The management of late-maturing red Fuji apple from fruit ripening to pre-shearing winter period not only relates to the quality of the apples in the year, the level of commodity rate, but also plays a key role in the growth and development of fruit trees in the coming year. Therefore, the following management work should be done. Tethering traps Harmful red-and-white spiders, whitefly, and leaf roller moth, which injure fruit trees, climb down the trunk in the form of larvae or adults before the onset of winter, and hide in the cracks in the trunk and roots in the soil. After climbing out, they climbed up the trunk and climbed up the parasites. Using the habit of pests, the traps could be tied to the trunks. It has a strong attraction to pests. When pests enter the dormant zone, they are burned and culled, which can significantly reduce the number of pests and control the occurrence of damage in the coming year. Timely bag removal bags early, poor fruit surface, poor color, dark skin, poor appearance; poor bag coloring, low sugar content, timely removal of bags in order to obtain high quality bagging fruit. Generally, the growth time of the apple in the bag is 90 to 100 days. The bag can be removed 15 to 25 days before the normal harvest of the fruit. The Fuji apple has a sugar content of 12% or more, and the fruit surface can be removed by removing 70% or more of the green bag. The bag-removal time should be avoided during the high-temperature period of one day, or the bag should be removed on a cloudy day. The double-layered paper bag shall be excluded from the bag first, and then removed from the inner bag after a period of 3 to 5 sunny days. The single-layer bag, the black bag inside the black strip, or the black bag inside the outer flower may be torn into strips after the bag is stripped for 2 to 3 days. Cloudy bags should be taken carelessly on cloudy days. In the morning, except for the fruit bags on the north and west, after 3:00 pm, the fruit bags on the east and south sides were removed. The silver reflective film is placed under the canopy immediately after the bag is removed from the bag to increase the light and promote coloring. During the period of laying reflective film, it can effectively increase the reflective intensity of 60%~70%, significantly increase the degree of coloration of the pods in the fruit trees, and increase the sugar content of the fruits. The film can be removed within 1~2 days before fruit picking. Prepare for the next year. The surface of freshly-picked and freshly-picked fruit was young, poor adaptability to the outside world, and pests and diseases were easily invaded. At this time, the fungicide and calcium supplement could be sprayed in an appropriate amount. Picking the leaves and turning the fruit timely remove the shading leaves, fruit leaves, yellow leaves, leaflets, and thin leaves around the fruit. The total amount of the picked leaves accounts for 15% to 20% of the total leaf amount, and the light transmittance is preferably 30%. After the light-receiving surface of the fruit meets the requirements, gently rotate the fruit to color it on the other side and fix it with tape when necessary. In order to increase the commodity rate of the bagged fruits in stages and to produce more high-grade fruits, the harvest should be carried out in batches according to the coloring of the fruit. When harvesting, it should be done gently, lightly, lightly, and lightly, avoiding human injuries as much as possible, and retaining the maximum product rate of fruits. Fertilization in September and October was the third peak of apple growth, and it was also a critical period for apple coloring. This period is the period when the dormancy of apple trees is based on nutrient accumulation and nutrient return of apple trees. In this period, organic fertilizer is mainly used, with phosphorus and potash fertilizers, and as little or no nitrogen fertilizer is applied as late as possible. During this period, organic manure is mainly applied to farmyard manure, which is between 4000 and 5000 kilograms of Mushi, and is supplemented with appropriate amounts of phosphorus and potash to increase the degree of coloration and sugar content of the apple. It also helps to accumulate large amounts of nutrients for winter tree dormancy. ready. After clearing fruit trees in clear gardens, the leaves, weeds, rotten fruits, etc. of these overwintering pests should be promptly cleaned up, and buried or burned in a concentrated manner. The old rough skin and rot should be scraped off, and burned and then sprayed. The fungicide, such as lime sulfur and agricultural anti-120, wiped out pests at the initial stage. As people pay more attention to the concept of health, nature, and non-hazard, the more people demand pure natural plants in their daily lives. Raw Herbal Powder,Raw Root Powder,Plant Powder,Raw Plant Powder Amazy Organic Biotech Co.,Ltd , https://www.amazyorganic.com
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Late-maturing Red Fuji apple coloring period to winter pre-shear management