Sunshine Rose Fruit Expansion Period Management Essential Points!

Sunshine Rose is well received for its beautiful appearance, strong rose fragrance, and crisp and full flesh. It stands out in the grape market. However, Rose is a diploid and the naturally grown fruit is small. It usually needs to be enlarged to ensure the cluster shape of high-quality fruit. Enlarging may seem simple, but it often causes problems such as small fruit, hard fruit, and uneven fruit size, which seriously affects the appearance quality of Sunshine Rose. So, how to scientifically?

01

Precise fruit swelling time

The time of berry swelling must be accurately grasped to achieve the best effect. If the swelling medicine is applied too early, the swelling effect will be and the side effects will be obvious, increasing the risk of hard fruit; if the swelling medicine is applied too late, the fruit will not swell. The best time berry swelling is 14-18 days after berry preservation, and should not exceed 20 days at the latest. At the same time, it is required the fruit particles grow to the size of soybeans, and when the growth is inconsistent, it is necessary to swell the fruit in batches.

02

The selection of the maturing agent is crucial for a formal scientific maturing program.

Ensuring the effect of swelling fruit, eliminating the side effects of the use of regulators, and avoiding the risks that may occur during use

Bloating treatment, that is to say, when the cell division speed of the fruit particles begins to decrease, stimulate the grape to secrete endogenous auxin through external intervention, and slow down the cell division speed. It is generally based on gibberellin, supplemented by pyridoxine. In addition, swelling should be carried out on the premise of sufficient water and fertilizer, the soil water content should not be less than 60%, and nutrients should be and timely supplied. Nitrogen, phosphorus, potassium and calcium are essential elements. Sunshine Rose swelling can not rely on the nutrients absorbed recently, but also pay attention the nutritional reserve before flowering. Adequate reserves will make Sunshine Rose more calm and confident. The biggest nutrient warehouse is the branches, followed by the leaves. Therefore, should be paid to the input of nitrogen fertilizer and calcium fertilizer before flowering, so that the branches are thick, tender and green, so that the stored nutrients are sufficient, and nutrient transport capacity is stronger.

03

Management requirements before and after swelling

1、Thoroughly complete thinning and pruning before fruit swelling. The earlier this work is done, the more concentrated the nutrient supply, the less waste the faster the fruit grows, and the more uniform the size. So remember to complete the thinning work before fruit swelling. 2、Sunshine Rose will have a lot wounds after thinning, and the spores of pathogens are particularly prone to invade and lurk from the wound position, and then burst out in large quantities when the conditions are suitable. Therefore, after thinning, use agents to thoroughly treat the fruit clusters, seal the wounds, and prevent pathogens from invading

3. After fruit swelling, it is necessary to strengthen field water and fertilizer management. Fruit swelling mainly relies on water and fertilizer, so sufficient water fertilizer should be provided during this stage. Generally, high-nitrogen water-soluble fertilizer Kangran Quick Calcium 5-10 kg/mu is used, with Quick Calcium, to promote rapid fruit swelling. 4. Pay attention to the regulation of temperature and humidity in the greenhouse. The Sunlight Rose is sensitive to temperature humidity during the swelling period. Generally, the temperature in the greenhouse should be kept below 30℃, and the highest should not exceed 33℃. The air humidity 60%-80% is conducive to fruit swelling. 5. Be alert to sunburn and avoid sun-affected fruit when planting Sunlight Rose in rain shelter or outdoors. Generally, more leaves can be retained above the fruit cluster to block the sun. On the west side, pay attention to laying shade net, and try to bird flight frames to make branches cross each other to achieve the effect of shading.