Notes on the latest planting of raspberries

Raspberries are also known as bubble, and many people would pick raspberries in the mountains when they were young. At that time, wild raspberries in the mountains were fruits and delicious snacks for many of us, but now there are very few wild raspberries. Because most of the land has been developed, raspberries have lost their living land, but there has been an upsurge of planting raspberries in the market, so this delicious food can be preserved. At the same time, it also retains the childhood memories of many people. Today, the pro-agricultural network wants to tell you some minor problems that need to be paid attention to when planting raspberries, but it has a great impact on the yield and service life of raspberries. Interested friends can read them carefully.

1. Variety selection

In fact, raspberries look very similar to strawberries, and their taste is also sour and sweet, except that they taste different from strawberries and grow in different carriers. There are many varieties of raspberries, such as red raspberry, black raspberry, ruby, April bubble, June bubble, tray, double-season red raspberry, etc., there are about ten to twenty kinds of raspberries, but the best variety we artificially plant is double-season red raspberry or black raspberry, which can be harvested twice, and the yield of black raspberry is higher than that of other raspberries. And the nutritional mechanism and taste are excellent.

2. Fertilizer and water management

Despite the fact that raspberries used to be wild, they think that they have any requirements for the beauty of nutrients and water. In fact, it can only show that they are adaptable and can still survive in a harsh environment and can blossom and bear fruit. If you want to plant more raspberries than usual, then you must do a good job of fertilizer and water management. First of all, let's talk about the problem of fertilization. In addition to the base fertilizer, we also need to topdressing it twice. The base fertilizer is usually farm manure, and we also need to add an appropriate amount of urea and phosphate fertilizer. The first topdressing is during flowering, mainly the use of nitrogen fertilizer, which can prolong the flowering period, and during this period, some non-toxic agents can be sprayed to promote fruit growth. The second fertilization is a week after fruit setting, when phosphate and potash fertilizers are mainly used to promote fruit growth, root growth and prepare for high yield in the coming year.

3. Branch and leaf management

We all know that in the process of raspberry growth, its branches and leaves are constantly growing and will continue to extend out, so we should pay attention to the density when planting, so that it has enough space to stretch its branches and leaves. when the raspberry tree survives, it will grow some new branches and leaves, and then we can cut off the older, more fragile or diseased branches and leaves. To reduce unnecessary nutrient loss. When the new branches and leaves grow to 40 or 50 centimeters, we can take off the tips of the new branches, and several lateral branches will grow again in about five days. Increasing the number of raspberry branches is also a way to increase production. After each raspberry harvest, we still need to prune the branches and leaves of the raspberries. This time we are mainly in order to produce high yield in the coming year, so we need to cut off the branches that have borne fruit and wrap them in plastic wrap. In the coming year, new branches will grow and bear new fruit.

4. Disease control

The most common diseases of raspberry are stem rot and powdery mildew. Stem rot mainly harms new branches of raspberry. At first, there are a lot of black spots on the stem, then slowly damage the branches, and the most serious time is the withering of the whole plant. The method of control is to spray 500 times of methyl topiramate or 40% of aluminum ethyl phosphate or 500 times of thiram. On the other hand, powdery mildew can be prevented and treated with 1000-1500 times of powdery mildew. The main pests are moths and beetles. We can trap or spray them directly. The commonly used agents are trichlorfon and dimethoate milk.

5. Harvest and keep fresh

Raspberry harvesting needs to be carried out in batches, each time only those ripe fruit trees are harvested, leaving those half-ripe and green raspberries for the second and third harvest. When picking ripe fruits, we should also pay attention to classifying the good ones and the bad ones. The harvest must be timely, a day earlier, but not too late. If it is too late, the raspberries will either rot or fall to the ground, so we should grasp the time of harvest. Finally, the fruits of raspberries are fragile and preserved for a short time. So we can use the current insurance technology for fresh-keeping, such as low-temperature preservation and inflatable packaging and so on. If the preservation is not done well, then the raspberry will have no value.