Accumulation, partitioning, and bioavailability of micronutrients in plants and their crosstalk with phytohormones

초록

Plants take micronutrients from the rhizosphere via roots and translocate them to the other parts (shoot and seeds). These nutrients are very much needed in plant tissues for effective completion of plant's metabolic functions thus their retention and assimilation in plant tissues is of utmost importance. During the whole process of nutrient uptake, translocation and assimilation, various pathways are involved to ensure effective delivery of these nutrients. Micronutrients make a major class of essential plant elements which are though required in very minute concnetrations but are very cruicial for plant's normal body functioning and health. Accumulation of these micronutrients in different plant parts depends upon the mobility of micronutrients within the plant body which is controled by several factors like production of phytohormones. The micronutrient-phytohormones interaction in plant body is very intresting as it brings several transitions in plant's biochemical processes over time. Being a two way interaction, the accumulation and partitioning of these micronutrients frequently control biosynthesis of various phytohormones which are helpfull in maintaing normal physiology of plants. Commulative effectiveness of micronutrient-phytohormones cross talk is an important phenomenon to be studied comprehensively. This chapter emphasizes the bioavailability, translocation, and accumulation of micronutrients considering their role in growth and physiology in plants and crosstalk with phytohormone. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2021. All rights reserved.

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