A string of red plants are neat, leafy, bright and colorful, and are the protagonists of the holiday greenery. However, the potential of a string of red flowers in the four seasons has not yet been fully utilized in the north. Its flowering period can also be extended and the ornamental value can be further improved. The author believes that establishing the following understanding and adopting the following two measures can release its potential and prolong the flowering period.
First, a string of red is a tropical flower native to Brazil that can bloom in hot summer.
A string of red originated in Brazil. Most of the country’s territory is between the Equator Line and the Tropic of Capricorn. It is hot and rainy all year round. It is the origin of many tropical flowers, such as Catalan, Caterran, Folium, and Artillery. Flowers, lotus, water tower flowers, Ji Feng pear and a string of red and so on. A string of red and the origin of this tropical rain forest climate adapt to the habit of a tropical flower: hi warm and hot, hi sunshine and half shade, hi humid fear of drought, fear of frost and cold.
Furthermore, Hainan, Shandong, and Liaoning provinces all have a series of objective facts of “flowering in each of the four seasons†and still blooming in midsummer. It also proves that red strings have the habit of tropical flowers that are resistant to heat and heat. However, a bunch of reds are as dry and hot as the native blue orchids and bougainvillea flowers. It is known that there are no droughts in the tropical rainforest climate in the northern part of the country of origin, the tropical ocean in the southeastern plain, and the subtropical forest climate in the southern end. A string of reds on the savannah, like other plants, has a wet season that is lush and withered in the dry season. It also shows its intransigent and dry nature.
Therefore, the reason why a string of reds is not resistant to heat and cultivated as a festive flower is mainly extensive management. A string of reds is entering the flowering period in May and June. To maintain the prosperity of the flowering period, it is necessary to continuously and massively supplement nutrition. However, the current large-scale green planting can achieve watering after planting, and it is difficult to apply base fertilizer before planting. After planting, weeding soil, top dressing, watering, plastic trimming, coordinated vegetative growth and reproductive growth , it can only be done in precious flowers and facial attractions. After a string of red enters the reproductive period, the nutrient distribution is characterized by flowering and fruiting. If the nutrients absorbed by the root system do not meet the requirements for flowering and seed setting, the nutrients in the implant, together with the structural materials, will be redistributed and combined again to supply the need for reproductive growth. Because the summer is approaching this time, it leads to misunderstandings on people's understanding: the string of red is not hot and the flowering period is not summer.
Second, let a string of red in the northern flowering season in May.
1. The sowing hybrid contemporary dwarf red has a higher ornamental value, the growth period is also short, about 80 to 100 days, and the high string of red is up to 4 or 5 months. It is best to purchase the hybrid dwarf red seeds for sowing and reproduction. . The growth period refers to the number of days from sowing to flowering at a suitable temperature of 20°C. Therefore, solar greenhouses and plastic greenhouses must have heating facilities and be planted in mid-January in order to guarantee the flowering of May Day.
In order to cultivate a string of red flowers of a full flowering type within 100 days, soaking and germination must be applied to shorten the emergence period. After soaking in warm water for one night, the seed coat was rubbed and then germinated at a suitable temperature of 20°C. After forming a small white dot (radical embryonic form) on most seed coats, it can be sown with root fluid and fungicide. This will shorten the emergence period from 10 days to about 1 week.
A string of red emerged from a pair of cotyledons to a second pair of true leaves, which is prone to blight, and once spread, it quickly spreads. Seed and seedbed soil carriers are internal causes, seedbeds are low temperature and high humidity, small seedlings are crowded, and air ventilation is not an external cause. The prevention and treatment shall be based on the disinfectant seed dressing and the seedbed soil for disinfection treatment. The cover film shall be removed to reduce the humidity and the seedlings shall receive the sunlight. The seedling stage should be checked frequently. Once a disease is found, it is immediately sprayed with 5% Jinggangmycin 200 times. Seedlings (boxes, alfalfa) have high humidity and high planting density, and they are easily susceptible to disease but also lead to leggy. Therefore, when the first and second pair of true leaves are grown, the seedlings are transplanted in the cold bed of the seedling shoots. When the second pair of true leaves is unfolded, the topping promotes the development of a full-grown plant type, and the third pair of true leaves in the cohesive state is also erased.
2. Cutting a bunch of red and tender branches and cuttings is very easy to survive, and can advance 1 (dwarf string red) to 2 (high string red) months into the flowering period. If the multi-branch cuttings are directly carried out in the flower pots, it will only take 50 days to grow potted plants with a full bloom of leaves and leaves, and a large number of flower heads competing to open.
The basis of cuttings is that in the first year of October, select strong plants, and leave three or five strong branches for each plant, leaving only 5 to 6 cm for each branch. Then it was moved into a plastic greenhouse and planted, and when it was potted, it was moved into a shed and piled up. After the irrigated water, it covered the plastic shed. In winter, conventional greenhouse insulation (covering blankets at night) and lighting (dry blankets) are only required. In March and April, a large number of new shoots will be taken from these mother plants for cutting propagation. In May, flowers can be cut in advance 80 days, and in July and National Day flowers can be cut 70 days in advance. A string of red hi fertilizer avoid bodied drought, cuttings survived planting or basin, should increase fertilizer and water supply.
Third, to strengthen management, so that a string of red flowers through the summer to autumn.
In view of the above analysis of the reasons for the short-term and rapid wilting of a string of red flowers, it is not difficult to find out the measures to extend the flowering period:
1. Improve soil fertilizer and water content and root absorption and supply capacity Practice has proved that before planting, apply 10 grams of diammonium per plant enough base fertilizer, combined with shamrock loose soil and watering, each plant per month 3 to 5 grams of compound fertilizer Shi. Coupled with timely watering to prevent drought, basically meet the nutritional needs of plant growth and development.
2. Control flowering spikes and seeds, coordinate vegetative growth and reproductive growth. Starting from the middle of full bloom, the opening and closing flower spikes should be cut off in time, but the lower leaves should be kept to control the post-flowering seed setting. The flower buds on the dense branches, weak branches, pendant branches and short branches have low ornamental value, but consume a lot of nutrients and often compete with the growth of branches and leaves for nutrition and destroy the coordination of vegetative growth and reproductive growth. Therefore, these flower spikes must be sparsely removed, not to be elongated, and even not to be opened. This improves the nutritional status of the foliage and leaves the plants in midsummer and still has the ability to draw strong branches and spikes, so that a string of red flowers can still bloom in the hot summer months and last until September and October, thus prolonging Flowering period to enhance ornamental value.
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