Mycorrhization as a tool for regulating the stress tolerance of sweet cherry in sustainable agriculture
Abstract
Encouraging the implementation of sustainable agriculture practices is a crucial strategy for plant health, biodiversity conservation, and addressing food security challenges. One of the key sustainable solutions involves the use of arbuscular mycorrhizal fungi to establish mycorrhizal associations. This study aimed to determine the impact of mycorrhization on the intensity of root colonisation by endomycorrhiza and the response of sweet cherry to the adoption of sustainable practices. The study investigated the effectiveness of root inoculation in sweet cherry using a formulation containing propagules of four fungal species: Glomus intraradices, Glomus mosseae, Glomus agregatum, and Glomus etunicatum. The research was conducted in the Southern Steppe of Ukraine. The experiment employed field, microscopic, biochemical, and statistical methods. The degree of root colonisation by arbuscular mycorrhizal fungi under mycorrhization was assessed. The ability of Glomus fungi to establish an effective mycorrhizal symbiosis with sweet cherry roots has been confirmed, as indicated by an increase in both the frequency of detection and the intensity of mycorrhizal infection. The impact of endomycorrhizal root inoculation on tree growth parameters was investigated. A tendency towards an increase in the annual stem diameter increment, total annual shoot growth, and leaf area was observed. Leaves of inoculated trees with AMF contained higher moisture levels and exhibited greater water retention capacity. The total chlorophyll (a + b) content and their ratio in leaf tissues of inoculated trees were significantly higher than in the control. A substantial increase in ascorbate and phenolic compounds was recorded in the leaves of mycorrhized trees. Root inoculation with arbuscular mycorrhizal fungi enhanced the activity of antioxidant enzymes while reducing the content of malondialdehyde. These findings may support the promotion and implementation of organic sweet cherry cultivation technologies in line with the Sustainable Development Goals and the European Green Deal initiatives
Keywords
Prunus avium L.; arbuscular mycorrhizal fungi; trees; symbiosis; sustainable practices; adaptability; biopreparation
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