Selection and management of downhill bluegrass

One, lotus leaf. Common characteristics of sheaths:

Sheath leaves thick and stiff, tip pocket tight; leaf shape in good shape, leaf quality thick, texture moist, vein fine; leaf tip round symmetry or spoon shape upward slightly warped, leaf teeth close, leaf surface has close Ze and line dragon These are the characteristics of traditional lotus petals, so the probability of lotus petals in this kind of grass is relatively large.

Two, plum petals. Common characteristics of sheaths:

The sheath leaves are thick, moist and firm, scattered, and have a leaf sheath twisted forward, and the sheath has a white head; the leaves are more evenly distributed, the leaf ends are gradually narrowed, the leaf sheaths are sharper, the leaves are mostly thin, the middle leaves are mostly semi-vertical; the side leaves are mostly bowed or falcate. Leaf teeth are fine but not very regular, leaf surface leaf back are relatively smooth lubrication, soft see hard; foot leaf middle relaxed, shaped like a boat, side leaf tip pocket. These are the characteristics of traditional plum petals, so the probability of plum petals in this kind of grass is relatively large.

Three, disc flap. Common characteristics of sheaths:

The outer dish is tall, showing the inverted "eight" character, the midvein is slightly inclined, so the leaf sheath is often curved or slightly inclined. The leaf sheaths of the inner disk are slightly slender, and the sheath heads are sharp. The leaf shape of the outer disc is generally slightly thinner than that of the leaf blade of the leaf blade, and the leaf quality is thick and thin. They all have a common feature that the symmetry of the leaf blade is not good, and most of the midvein is slightly biased (each leaf deviates differently). The same leaf vein thickness, vein and vein spacing vary, leaf groove depth uneven width, uneven thickness of leaf teeth arrangement. Sometimes the rear half of the unilateral part of the leaf will appear toothless or intermittent phenomenon, but to reach the tip of the leaf on both sides of the teeth will be significantly thickened. The greater the difference between the tooth shape of the front and rear half of the side leaves, the greater the proportion of labial parts of the outer disk. The leaves of the inner disc are more slender than those of the outer disc, but the leaf teeth are also different in thickness. The more prominent the midvein of the side leaf of the inner disc, the larger the tongue shape, the more prominent the two veins close to the midvein, and the wider the outer three petals. If there is a dish phenomenon on the leaves, most of them will have a secondary valve disc, while the heart leaf dish will have a pistil disc. These are common characteristics of traditional butterfly petal grass, so the probability of discoid petals in this kind of grass is relatively high.

4. How to choose lotus petals:

Lotus petal flower bud capsid is broad, ovary bract must have thick sandy halo, bract is short and broad wrap flower bud completely. The plants with lotus petals generally have two kinds of semi-vertical and oblique leaves. The leaves are wider, the leaf tips are blunt, the veins are thinner, the leaf sheaths are broad and tightly clung to the petioles. If the leaf sheaths are not tightly clung to the petioles and loose, they will not open true lotus petals. The thick, hard and oily leaves cannot open lotus petals. Flowers must meet the following conditions:

1. Middle lobe of labellum must be rounded and broad. Generally lotus petals have four kinds of lips, such as large round tongue, large round dragon swallow tongue, large Ruyi tongue, large bangs, etc. If they do not have these four kinds of tongue, no matter how wide the outer three petals are, they cannot be regarded as true lotus petals.

Second, the petals must be short and wide. The lotus petals are generally held for clam shell, short round, Xinkou, etc. Holding petals and tongue petals collectively known as "the palace","the palace" must be round and wide, if holding petals long pointed, it can not be regarded as a real lotus petals, can only be regarded as "lotus shape" flowers.

Three, the outer three short round wide, close the root angle. The outer three petals of the lotus petal root fine collection is very important, the root does not appear broad, do not put angle appears short circle. Some flowers are short and round when they bloom, but after they bloom, the outer three petals are extended, and these flowers cannot be counted as lotus petals. Good lotus petals of the outer three very thin, short round wide, petal end angle, edge slightly inward roll, similar to "lotus" petals, and petal end thickening feeling, this is the top grade lotus petals.

5. Selection of buds and identification of leaf buds.

In this selection process, identification of varieties by looking at new shoots is a very important method. From the beginning of April to the end of June every year, the buds are unearthed one after another. This is a good time to identify orchids in the middle of the year. It is best to identify orchids by looking at the buds at a height of about 2 minutes. The characteristics of this height bud are obvious and stable. The height is too low to show its essential characteristics. If it is too high, its essential characteristics gradually fade away.

