The overview of the existing methods to determine the chlorophyll content in the plant leaves is given in the article. The photometric determining method is analyzed, the sampling peculiarities of the maizeleaves of the hybrids with different early maturation are revealed. The procedure of the plant sample preparation for the analysis is described. The necessity for the rigid fixation of the sampling and test preparation conditions in order to obtain the reproducible analysis results is identified (revealed).
chlorophyll, photometry, leaves, maize hybrids
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