Transcriptome and Metabolome Analyses Reveals the Pathway and Metabolites of Grain Quality Under Phytochrome B in Rice (Oryza sativa L.).

All the amino acids and derivatives, organic acids, phenolic acids, alkaloids, nuclei and derivatives, and flavonoids that decreased were almost significantly negatively correlated with the 1,000-grain weight, grain length, and grain chalkiness rate but positively correlated with the head rice rate (Fig. 5 B).

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