The main cultivars and their varieties of gardenia are big leaf scorpion (also known as big flower scorpion), the leaves of big leaf scorpion are large, the flowers are large, and the aroma is strong; the plants of water scorpion are short and the small leaves are small. Single petal tongue, small leaflets, single petals and mostly wild. In addition, there are varieties such as scorpion scorpion and scorpion scorpion.
Hazelnut flower habits and cultivation characteristics
1. Soil: It should be cultivated with acid soil rich in humus and fertile, which is the key to successful planting in northern families. Generally, one part of humus soil and rotted bean cake fertilizer can be used, and a certain amount of ferrous sulfate is added, or the upper pot is drenched with 0.2% ferrous sulfate or sputum water for 3 to 5 times.
2, cultivation: planting with cutting seedlings and layering seedlings, to ensure that the roots of the plants are fully stretched, while filling the gaps in the roots with fine soil, the density of the filled soil is about 85%, and it is necessary to pay attention to the tightness. The depth is about 1 cm above the root system. Water is poured in time after planting, and it is generally preferred to seep at the bottom of the basin.
3, management and maintenance: the air humidity required by gardenia flowers is large. The principle of watering is to dry out, watering with rain, snow or fermented rice water is better. During the growth period, every 2 to 10 days, a 0.2% ferrous sulfate water or a fertilizer water is applied. Gardenia should be placed in the shade of the shade in the summer, and watering and foliar spraying should be done in spring, summer and early autumn to increase humidity. In the winter, it is better to put the sun in the sun, stop fertilizing, and watering should not be too much. It is often used to flush the leaves with water close to room temperature to keep the leaves clean, especially in rooms with heating in the north. Do not place the flower pot on the front of the radiator or air conditioner to avoid dehydration of the leaves.
4, pest control: Gardenia in the summer high temperature and poor ventilation should occur scale insects, red spiders and soot. It can spray 40% of Lego emulsifiable concentrate 1000 times liquid to prevent scale insects, 40% of triamterol emulsifiable concentrate 1000 to 1500 times liquid to control red spider, and also reduce the occurrence of soot disease. Households can use washing powder for safety. Spraying also has a certain effect.
5, change the basin: generally 1 to 2 years to turn the basin once, the best in the spring, in order to effectively prevent the alkalization of the soil, can be turned over once a year, before the basin must be deducted potted, buckled in the basin after drying When it is loose, it is usually stopped for about 10 days. When changing the pot, cut off some of the roots, such as the roots of the pests, over the roots, and then plant.
6, plastic surgery and pruning: generally in the spring, cut long long branches, weak branches and other branches affecting the shape of the plant to keep the plant shape. Gardenia is the top flower, and the top picking can be carried out during the growing season to promote the growth of flowering branches and increase the number of flowers.
Gardenia can be carried out in spring, summer and autumn, but the survival rate of cuttings from March to April is higher. When cutting, cut the branches from 1 to 2 years from the growing and strong mother plants, cut into 20 cm cuttings, and have more than 3 nodes in each section. Cut the lower leaves and put the lower cutting into 500 ppm. The rooting powder solution was quickly immersed for 15 seconds, and the liquid was quickly dried and then cut. Before the insertion, lay the line on the repaired seedbed at a line spacing of 10 cm and 7 cm, and punch the hole with a small wooden stick. Then insert 2/3 of the insert into the hole and use the surrounding soil to compact and water it. After the survival, weeding and topdressing management, when the seedling grows to about 50 cm, it can be planted.
Fertilization of gardenia is not a very fertile flower, but because of its strong growth, and limited by the limited nutrients of the pot soil, it is necessary to properly supplement the fertilizer during the growth period. The decomposed human excrement or cake fertilizer should be applied every 10 days or so. The watering should be stopped 1 day before the fertilization, and the watering should be poured once a day. Fertilization stopped in mid-September. In adult plants, the sesame sauce is added once in mid-June and mid-August, 0.5-1 for each time, and mixed with the topsoil after crushing.
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