Detailed Explanation of Nursery Stock Maintenance Standards and Scientific Management Methods

The post-planting management work after nursery stock planting is completed, including watering, pruning, weeding, pesticide application, and replanting of missing plants, is collectively referred to as maintenance. So, what are nursery stock maintenance standards?

Nursery stock management is part of landscaping management. So-called landscaping maintenance refers to the management and maintenance of plants such as green spaces and vegetation. It is still a new industry, and due to the particularity of the industry, it is being recognized by society. Three grades have been established for maintenance management standards.

Grade One Standard:

1. Good growth vigor: the growth amount exceeds the average growth amount for that tree species and specification.

2. Healthy and robust leaves: leaves shed normally, leaves are large and thick, and under normal conditions, there is no yellowing, scorching, curling, or leaf drop, and no insect droppings or insect webs on the leaves.

3. Healthy and robust branches and trunks: no obvious dead branches or dead forks; branches are thick and strong; overwintering branches have already become lignified; no live eggs or live insects of trunk-boring pests; the tree crown is complete and attractive, the branching point is appropriate, the main and lateral branches are evenly distributed and appropriate in number, and the canopy is well ventilated and bright.

Grade Two Standard:

1. Good growth vigor: the growth amount reaches the average growth amount for that tree species and specification.

2. Normal leaves: leaf color, size, and thickness are normal; the number of plants with relatively severe yellowing, scorching, curling, insect-carrying leaves, insect webs, or dust-covered leaves is below 2%.

3. Healthy and robust branches and trunks: no obvious dead branches or dead forks. The number of plants with trunk-boring pests is below 2%. The tree crown is basically complete, the main and lateral branches are evenly distributed, the tree crown is well ventilated and receives light, and most flowering shrubs have been pruned.

Grade Three Standard:

1. Growth vigor is basically normal.

2. Leaves are basically normal: leaf color is basically normal, with plants showing severe yellowing, scorching, curling, insect droppings, insect webs, and dust.

3. Branches and trunks are basically normal: no obvious dead branches or dead forks; the number of plants with trunk-boring insects is below 10%. More than 90% of tree crowns are basically complete and have a landscaping effect. The rate of missing plants is below 6%.

In fact, nursery stock maintenance work is relatively simple. It is only necessary to pay attention to basic management work such as later-stage watering, topdressing, and pest and disease control, and most plants can reach the Grade One Standard.