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Grafting technology of tea tree in tea planting

Time: August 17, 2020 Number of hits:

Tea planting Grafting technology of Chinese tea

Tea grafting is an effective measure for tea variety improvement in tea production, which has the advantages of easy operation and high survival rate. After two years of comprehensive management, the tea plants with poor varieties and low yield can be put into production, and the effect is remarkable. The grafting technology of tea plant is introduced as follows.

1、 Stock selection

The tea plants with good growth, low yield and poor varieties should be selected for grafting improvement.

 Grafting technology of tea tree in tea planting

2、 Scion selection

Good varieties such as "Yunkang 10", "Yunkang 14" can be selected as scions. The scion should be one-year-old lignified branches with strong growth, no diseases and insect pests, reddish brown stem bark and plump buds. Cut off the leaves of the collected branches, bundle them into bundles and tie them with variety labels. The day of grafting is the best.

3、 Grafting period

The best grafting time is from January to February every year.

4、 Grafting process

1. Cutting rootstock: cut off the tea tree that needs to be grafted and improved at 10-15 cm above the ground, and leave 1-4 strong branches for grafting.

2. Rootstock cutting: a longitudinal incision was made from the xylem of the cross-section of the rootstock with a grafting knife, with a depth of 2.5-3 cm.

3. Scion cutting: the length of scion should be 5-6cm, and one bud should be reserved. The upper end of scion should be cut at 0.5cm away from the bud, and one knife should be cut on the left and right of its lower part to form a wedge. The cutting length of scion is the same as that of rootstock.

4. Jointing: insert the cut scion into the cutting of Rootstock to make the cambium of scion align with the cambium of rootstock, and finally bind the grafting interface and scion with plastic strip, only the ear bud is exposed.

5、 Management after grafting

1. Rootstock sprouting: after tea plant grafting [HTTPS: / / www.novmv. COM /], rootstock sprouting must be removed in time to ensure scion survival.

2. Unbound: when the grafted scion grows to more than 20 cm, the binding can be released. The survival of grafted plants should be continued to cultivate rootstocks, and then grafted the following year.

Fertilizer application should be strengthened to promote the survival of tea plantation.

4. Pruning: the grafted plants need to be pruned to form a good framework.

(Chen zuoshu, tea technology promotion station, Lianghe County, Yunnan Province, postcode: 679200)

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