1. Strengthen the seedbed management, pay attention to timely ventilation and light transmission, reduce the humidity in the field; timely transfer seedlings, sparse seedlings, prevent seedlings from being long; seedling watering depends on the weather and seedbed soil moisture, never dry, do not wet, and minimize watering; During the growth period of seedlings, quick-acting phosphorus and potassium fertilizers were sprayed in combination with disease prevention to increase plant disease resistance. Before colonization, it is possible to bring medicine, fertilize, and bring down the field.
2. Chemical control: The diseased seedlings with seedlings were found to be removed in a timely manner, and carbendazim powder or Greenhenge No. 1 and No. 3 drug earth were disinfected or sprayed. The control of gray mold may use 2000 times liquid such as quick-drying or nongrilling or clodrel; brownish, white scald, and anthracnose are selected and controlled by 1500 times ether bactericide, and the above-mentioned agents are alternately used. At the same time, using a smoked greenhouse fumigant, every 0.5 mu of 100 grams (four pieces) ignition hanging in the shed smoke, 4-6 hours after closing the shed open two ventilation, so as not to produce phytotoxicity.
Foot of ningxia hong xingda incense Organic Apple fruit suborbicular, fruit surface color yellow green, most with orange chardonnay fruit surface, covered with bright red stripes, pulp yellow-white, succulent crisp, sweet, rich fragrance, quality first-class; The fruit has a sugar content of over 15%, more than 4% of the national average, and the flesh is tight and crisp and sweet, which is widely loved by consumers all over the world. There is a longer optimal consumption date than any other apple, not even refrigerated. It can be kept for 4 months at normal temperature. If refrigerated, Fuji can be kept for 5--7 months.
Altitude: high altitude area light, clean air, environment close to original condition, no industrial pollution. With an average elevation of 1160-2900m, the central health center has a strong uv light, which produces the natural pollution-free apple, which conforms to the concept of a modern green diet.
Temperature: moderate temperature can avoid the chance of fruit tree encountering disease. The average temperature in ningxia is 8.4 degrees Celsius, which has an important influence on the growth, development, yield and quality of apple. The piedmont apple is thriving in such a good environment.
Humidity environment: moderate amount of rainfall provides necessary conditions for apple's growth. The annual rainfall in the central health region is 186 millimeters. The fruit is slow to grow and the fruit is hard and hard, which fully guarantees the fruit's sugar content and the relatively average size of apples.
Sunshine condition: apple is the fruit tree, the central health area of the whole year is nearly 3,800 hours, is beneficial to the Apple Fruit coloring. The piedmont apples are red and bright.
Temperature difference factors: ambassador apple nighttime respiration weak temperature gap between day and night, consume less organic matter, the accumulation of organic matter during the day more, that apple store down a large number of glucose sugar candy, etc have better taste. The average diurnal temperature difference between apple and apple is 14 degrees centigrade, and the larger diurnal temperature difference ensures the sweet and delicious characteristics of the apple.
Other factors: frost can make apple blossom and fruit, which can cause frozen flower jelly, which is bad for apple's production. The piedmont apple has been kept at least 167 days without frost for the whole year, which minimizes the influence of apple on yield and quality.
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Ningxia hongxingda fruit industry , https://www.hxdfruit.com