1, male petal-shaped flower buds just unearthed when relatively short round, foot shell more, bud thick fish back shape, to about 2 minutes high, bud tip generally with a very obvious white head, this white head meat texture is very strong, like a piece of high-quality white jade, brilliance restrained, and ordinary flower buds tender white bud front is not the same, and the veins on the foot shell thick and even, soft and moist, sand halo thick. However, there are also a small number of flower buds whose characteristics are unknown

2. There are two kinds of buds of exotic flowers: green-brown and red-brown. The bud tips of these two kinds of buds often have fleshy whiteheads, but the tendons and sand on the foot shells are thick. In addition to fleshy whiteheads, the bud tips also have different color caps. The first piece of the foot shell from bottom to top is often as thin as silk. All through the top, the second piece is often thick color midrib, but the midrib is generally interrupted at the top 1/3 or from thick to thin, the top 1/3 is often a different color cap, either dark green color cap, or red color cap.

3. In addition to the above characteristics, the new buds of butterflies have the edge of their foot shells that are more transparent than ordinary grass, and the transparent parts are covered with a layer of thick sand halo, which is the case for most butterflies. The buds of pistil butterflies are generally purplish red, rarely turquoise. The tendons on the foot shell are extremely thick, the sand halo surrounds the body, the bud tip is white, especially the white-headed variety with higher tongue degree. After the bud leaves open, the leaf tip often can be red, very beautiful. The buds of colored flowers vary in shape, and it is difficult to distinguish which color is more difficult. The buds of such flowers are often very colorful, heavy with hemp sand, slender veins, thick ribs, gorgeous color. When the buds are about 2 minutes, the characteristics of the bud tip are most obvious, often with colored caps, or white, or deep red, or dark green, etc. From the overall point of view, the buds of such flowers are relatively monotonous in color, and the color of the bottom of the foot shell is light. It is thicker upward and thicker to the tip, forming colored caps of different colors. When the bud is 2 minutes high, the above characteristics are obvious except for the obvious color of the midvein: pale yellow feet with white tips, white yellow feet with green tips, green feet with red brown tips, green feet with oil green tips, etc.

4. The buds of vegetarian flowers generally refer to white and green buds. The buds of these flowers are relatively stable, white or tender green, without any mottled color, crystal clear buds, soft sand halo, light restrained, soft and slightly transparent, and white jade buds. When encountering such buds, there must be no doubt.

6 How to make the flower arrow higher:

1. The nutrient plant materials needed for orchid preparation are the most basic for improving flower arrow. Spring orchid bud flowering to consume a lot of nutrients, congenital nutrition deficiency is impossible to bloom good flowers. Therefore, whether the plant material is complete in nutrition has a direct impact on the height of spring orchid flower arrow. This determines that when we prepare orchid cultivation materials, we should work hard on ventilation, drainage and nutrients in line with the principle of overall consideration. Practice proved that the best preparation of orchid cultivation plant material is the combination of traditional and modern, and the best effect of orchid cultivation is to mix sieved orchid mud with granular plant material, which can complement each other's advantages and provide sufficient power source for spring orchid flower arrow to bloom.

2. Full vernalization and proper temperature difference are the necessary conditions to promote the spring orchid arrow to rise. Spring orchids generally take nearly half a year from budding in autumn to flowering in spring. In the long-term natural evolution process, spring orchids have formed the characteristics that only the low temperature vernalization in winter can make the buds expand and the flowers grow taller; while during the reproductive growth period, if the temperature is high, it is easy to appear the phenomenon of "opening in spring", and the flowers cover the pot surface, the flower quality is greatly reduced, which seriously affects its ornamental quality. In this regard, all generations of orchids attach great importance to the full vernalization of spring orchids, and advocate that in winter, especially during the period from heavy snow to severe cold, orchids should be kept at a low temperature of 0~10℃, and the temperature difference between day and night should be kept at about 10℃, so as to accumulate sufficient nutrients for the needs of flower and arrow opening after spring. Full vernalization and proper temperature difference are the necessary conditions to promote the spring orchid arrow to bloom in place, which should not be ignored.

Third, the high humidity in flowering season is the catalyst to ensure that the spring orchid arrow rises. Practice has proved that keeping high air relative humidity in the flowering season of spring orchid is very beneficial to the elevation of flower arrow. Lanyou can take humidifier humidification, basin surface spray water, ground spray water, sink humidification and other measures to create air relative humidity not less than 50%, can effectively improve the height of spring orchid flowers, especially the lotus flower spring orchid effect is more obvious. For example, when the spring orchid famous product is placed in the air relative humidity of about 60~80%, the flower arrow can reach 12~15 cm, which greatly improves its ornamental property. Higher air relative humidity is the catalyst that makes spring orchid flower arrow rise. I will publish orchid knowledge and pictures every day, take you to understand orchids deeply, teach you to easily raise orchids, you can ask me at any time or leave a message below if you don't understand orchids, if my knowledge brings you help, I hope you can help me like or forward help more people!