2. Cut flower cultivation: After protected cultivation or deep cultivation, modern cultivation techniques are used to realize the cultivation mode of high yield per unit area, short growth cycle, large-scale production and annual production supply of flowers.
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1. There are two ways to cultivate cut flowers: open cultivation and protected cultivation.
2. Fresh cut flowers include cut flowers, leaves and branches.
3. The four major fresh cut flowers in the world include chrysanthemum, gladiolus, carnation and cut rose.
4. Common pruning flowers are silver bud willow and plum blossom. Leaf-cutting flowers include ferns, Adiantum, asparagus and so on.
5. Gerbera jamesonii, also known as Hibiscus, is a perennial herbaceous flower of Hibiscus in Compositae.
6. At present, the main types of lily flower cultivation are Asian lily hybrid, oriental lily hybrid and musk lily hybrid.
1. How to carry out cutting propagation of lily,
Select healthy bulbs with pure varieties, clean and disinfect the surface, peel off healthy scales, soak them in 80 times formaldehyde solution for 30 minutes, take them out and dry them in the shade with clear water for later use. Cutting substrate is a mixture of coarse sand and vermiculite. Scales are obliquely inserted into the seedbed at a spacing of about 3 cm and a depth of 65,438+0/2-2/3 scales. After insertion, water is sprayed, and after 40-60 days, small bulbs can grow under high temperature and strong light.
2. How to prune roses: The main function of pruning in summer is to reduce the height of plants and promote the development of new flowering mother branches. Including regular inspection and removal of lateral buds on flowering branches, new buds on rootstocks, branches of diseases and pests, etc. In some areas, the temperature is too high in summer. Pruning in summer can renew old branches, promote new branches and ensure the production of cut flowers after autumn.
In winter, a heavy pruning is carried out during the dormant period, in order to keep the rose plant at a certain height and remove the old branches, weak branches and dead branches. According to different varieties, it is generally heavy and short at 45 cm and 90cm from the ground. High-quality cut flowers without dormancy can be produced in greenhouses or greenhouses in northern China with heating facilities.
3. How to sow gladiolus before planting,
Before planting, unhealthy and incomplete bulbs should be carefully removed and the selected bulbs should be graded. Then remove the outer membrane and the old root disc, and soak them in 500 times of 50% carbendazim for 50 minutes, or soak them in 0.3 and 0.5% potassium permanganate 1 hour to disinfect the bulbs. 20 years old? Under the left and right conditions, new roots and buds can be promoted, and the roots can be planted when they are exposed. Trench planting is suitable for large-scale production of cut flowers. Applying base fertilizer before planting, plant spacing10,20 cm, row spacing 30,40 cm, planting depth 5120cm, watering in time after planting, and controlling water for 2 weeks after budding are beneficial to root growth. Small balls should be planted in the border, which can be spread or drilled. Small balls can be planted at 0.3, 0.5 and 0.5 kilograms per square meter.