the success of this phase is whether it can maintain a higher temperature and avoid the drying out of tiny young stems and exposed roots. At the end of this phase, the germination process is over, the roots are forming, the stems are elongating and the cotyledons have been unfolded. 1. Humidity Control Alternately use humidity and humidity levels to control humidity. Wet means that the touch media feels wet, but it is not saturated yet. Moist means that the medium is black, but there is no flash of water on the surface. Relative to the first stage, the humidity level should be properly reduced at this time, which is conducive to promoting the growth of the root system into the medium. A thin layer of rougher vermiculite can be used to help maintain the humidity level. 2. Air humidity The relative humidity at this stage should be maintained at 50-60%. 3. Medium temperature The temperature of the medium should be kept at 22-26°C, and the surface temperature of the leaf can't exceed 30°C, otherwise the seedlings will dry out easily. 4. Fertilization Fertilizers can be started with 50-75 ppm of nitrogen or potash with a ratio of calcium to magnesium of 2:1 (13-2-13-6Ca-3Mg), 1-2 times per week. Avoid the application of ammonium fertilizer, because ammonium fertilizer can inhibit root growth at the nursery stage, which is not conducive to the production of plug seedlings. 5. Medium conductivity The EC value at this stage should be maintained at 0.5-1.0. 6. Lights Four seasons of sea bream should be quickly replenished after germination, supplementing 4500-7000 lux light can greatly reduce the flowering time, but the light intensity can not exceed 20,000 lux. The third stage: the growth and development of true leaves (see details below for full text) The first condition for obtaining a robust rooted seedling is the management of water and nitrogen fertilizers. At the end of this phase, the roots have grown to the wall of the plug, real leaves. Already formed. 1. Humidity 2. Medium temperature 3. Fertilization 4. Medium conductivity. 5. Stage 4 of Light: Portable or Transport After the end of this stage, the root system has been filled with plug trays and it is well with the medium. Seedlings have grown 2-3 pairs of true leaves. 1. Humidity 2. Medium temperature 3. Fertilization 4. Medium conductivity 5. Light II. Continued growth 1. Humidity 2. Temperature 3. Fertilization 4. Light 5. Growth control 6. Common pests 7. Common diseases 3. Growth cycle Please refer to the following schedule: Fourth, garden performance five, species selection 1. From the forest series of seeds, including coating and non-coated two, leaves have two colors of green leaves and copper leaves. 2. Double flap varieties 3. Hanging varieties