[Explanation] From the afternoon of October 12th, the staff of Huangshan Scenic Area in Anhui Province began to build a support platform around the Huangshan Welcome Pine to prepare for the next physical examination.
At 9:30 a.m. on October 20th, an expert group composed of experts from forest diseases and insect pests, plant physiology, soil nutrition, tree cultivation and maintenance and other related disciplines and professional technicians from the scenic landscape bureau, on-site inspected the growth state and growth of the pine pine. A comprehensive survey of the environment.
[Concurrent] Xu Xiaoniu, professor and doctoral supervisor of Anhui Agricultural University
The growth is okay, because we said that this ancient tree cannot grow too fast. One or two centimeters a year is enough. As long as its leaves are full, buds are full, and the leaves are green, it is very healthy.
[Explanation] It is understood that this comprehensive physical examination is the fifth "comprehensive examination" ushered in in the millennium "tree life" of Huangshan Yingke pine. During the physical examination, the evaluation of the growth potential of ancient and famous trees, the improvement of the growth environment, the tree body will be carried out. Anti-corrosion and restoration, tree support and reinforcement, pruning of dead tree branches, forestry pest control, etc.
[Concurrent] Shu Qinglong, professor and doctoral supervisor of Anhui Agricultural University
Some pests and diseases are easy to breed on (moss), or scrape it off, and scrape it (moss) with bamboo chips.
[Explanation] On the temporary scaffolding platform, the members of the medical examination team, wearing helmets and vests, were methodically scattered around the welcome pine.
In order to inspect the work in a comprehensive and detailed manner, the inspectors work in groups of three or four. Some of them gently hold the branches and leaves with their hands, and carefully observe the color of the needles and the fullness of the terminal buds with a magnifying glass; Half squatted and used vernier calipers to accurately measure the length of pine needles and terminal buds; some stood beside the trunk of the welcoming pine, tapped every inch of bark lightly, and carried out in-depth analysis of the parts that may harbor hidden dangers of diseases and insect pests or damage. Check and clean up.
[Concurrent] Shu Qinglong, professor and doctoral supervisor of Anhui Agricultural University
So now it can be said that the welcoming pine is currently growing very normally.
It is manifested in several aspects: then one is the growth of new shoots, which is relatively normal compared with the previous one; the second color is also relatively normal; the third bud is also relatively full, and the growth is very normal.
The second in terms of pests and diseases, it seems that the control is basically very good, and there are no obvious pests and diseases.
The third is the tree body. In the past, we took some protective measures, and repaired the damage to the trunk. Today, most of them are OK. There are very few cracks and shedding. In the next step, we need to further repair and improve .
[Explanation] After the on-site inspection, the members of the expert group and the professional garden technicians of the scenic spot had a full discussion on the protection of Yingke pine. See obvious symptoms of pest damage, normal vegetative growth and good growth."
[Explanation] It is understood that the results of this expert inspection, evaluation and discussion will provide an important basis for the formulation of a comprehensive and comprehensive protection plan for Yingke Song.
The welcome pine physical examination program will end on October 31.
Reported by Liu Honghe, Luo Jinghui, Wang Lei, Huangshan, Anhui
Responsible editor: [Liu Xian]