Gerbera summer production management
1, Dingmiao replanting. Gerbera is an annual flowering plant. Which season is not demanding, but from the production point of view, it reaches the first peak of flowering in October, so it needs to be cultivated in the spring and summer, so that the plants will grow rapidly in the high temperature stage and fall into the peak of production. During the period, plants with 3-4 branches can obtain higher yields in the winter and try to plant them before August. . Now that the season has entered the rainy season, it is too late to plant. At this time, we must pay close attention to planting seedlings. In particular, we should use the ramets for breeding. 2, the choice of species. The main colors are red and black hearts, followed by black heart yellow and pure yellow, again pink, orange, rose, pink, such as Polaris, sunspots, English, and beautiful people. 3, temperature moisture fertilizer management. Gerbera growth, moderate temperature during the day 20 - 28 °C, night temperature 14 - 16 °C. From June to August, the temperature often exceeds 30°C, and the temperature in the shed is more than 35°C. Therefore, the greenhouse should be ventilated on two sides, and the skirt film around it should also be rolled up for cooling and humidity reduction. Gerbera is vulnerable to rain and it should generally be cultivated throughout the year to avoid rain. In summer, the amount of water needed is large, and the water should be fully supplied. Dropper should be used instead of furrow irrigation. Ditch irrigation makes it easier to increase salt. Gerbera is sensitive to salinity and its surface is moist. The amount of fertilizer used may be based on the temperature of the period. The genus nitrogen and potassium crops of Gerbera are generally applied as compound fertilizers. Gerbera grows slowly due to high temperatures in summer, and fertilizer use should be reduced at this time. The fertilization is mainly based on surface drip irrigation, or in the ridge to dig trenches for fertilization, and the soil is restored. 4, peeling leaves and vegetable buds. 15 to 20 unfolded leaves are reserved per plant, and no more than 3 single flower buds should be removed. The remaining leaves and buds should be stripped as soon as possible. 5, pest control. The main diseases of Gerbera are root rot rot (Fusarium, Phytophthora infestans), gray mold, leaf spot, etc. Among them, the root rot disease is the most dangerous; the main insect pests are leaf miners, leafhoppers, Spodoptera litura, etc. . In production, prevention should be taken as the main priority. Through the selection of disease-resistant pests, good environmental control, removal of sick leaves and other measures to reduce the incidence of pests and diseases. Chemical control root rot may be treated with 500-fold metalaxyl and 500-fold mixture of thiophanate-methyl in the initial stage of the disease, and regularly treated with norozole, BAIWEILING, and carbendazim spray. Leaf spot can be controlled by chlorothalonil, mancozeb, and thiophanate-methyl spray, respectively. Leafminers were treated with avermectin, Qiang Ke, Nongyele Spray, leafhoppers could be treated with Suppressor or Keziite spray, Spodoptera littoralis could use farmland music, 10% dilute, 5% CPT and 5% of the card die spray control, pest control key to catch the onset of the early stages of the disease or pest.
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