The relationship between chlorophyll and yield of sesame and the changing rules of different growth periods Sesame is one of the important oil crops in China, and it is also a traditional export-oriented crop, which occupies a very important position in the adjustment of crop structure. To obtain high yields of sesame, it must be ensured that the “source†is large, and this so-called “source†refers to the amount of photosynthesis products. It is a feasible way to increase production by accumulating more photosynthetic products per unit time. Photosynthesis of plants is done in the chloroplast and the chlorophyll content is closely related to the photosynthetic rate of the leaves. The sesame seeds are hi-light crops, and the leaves are the main organs for photosynthesis of sesame. Therefore, it is helpful to understand the relationship between chlorophyll content and sesame yield for the measurement of chlorophyll content in sesame leaves. The chlorophyll measurement method can use the chlorophyll meter for rapid measurement and analysis. Knitted Skirt
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Using the SPAD502 chlorophyll meter to measure the chlorophyll content of nearly one hundred sesame seeds, the relationship between chlorophyll content and yield was analyzed. It was found through analysis and comparison that the chlorophyll content was positively correlated with the yield per plant, but it was not significant. , indicating that increasing the chlorophyll content has a certain direct effect on the yield increase; the chlorophyll content is significantly or extremely significantly positively correlated with plant height, fruit stem axis length and 1000-grain weight in the yield component factors, indicating that increasing the chlorophyll content is mainly through increasing the plant height. The length of the stem of the main stem and the indirect effect of increasing the weight of one thousand grains are used to increase the yield. In the further analysis and understanding of the sesame seeds that have been found to have a relatively high chlorophyll content during the planting process, it is very helpful for increasing sesame yield.
Chlorophyll meter was used to analyze the chlorophyll content of sesame at different stages. Chlorophyll content was different at different developmental stages, was lower at the early flowering stage, then gradually increased, and reached the highest at the final flowering stage. The chlorophyll change pattern is consistent with that of rice, wheat, and other grains.
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