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High-knot bamboo is an excellent type of bamboo shoot that has a high yield, bamboo shoots are delicious, processing performance is good, and economic efficiency is increased. It is an important resource and characteristic industry in many areas. Chlorophyll is the main pigment of plant photosynthesis, which is closely related to the high yield and high quality of plants. Therefore, using chlorophyll analyzer to analyze the effect of environment on the chlorophyll value of high-knotted bamboo leaves can provide a reference for the efficient cultivation of tall bamboo forests.
In the study, the chlorophyll values ​​of tall bamboos from 1 to 3 years old were determined using chlorophyll analyzers for different slopes, slope positions and aspect directions. The effects of standing bamboo age on chlorophyll values ​​of high-knotted bamboo leaves were studied and analyzed. The effect of slope on the chlorophyll value of high-knotted bamboo leaves, the effect of slope position on the chlorophyll value of high-knotted bamboo leaves, and the effect of slope direction on the chlorophyll value of high-knotted bamboo leaves.
The results of the chlorophyll analyzer test indicated that the chlorophyll value of tall bamboo leaves showed a tendency of height as the age of bamboo increased, and the chlorophyll content of the leaves of the 2 and 3 years was significantly higher than that of the 1 year old bamboo; The leaf chlorophyll value of the 2-year-old and the 3-year-old seedlings in uphill and mid-slope positions had a significant effect on the chlorophyll value, but the effect on the 1-year-old standing bamboo and the downhill standing bamboo was not obvious, and the chlorophyll value of the leaves decreased as the slope increased. With the increase of slope, the chlorophyll value of the leaves showed a downward trend. The slope had no obvious effect on the chlorophyll value of the 1-year-old leaves. The influence of the chlorophyll value on the chlorophyll value of the 2-year-old stalks increased. Significantly; the chlorophyll value of the leaves on the slopes of Yangpo is higher than that of the shady slopes, and the slope direction obviously affects the chlorophyll value of the 1-year-old leaves, but the chlorophyll values ​​of the leaves of the 2-year-old plants have a significant effect on the whole. Therefore, it can be concluded that the slope direction, slope, and slope position mainly affect the chlorophyll value of the 2-year-old bamboo, so it is necessary to select the slope section of the sunny slope or the steep slope of the sunny slope for efficient cultivation of high-knotted bamboo.
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