Chrysanthemum maintenance tips
Chrysanthemum Maintenance Tips:
Zinnia belongs to the family Asteraceae, the millenia genus, also known as white AI, jade hibiscus, hibiscus. It is a perennial evergreen sub-shrub, widely cultivated in the middle and lower reaches of the Yangtze River, especially in Shanghai and Jiangsu. It is often used for potting or making bonsai. It is suitable for balcony, indoor and garden viewing. The leaves are lightly touched by hand, and the aroma is attacking people. It is like Aixiang, and it is like wild chrysanthemum, which makes people cool and comfortable, refreshing and refreshing.
The gerbera plant is 60~120 cm high, and the leaves are tightly clustered on the top of the branch. The narrow ovate wedge shape is 2~3 cm long and 0.3~0.5 cm wide. The apex is oval, the leaf base is wedge-shaped, and there is no serration. The leaf is silver. Gray pubescent. The head flower is nearly spherical, golden yellow, 4~5 mm in diameter, and is born in the upper leaf axils. The flowering period is from August to September. Xiangju looks like silver leaf chrysanthemum, but the leaves are more delicate and fragrant. It is a specialty flower of Huai'an City, Jiangsu Province.
Xiangju is native to south and south of China. It is warm and humid, with a suitable temperature of 15~25°C, heat resistance and good growth at 35°C. More cold-resistant, winter temperature is about 0 °C, the middle and lower reaches of the Yangtze River should be wintering in the cold room, after the frost falls into the house, Qingming to Guyu out of the house. Xiangju Xiguang, spring, autumn and winter grow under full sunlight, the daily light is not less than 6 hours, Xiangju is a short-day plant, and the summer heat is slightly shady. It should be grown in loose, fertile and well-drained sandy loam soil. The soil acidity and alkalinity requirements are not strict, and it grows well at pH 6~7.5. Hi dampness, rainy season to prevent sputum drainage, to prevent stagnant water from dying. Xiangju Xifei, in the growing season to be thin and diligent.
Germination began in early April, and the rapid growth period of new shoots from early May to mid June was inhibited by high temperature growth in summer and secondary growth in autumn, but the growth was not as large as spring. The shoots have strong germination ability, are resistant to pruning, and the branches are soft and easy to shape.
(1) The upper pot of chrysanthemum is usually planted with cutting seedlings which are initially formed in 2~3 years old, and should be purchased from March to April. If you want to breed small seedlings, you can buy seeds for spring sowing. The upper basin can be used with purple sand pots, hexagonal pots or rectangular pots. The potting soil is made up of garden soil, manure and sand according to 6:1:3, and is in the basin from late March to early April. The bottom of the basin is filled with green yarn. Xiangju is afraid of water accumulation. The bottom of the basin should be placed with a layer of coarse carbon residue or broken tiles as the drainage layer. Put the decomposed cake fertilizer or the hoof as the base fertilizer. After planting, the water will be poured. The next day, the roots will be poured again to make the roots closely connect with the soil. .
(2) Plastic pruning potted chrysanthemum can be turned into a natural shape, the cloud is layered, lying curved, generally has 3~4 main branches, divided into 3~4 layers, the lower layer is larger, the upper layer is smaller, the lower part is lower One branch can also be made into a relatively long floating branch, hanging over the lower part of the basin. Plastic surgery should be carried out in the slow growth period from March to April and from August to September. The gerbera branches are fine and brittle. Care should be taken when shaping and the force should not be too strong.
In the growing season, Xiangju should attach great importance to pruning and picking the heart, and timely remove the dense branches, long branches and cross branches. In mid-May, the fresh shoots will be 2~4 cm short when they grow to 8~10 cm. Between the branches, the extra branches between the upper and lower layers, and then placed in a sunny place, after 10 to 20 days, the young shoots re-emerge, the new silver-gray leaves are very beautiful. With the growth of the new shoots, the old leaves of the base will gradually die, and the old leaves should be wiped off before the germination and after the short cut. In the middle and late July, if the new shoots grow vigorously, they can be topped 1 or 2 times.
(3) Fertilizer and water management Xiangju Xi Weixi Fertilizer, fertilization should be mastered after the first thin and thick, the amount of small diligence and the rational cooperation of nitrogen, phosphorus and potassium. In the growing season, every 10 to 15 days, the cake fertilizer water should be applied once, in the late growth stage and after the flowering period, the phosphorus and potassium fertilizer should be applied, and 0.2% urea and 0.1% potassium dihydrogen phosphate can be sprayed on the foliage. Use organic fertilizer must be decomposed, high temperature weather should stop fertilizer or apply a small amount of inorganic fertilizer. Potted chrysanthemums are changed once every 2 years. In autumn or when changing pots, base fertilizer should be applied. Generally, decomposed cake fertilizer or manure is used, 20~100 grams per pot.
Xiangju watering is more strict, and it needs to be timely, timely, appropriate, and thoroughly poured. Watering according to the growth, temperature and humidity, watering once a day or every other day in spring and autumn, watering once in the morning and evening in the summer, and watering once in the winter 7~10 days. Watering should be timely and there should be no wilting and dehydration. The amount of water to be planted should be considered in different stages of growth and development. Different climate changes should be watered in moderation. The flowering period should maintain a certain humidity of the soil, which is conducive to seeding and avoiding watering. Xiangju is most afraid of water, and the potholes should be inspected before the rainy season. After the rain, the water should be poured in time.
(4) Pest control pests are strong in disease resistance, less pests and diseases, common leaf black spots or brown spot, powdery mildew, mites, red spiders, scale insects and leaf-feeding pests, etc., timely inspection and control, leaf spots The disease can be treated with 50% carbendazim or 75% chlorothalonil 800~1000 times, and powdery mildew can be controlled 1000 times with triadimefon. Xiangju's aphids are heavier, and once found, it is necessary to spray 1000 times of imipenem in time. In the larval stage, the scale insects are sprayed 2 times 3 times with a 40% speed killing at 1000%. Red spiders were treated with 15% broom emulsifiable concentrate 2000 times.
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