The new species of grapefruit are the seeds of single-choice seedlings found in 2001 in the village of pingzhou creek. The fruit is of a deep yellow and stable nature, as determined by relevant experts from the specialized committee for the validation of crop varieties of fujian province。
1. 2 basic characteristics
Leafs, buds and fruit peels are yellow and sweet and nutrients are higher than other grapefruits. The fruit, which is orange red and is soft and slender, juicy, sweetness, fragrance and good quality, is the essence of the current honeyfruit. According to years of testing, the species is highly stable, with thick skins, no seed for meat, colour and long shelf life, and new varieties of pre-maturity, abundance and quality grapefruit。
The mey district is part of the subtropical monsoon climate region with an average annual temperature of 21. 5°c, with a long daylight period, a 2,000h annual sunlight, abundant rainfall, and an annual precipitation of about 1,600 mm, suitable for the planting of grapefruit fruit trees. The country's largest production base for grapefruit has been established, with a large number of fruit farmers having extensive experience in the production of fruitfruit and high-quality production techniques for the production of fruitfruit, and with a view to optimizing the structure of herpes, as well as testing and promoting the cultivation of new varieties of goldfruit。
2 protocol for the main techniques for the cultivation of gold honeyfruit
After several years of performance in the pilot seeding areas, a suitable technological system has been explored for the development of cultivation in the region, suitable local parks have been selected, production technologies have been implemented to reduce the quantity of fertilizers and pesticides have been carefully implemented, late harvests, storage, marketing and industrial promotions have been put on the market and packaging have been put on the market. A comprehensive and systematic approach has been put in place to the development of the technology for the cultivation of honeyapple, laying the technological foundation for full application and providing new varieties for the development of the tea industry in mezhou。
2. 1 selection of deep-soiled mountain plantations
Gold teafruit is characterized by a high humidity, fear of flooding, drought resistance, strong plant growth and resistance to disease, with corresponding requirements for climate and soil adaptation, and can grow at an average annual temperature of 17-23 °c or at extreme temperatures of less than -3 °c, the most appropriate temperature being 22 - 32 °c. Land plantations are selected for hilly lands, deep earth, good drainage, sufficient sunlight, micro acid to micro-alkali soils. A physical distance is required from other varieties in order to prevent pollen from colluding, affecting quality and the purity of the fruit. The range is 4 m x 3. 5 m, the range is 4 m x 3 m, and the planting density is appropriate for 40-50 plants. When planted, the bottom of the cave is fed with base fattening, and the root water is wetted with weed。
2. 2 carefully capture critical technologies and maintain and optimize diversity stability
A follow-up tour of the golden beetle began in the district of may in 2013 and began during the winter of that year with seeding from the ping and ping district of fujian province, setting up a model planting base in the towns of pine, rock zone, white wing, matsuguchi, etc. At the same time, a seeding base has been set up for good gold nectar seedlings, with a seedling from the primary parent tree of fujian ping and the county. (c) carefully introduce, demonstrate and reproduce seed resources, and strictly turn off the quality of the trees and ensure that they are of good quality。
2. 3 strict implementation of technical protocols to reduce the use of fertilizers and pesticides and to improve the growth and resilience of high-quality gold teasing plants, suitable for organic production, consistent with the concept of “innovation, coordination, green, open and shared” of modern eco-sustainable development, can lead to green agricultural development. A shift in fertilisation methods is promoted in plant management, with scientific application of recipes and animal manure decomposed and organic fertilizer reduced. Lead to the use of efficient, low-toxic, low-disable pesticides, reduce pesticide residues and produce green, organic gold nectar。
2. 3. 1 fertilizer technology
Young trees fertilize around 15d before the spring, summer, autumn and leaves turn green. Each usage must be moderate to avoid waste or loss of weight. Increased organic fertilisation of the tree is one of the fundamental measures to improve the quality of the fruit. It is supported by organic farmers ' fatty, inorganic fatty and the timely replenishment of trace elements such as boron sand. The application of peanut-basket water or increased potassium fertilizer improves the quality of afruit。
2. 3. 2 water management
The amount of water in the soil should be 60-80% of the maximum water holding. Therefore, there are drains to reduce the water level of the garden soil, whether on slopes or flats. In order to improve the soil environment of euphoria trees, we can use straw, weed, etc. To cover the fruit trays, increase soil moisture, increase the capacity of the root systems to sow and enhance water preservation。
2. 3. 3 integrated pest management techniques
The species has been tested to be more resistant to disease. Infestation, anthrax, black star disease, leaf moths, red spiders, shellworms are common. The timely prevention of pests and diseases through integrated prevention and treatment can effectively improve the quality of production and fruit。
1 agriculture prevention and control: strengthening orchard management, with emphasis on deep soil conversion, increased application of organic fertilisers, enhancement of tree positions, prevention of nitrogen fertilisation and improved resistance of trees to disease and insects。
2. Ecological control: timely removal of useless weeds and wood from orchards and minimization of intermediate hostess of the disease; attention to drainage after the rain, timely clean-up of fallews, bad fruit and affected fruit, centralized burning or deep burial, and reduction of the presence of the source of the disease and the source of the insect. 3. Chemical control: the main diseases of honeyfruit gold are epidemics, anthrax, black star disease, etc., using an integrated treatment approach to the pattern of disease over time. The use of higher aerosolic machines in spray control, reduction of pesticide use, reduction of pesticide contamination and substitution of different drugs to improve the effectiveness of the control。
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