The reflection of chlorophyll tester on plant photosynthetic process
Chlorophyll is an important indicator of plant photosynthesis and an indicator of the physiological response characteristics of plants. The synthesis of chlorophyll content and how much not only affect the relevant trace elements, but also the conditions of the habitat conditions of the plant. In some cases, the chlorophyll tester determines the chlorophyll content of plant leaves to some extent reflects the photosynthetic physiological processes of plants.
The YF-YL01 chlorophyll meter can measure the relative content of the current chlorophyll per plant leaf area per plant area, ie the spad value, in a few seconds under field non-destructive conditions. At present, chlorophyll measuring instruments have been widely used in agricultural production of garden trees, corn, potato, rice, wheat, etc., but the accuracy of model prediction of chlorophyll content by different species using spad values ​​is still different.
The chlorophyll content and chlorophyll spad value of Leymus chinensis in different grassland individuals in the same grassland fluctuated within a certain range. The further determination by chlorophyll analyzer showed that the value of spad was 21.850~46.150 and the coefficient of variation was 20.457%~36.921%. The total chlorophyll content of the leaves of Leymus chinensis was the highest, followed by the content of chlorophyll a and the content of chlorophyll b.
Different geographical and climatic conditions between grasslands and different micro-environmental soil conditions, there are certain differences in plant chlorophyll content between different individuals, which is the response of plants to local environmental conditions. The chlorophyll tester has a significant correlation with the chlorophyll content and chlorophyll content. The indirect index of spad value as a chlorophyll content can reflect the chlorophyll content of plants.
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