Determination of Leaf Area of ​​Xu Xiang Kiwifruit by Leaf Area Analyzer

Kiwifruit is an extremely nutritious fruit. Most of the varieties that can grow normally in the alkaline soils of the coastal areas and the Huanghuai Plain are mainly Xuxiang Kiwifruit. The results of this variety are early, yield is high and stable, and the quality is excellent. The leaf is an important vegetative organ for its growth and development. Its area directly affects the life activities of the plant, and is related to its yield and quality. Accurate and rapid determination of leaf area is important for the study of fruit trees in the process of growth and development, leaf development and leaf area growth, leaf photosynthesis and water relations, leaf and fruit ratio and the development of a reasonable cultivation method, pruning and fertilization program, has important Guiding significance. The leaf area can be measured using a leaf area meter for an efficient and rapid determination.

At present, there are many methods for determining the leaf area, such as photoelectric planimeter method, digital camera analysis method, leaf mold method, transparent grid plate method, fresh sample weighing method, pattern sample weighing method, planimeter method, regression equation method, etc. Variety. In actual production and application, some of the above methods need to destroy the plant, affecting the normal growth and development of the plant and the formation of biomass. Some analysis processes are cumbersome, but the regression equation method does not measure the leaf in vitro and the operation is simple and accurate. It has great application value. Using Xuxiang kiwi fruit as the test material, the leaf area measurement instrument was used to explore the regression method for single leaf area, total leaf area per unit shoot, and total leaf area of ​​the whole plant, providing relevant research for 'Xu Xiang' Kiwifruit in the production process. in accordance with.

Through the research test of the appeal, the leaf area analyzer can select the oil representative plants in the actual research process, select several representative new shoots on each plant, and estimate the leaves of each new shoot based on the number of leaves. Area, and then calculate the average value of the selected new shoot area, using the total number of new shoots per plant multiplied by the average leaf area of ​​the shoot, estimate the total leaf area of ​​the plant, and then estimate the leaf area of ​​the whole park. The application of the leaf area meter greatly shortens the time for the study and the results are more accurate.

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