The branches of coffee
The branches of coffee can be divided into the following categories according to their location and growth direction:
One branch: there are two kinds of buds in the axil of the main leaf of coffee. The opposite branch is drawn laterally from the upper bud of the trunk (developing at the same time as the terminal bud of the trunk), which is called a branch.
Second branch: a branch drawn from the axil of a branch at an angle of 45-60 degrees is called a second branch, which is shorter than a branch.
Three branches: branches regularly drawn from the axils of two branches are called three branches.
Other branches at all levels are pushed accordingly. Yunnan small seed coffee can reach up to seven branches.
Secondary branch: a branch that grows irregularly inside or under / under the crown on a first / second branch.
Straight branch: the lower bud of each node of the trunk is mostly in a latent state, when the terminal bud of the trunk is injured or the growth is inhibited, in a short time, the next bud will sprout and pull out the branches that grow vertically, which is called straight branch. some straight branches grow in clusters in the gloomy crown, showing the phenomenon of overgrowth, and the internodes are very long, so they are also called overgrown branches. The growth habit of this branch is similar to that of the trunk, and it can be used to form a new stem during multi-stem shaping.
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The backbone of the coffee tree
Coffee is a shallow root crop, and the plants propagated with seeds have conical roots. Root system refers to the general name of root. The root morphological distribution and depth of shade varieties / soil conditions and agricultural technical measures are different. From the point of view of varieties, the roots of small / medium grain species are shallower, while those of large grain species are deeper. Under normal circumstances, there is a thick and short taproot and many well-developed lateral roots. Yunnan small-grain coffee has a 4-year-old fruit.
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The growth of coffee trees
The growth and fruit of coffee trees varies with different varieties / environmental conditions. In the high altitude area of Yunnan, the small seed coffee cultivated has the advantages of cold climate, large cloud cover, short light and slow plant growth, but the branches develop into sturdy backbone branches after the first branch bears fruit, and the second / third branch has strong ability to produce. The growth is exuberant and the fruit is dense, which is the main fruiting branch, so it is suitable to adopt single trunk shaping. Two / three
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