Influence of cultivation practices on the metabolism of cytokinin and its correlation in rice production

We have summarized nitrogen uptake, translocation, and metabolism, as well as cytokinin synthesis, translocation, and signaling, with a focus on the coordination of CTKs and nitrogen in the regulation of root-shoot relationships and their impact on agronomic traits of crops lay. In general, the synthesis of trans-zeatin (tZ) and tZ-riboside (tZR) has been upregulated by nitrogen in the roots and they are translocated to the shoots, thereby regulating nitrogen portioning and metabolism and photosynthetic properties and the yield can be influenced. AbstractCytokinin (CTK) has an important regulatory effect on plant morphology, physiology, and yield, and is one of the main factors regulating nitrogen absorption, transport, and metabolism. This paper reviews the research progress in nitrogen absorption, transport and metabolism, cytokinin synthesis, transport and signal transduction, etc., focusing on the physiological mechanisms by which CTK and nitrogen collaborate to regulate the root –shoot relationship and its impact on agronomic traits of crops. The synthesis of trans-zeatin (tZ) and trans-zeatin riboside (tZR) is generally regulated by root nitrogen, which is transported them to the sprouts, regulates nitrogen allocation and metabolism, and affects photosynthetic characteristics and yield. In young shoots, nitrogen upregulates the synthesis of isopentenyl, adenine (iP), and iP-nucleoside (iPR) and transports to roots through the phloem, reducing nitrogen uptake and trans...
Source: Food and Energy Security - Category: Food Science Authors: Tags: REVIEW Source Type: research