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Crop and Pasture Science Crop and Pasture Science Society
Plant sciences, sustainable farming systems and food quality

Abiotic stress tolerance in crops vs climate change: outlook of physiological, biochemical and molecular mechanisms

Extreme temperatures or availability of water and nutrients represent critical challenges for maintaining crop productivity, and with the accelerating impact of climate change, these abiotic stresses are increasingly detrimental to agriculture. To combat this, it is essential to enhance crop resilience by understanding the physiological, biochemical, and molecular mechanisms governing plant response to environmental constraints. In recent years, high-quality research exploring molecular signalling, oxidative stress, and antioxidant defence, was integrated with ‘omics’ strategies for understanding stress tolerance in crops. Cornerstone discoveries resulted from the studies of gene regulation under single/multi-stress tolerance, and innovative strategies based on ‘New Genomic Techniques’ and Artificial Intelligence are expected to improve our capacity in stress mitigation. Contributions leveraging wild species and genetic resources for developing resistant varieties are also expected. Time will therefore reveal whether we are witnessing a new green and sustainable knowledge revolution in agriculture to face the impellent climate change.

Collection Editors
Dr Mohd. Kamran Khan (Selcuk University, Turkey)
Dr Enrico Francia (University of Modena and Reggio Emilia, Italy)

Last Updated: 17 Sep 2024

We investigate the role of some genes in betel palm under thermal stress, an increasing problem for the plant’s survival as climate change progresses. This gene family plays a fundamental role in tolerating heat stress. We identified 34 genes, of which eight exhibited enhanced expression under heat stress. The role of this gene family in betel palm’s heat tolerance mechanisms is revealed, providing valuable insights into the plant’s ability to withstand heat stress in a changing climate.

This article belongs to the Collection Abiotic Stress Tolerance vs Climate Change.

CP23183Role of RNA interference in drought stress management: physiological, biochemical and molecular approach

Naveen Sihag 0000-0001-9113-7333, Tushadri Singh 0009-0001-0582-7096, Sonia Sheoran, Omvir Singh, Rekha Malik, Lokendra Kumar and Jogendra Singh

Plants respond to various abiotic stress (drought) tolerance through physiological, biochemical and molecular mechanisms. RNA interference (RNAi) plays a crucial role in regulating molecular response to stress. This review discusses, in addition to RNAi, the fine tuning of miRNAs using CRISPR/Cas9 to enhance the precision of gene expression regulation and increase plant tolerance to drought stress.

This article belongs to the collection Abiotic Stress Tolerance vs Climate Change.