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Planting arrangements in the middle and lower reaches of the Yangtze River, willow fish sowing should be carried out from October to mid-November, from November to January of the next year planting, March and April flowering.
The cultivation matrix requires loose air, good drainage, and the soil with heavy cementation should not be used. It can be mixed with 40% peat + 40% garden soil + 20% perlite, and requires a substrate pH of 5.5 to 7.0. The matrix can be added with an appropriate amount of organic fertilizer or granular hefei, so that the matrix EC value of about 1.0, but should not exceed 1.5.
The cultivation method uses 12 cm to 14 cm pots, and each pot is the best 3; use 18 cm pots, 5 pots per pot, so that the cultivation cycle can be shortened and the plants can be filled quickly.
The cultivation temperature will wear cold and cool plants, and it will not freeze at minus 5 °C for a short time. It can be cultivated in the middle and lower reaches of the Yangtze River in winter, and it can be overwinter in the greenhouse with a single layer of membranes. The suitable growth temperature for the grazing fish is 13°C to 18°C ​​during the day and 10°C to 16°C during the night. A growth environment below this temperature will delay the growth period of the plant; above this temperature will cause the plants to grow long enough to make the plant type not compact enough.
Illumination requires a higher light level as much as possible at a suitable temperature.
Water and fertilizer management Avoid over-drying and over-wetting, and do not allow it to wilt, otherwise it will hurt plant growth. Alternate application of 20-10-20 and 12-2-14+6CaO+3MgO fertilizers with 150-200ppm nitrogen fertilizer weekly.
The plant type is controlled in the warm environment, the willow wears fish grows very fast, and the willow wears the fish's stalk relatively weakly, therefore it is easy to lay down long, sometimes need to carry on the trimming heart or the hormone treatment, like this can plant the high quality product.
Method one: Take two heart-pickups before flowering to induce more flowering shoots; one or two weeks after the upper pot, or when the seedling height is 6 cm to 10 cm with more than three pairs of leaves, pick up the tip. Discard, keep the lower two pairs of leaves to promote branching; after the first picking of the heart for 3 weeks to 5 weeks, or when the collaterals grow to 6 cm to 8 cm in length, perform the second picking, ie, picking up the shoots of the lateral branches. Remove and retain the two pairs of leaves under the side branch. After two pickings, the plant type will be more ideal and the number of flowering will be more.
Method 2: Planting 10 to 50 ppm of paclobutrazol for about 10 days after planting, depending on the ambient temperature, to control the growth of the main stem without affecting the growth of lateral branches; until the lateral branches grow to about 4 cm, the second time can be When used, the concentration can be increased to 30ppm to 80ppm. If the plant type is still showing signs of growth, it can be repeated one or two times later.
Of course, sometimes even two methods need to be combined to achieve satisfactory results.
Disease and Insect Pest Control The willow-bearing fish have better disease resistance and generally have no serious diseases. In terms of insect pests, we must pay attention to the prevention and control of Liriomyza and Thripidae.
Liu Yu Yu Dream Series Cultivation Guide
Liu Yuyu is native to the northern temperate zone of Eurasia and was born on sandy land, hillside grasslands and roadsides. Hi light, more cold-resistant, not resistant to extreme heat, should be moderately fertile, properly moist and well-drained soil. Plant height 25 cm to 80 cm, cylindrical stems, gray-green, hairless cross-section gray. The leaves are shrinking and easily broken. Leaf blade to lanceolate, 3 cm to 8 cm long, entire. Pinnate veins, glabrous. Racemes are terminal, densely flowered, ca. 2 cm long, yellow, white, purple, rose, and other colors. Liu wears delicate fish leaves, flower shape and color is unique, suitable for flower beds and flower margin materials, can also be potted or cut flowers. There are about 100 species in the same family. This article mainly introduces the cultivation techniques for the "Dream" series of willow-wrapped fish.