Xizhijiazhuang, a town of Nanzhiqiu, Xinji City, is a pear tree production professional village. The village has more than 2,000 acres of pear trees. Since the 1990s, the village has successively added some pears and pear trees to Huangguan pear and emeralds. pear. Today, after many years of hard work, these trees are scarred, tree vigor is weak, and fruit growers do not know how to manage them. They are in urgent need of guidance from experts. On December 30, 2015, at the invitation of Guonong Tao Ruisuo, this newspaper handed a hand to Shijiazhuang New Rural Loud Speaker Broadcasting Center and invited Professor Li Aiguo from Shijiazhuang Agricultural School to the village.
When he entered Liyuan, the fruit growers who had already gathered in the garden immediately surrounded the experts and then pulled him to a pear tree to find out what was wrong with the management. According to the fruit farmers here, their gardens are mainly high-rising yellow crown pears and emerald pears. They mainly want experts to look at the difference between the two high-rising pear trees.
Professor Li thought that the management level of the pear orchard here was still relatively high, but after many years of high turnover, the tree was rather weak. For these two kinds of pear tree management, experts say that different pear varieties have different growth characteristics and result characteristics, and management techniques for pruning are different, and management should be treated differently.
“Huangguan Pear is a hybrid breed of Snow Pear and the new century. It has both the characteristics of Snow Pear and the characteristics of the sand pear system. Everyone knows that Golden Pear, Feng Shui, Yuan Huang and other varieties in the Sand Pear System. There is a problem, that is, the result of the aging of the Zhizu Group is too fast, only the new article can be used to rotate the results. Therefore, the pruning should grasp this keynote. Look, the branches of the trunk and the main branch of the tree may have been raised for seven or eight years. Most of the branches and the resulting branches have become old, and there are many delicate and long branches. This shows that the tree has become very weak. No one can bear the good fruit at all.†As Professor Li observed, he spoke to everyone. “What is the reason that this pear tree has so many delicate long branches? The main reason is that we don’t always update the results. Every year, the results of the old sticks group cause. According to the current situation, rejuvenation has become an urgent problem to be solved."
"How to rejuvenate the tree?" asked a fruit farmer.
"Don't worry, let me talk slowly. We are here in the old pear district. Everyone knows that the pear tree is the first year's long strip. The slivers that grow out are the flowers in the second year. Therefore, the pear trees are often The lower part has a bunch of short fruit branches, which are the main shoots we use, and the measures we take for these branches are the first year, the second year, the third year, and the fourth year. As a result, the ability will drop, so you have to replace it with another item. Huang Guan Pear is not the same as Sydney Pear and Yali Pear. The result of the result is that the branches and branches can hold the results for a very short period of time. Not updated.
In addition, when we look at this tree again, these old branches will have many new ones. How can they be dealt with, and can we all remove them? Professor Li asked with a stick and pointed at the banner that grew on the tree.
"You can go to some." Some fruit farmers answered.
"Yes, it's obviously not okay to get rid of them. If we remove all these new clauses, everyone thinks that there aren't anything inside, especially our happy-shape tree. If we remove the slivers inside each year, Pulling in and out of the room is empty, and there will be serious relocation of the result. Even if there is a result, there will be no good results.
So, how to prevent the resulting parts from moving out? It is very simple, that is, the slivers in the inside should not be pulled out. If some slivers change their angles, they will be able to produce good results. As a result, the branches and branches will be cultivated and the output will naturally come up. â€
Experts explain and practise demonstrations for everyone.
“Everyone looks at this behind-the-street branch, the old one is throwing it here, and the white one is not working. It is not to be cut off; the back branch is also weak, and it can be properly raised to raise the angle and raise it; this is thin and weak. The branches, even if they are sitting on the fruit, are not growing well, and they retract and throw away the branch next to it, which also replaces the result. At the same time, everyone must remember that the dumping does not make these branches straight and long. It's definitely not okay with the sky throw, and it's long and straight, and the last one will grow very strong, and it won't be used till the last point. This is a bar that was dumped for a year last year. If it is appropriate, it can be pressed down to replace the weak branches of the front end; as a result, the branches and branches will see the flowers retreat. Do not put them in such a long time."
With the expert's explanation, in 10 minutes, a pruned tree appeared in front of fruit growers. Expert explanations and pruning techniques were recognized by the fruit farmers. Many farmers listened and nodded.
After finishing the pruning of Huang Guanli, the fruit grower invited the expert to a green pear orchard.
The reporter saw that this green pear orchard had a lot of troubles. There were many short fruit bunches on the main branch, and the branches on the tree were very messy.
“These branches can reach two or three meters in length each year. This is the biggest defect of the Emerald pear tree. The branches can be very long. There are farmers who have unplugged these items in the past management process. The result is that the The more the strips are pulled in. In addition, the short-fruiting branches that are on the main branch are already weak, and they cannot bear good results. What is the reason that leads to such a situation? The main reason is that the green pears have strong branching ability. The strong growth, coupled with the early unloading of the pears, results in the inability of accumulated nutrients to be consumed, especially when the branches coming out of the spring have fruit that consumes its nutrients, it will not be strong and long, once the fruit is harvested, it will smash Prof. Lee asked everyone who pointed it out. "What measures should we take to control this feature of Emerald Pear?"
Seeing that there was no answer from the fruit farmer, Prof. Li began to explain: “As far as the use of the branches on both sides can be utilized, instead of the short fruit branch, the fruit quality of the knot is higher than that of the short fruit branch. For example, this side branch has space to put it Pulling it down and throwing it away is a matter of fruition. As the age of the shoots gradually recedes, the later slivers come out and the results are updated with the new ones. In this way, the strength of the lush green pear tree can be controlled. In addition, the idea is to make the green pear tree maintain a moderate force, and sometimes it is possible to leave it with a pillar, that is, to use a center strip, cut a bit more and cut it, and then branch out again. Keep a small center to do it. The purpose of leaving this center is to allow the nutrients to spread upward and prevent the main branch from falling."
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