Dwarf Apple Rootstock Stress Responses: A Key to Climate-Resilient Apple Cultivation amidst Abiotic and Biotic Challenges
DOI:
https://doi.org/10.24925/turjaf.v13is1.2553-2560.8122Keywords:
Dwarf Apple, Biotic Stress, Abiotic Stress, Apple Rootstock, Apple ChallengesAbstract
In modern apple farming, dwarf apple rootstocks are crucial. They manage tree size, boost fruit quality, and help trees handle different climates. With climate change making conditions like drought, salinity, and extreme temperatures more severe, and with rising pest and disease issues, developing stress-resistant rootstocks is now a top priority. This review examines recent findings on how dwarf rootstocks, specifically the M.9, B.9, and Geneva series, cope with these challenges. Research shows they have remarkable resilience, thanks to improved water-use efficiency, better nutrient uptake, and clever hormonal regulation. Modern tools like genomics and gene editing are quickly helping us identify the genes responsible for this resilience. We're also discovering that beneficial microbes in the soil can partner with these rootstocks, which further improves their stress tolerance and overall soil health. The connection between the rootstock and the scion the apple variety grafted onto it is also crucial. Their interaction directly impacts on the tree's growth, how much fruit it produces, and its ability to withstand stress. This is why selecting the right combination is key to a successful orchard. Moreover, producing defensive compounds like tannins, phenolic acid and tannins associated with physiological resistance. Turns out into favorable conditions such as adjusting osmotic environment may lead to biochemical resistance. Furthermore, to limit the impact of stress, it is necessary to modernize and improve irrigation techniques, selection of resistant rootstock and cultivars, implement biotechnological tools. Combining these approaches can help crops thrive despite challenging conditions. In this review, we study the notable biotic and abiotic stress impacted apple tree along with available dwarfing rootstock and their resistance mechanisms. Moreover, address the challenges and problems in dwarfing rootstock in terms of adoptability and compatibility offering valuable insights to improve stress management in fruit growing.
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