Yucca and Pleurotus eryngii are the evergreen shrubs of the family Tequila and Yucca. Not only in the same department, in the same genus, in the same country, but also in attitude and habits, the name of the breed is often confused. Carefully observed, there are subtle differences.
Yucca, flesh root system. The stem is very short when young, and the leaves often rubbed on the ground. The stem grows into a small arbor, about 2 meters high. The bark is dark brown, fiberous, and rarely branched. Leaf blade shaped, 30 cm to 60 cm long, 3 cm wide, thick leathery, upright and hard, apex acuminate acuminate, leaves grayish green, slightly white on both sides, white fiber filaments on the edges It is also known as the flashy yucca. The large panicles are drawn from the leafy culm, with a stout total stem, about 3 cm to 5 cm in diameter, yellowish-green, and soft in texture. Each plant can produce one to two shoots, often more than half of the leafy clumps. Flowers lateral to pedicel, shortly stalked, corolla cup-shaped, creamy yellow, drooping, petals 6 and opening one by one from bottom to top. Oval-shaped ovate ovate, in the north due to the post-flower temperature, the temperature dropped more often than not, and the inflorescence stems also dried up. Flowering period from September to October, before and after about 1 month. Variegated leafy yucca, leaf mask yellow or white stripes. Yellow-yellow yucca with yellow margins, slightly rounded tips, and pointed tips with a slight blush at the base.
Pterisura, also known as thick yucca. Stems less than 3 meters tall, solitary, not branched. The leaves are thick and leathery, 50 cm to 80 cm long and 5 cm to 7 cm wide. Foliage wrinkles, dark green, a small amount of white powder, strong oblique stretch, leaf margin smooth and no white silk, usually with sparse teeth, a small amount of silk when old. In the summer and autumn, the flower stems are drawn from the leaves, standing upright from 1m to 1.5m. The flowers are drooping, the inner edge is pure white, the outer edge is green and white, with a slight flush, and the flower diameter is 8cm to 10cm. The pods are dry, oval-shaped, with 6 grooves, 5 cm to 6 cm in length, and do not crack. Varieties of small Pteris, variegated Pterosome and so on.
Yucca is produced in North America, China and the United States, a strong natural, hi sunshine, impatient yin, resistant to cold and dry, but also resistant to moisture. In our country north and south gardens are cultivated. In winter, the leeward sunny areas of the gardens in North China can be exposed to winter, and protection is required in open areas and at the wind outlets. In the cold regions of the northeast and northwest, the plants need to be stored for winter. Strict requirements on the soil, acid and alkali resistance, but also resistant to barren, land planted with deep soil, loose and fertile sandy loam performance is good, potted plants can be used ordinary soil, under the pad a number of long-term fertilizer, growing up.
In the rhizosphere of the perennial roots of yucca and P. arundinacea near the main stem, 1 to 2 root seedlings (sucking) can occur each year, and they can be divided and planted after 30 cm. For mass reproduction, the method of burying the stems can be used. The perennial old stalks are cut first, and the stem segments of 5 cm to 6 cm in length are cut into pieces, erected in the old potting soil, and the top of the stalks is slightly exposed (like dew exposure). Under the sun, keep the soil moist, and in the high temperature season for about two weeks to root, germinating and pumping young stems, can also insert the stem into the water, often changing the water to keep clean, timely rooting pot after planting.
Every year before winter, topdressing one organic fertilizer, followed by winter irrigation. Soil is cultivated in the north and potted into the cold room to prevent cold. In alpine areas, it is stored in the cellar for winter, and in the south, it is evergreen in winter. In the spring of the next year, we will be fully flooded, and we will pay attention to windbreaks during flowering to prevent the buds from breaking off. Other managements will be more extensive and there will be few pests and diseases.
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