After-ripening, an extension of seed maturation is pivotal for seed dormancy release, which has implications for germination and subsequent seedling robustness. The efficacy of this process varies with species traits, storage conditions, and environmental factors. Rice (Oryza sativa L.) is one of the most important food crops in China. Understanding the complex physiological and molecular processes in rice after-ripened seeds is paramount for enhancing agricultural productivity.
published a paper entitled,"Preliminary identification of the changes of physiological characteristics and transcripts in rice after-ripened seeds," on 25 April 2023.
In this study, researchers evaluated the process of after-ripening in Nipponbare seeds, including germination percentage , seedling percentage , germination index , and associated molecular andFreshly harvested NPB seeds exhibited deep dormancy, only 10% GP, 6% SP and 0.3 GI. The GP, SP, and GI of NPB seeds were 98%, 98%, and 5.2 at 56 DAR.
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