Foliar Application of Adenosine Increases Fruit Size of Solanum Lycopersicum, Citrus Reticulate, and Persea Americana

Lovatt, Carol J.; Selvaraj, Akshitha; Khuong, Toan

doi:10.17660/actahortic.2014.1042.24

Cited by 2 publications

(2 citation statements)

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“…These effective characteristics were manifested in the growth vigor of both roots and shoots, leaf area and yield attributes and significantly increased the contents of nitrogen, phosphorus and potassium in leaves (Al-Juboori, 2016;Aldesuquy et al, 2018;Hussein and Al-Doori, 2021). Similarly, adenosine applied to the root zone of tomato plants significantly increased the total fruit number per plant 1.9-and 2.3-fold and the fruit diameter 1.6-and 1.7-fold (Lovatt et al, 2014). On the other hand, foliar application of adenosine also resulted in a significant increase in yields of clementine mandarin and avocado.…”

Section: Discussionmentioning

confidence: 99%

“…On the other hand, foliar application of adenosine also resulted in a significant increase in yields of clementine mandarin and avocado. Adenosine has been shown to have great potential to increase grower income by increasing fruit size, total yield and fruit quality (Lovatt et al, 2014). Previous studies have shown that adenosine and adenine have a great contribution to promoting plant growth and improving quality and yield, but the effects on soil nutrients have not been reported.…”

Section: Discussionmentioning

confidence: 99%

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Beneficial shift of rhizosphere soil nutrients and metabolites under a sugarcane/peanut intercropping system

Tang

Zhang

et al. 2022

Front. Plant Sci.

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Intercropping systems have been studied as a sustainable agricultural planting pattern to increase soil quality and crop yields. However, the relationships between metabolites and soil physicochemical properties remain poorly understood under sugarcane/peanut intercropping system. Thus, we determined the rhizosphere soil physicochemical properties, and analyzed rhizosphere soil metabolites and root metabolites by metabolomics method under monoculture and intercropping patterns of sugarcane and peanut. The results showed that pH, the contents of total phosphorus (P), total potassium (K), available nitrogen (N), available phosphorus (P), and available potassium (K) were higher in rhizosphere soil of intercropping peanut than monoculture peanut, and the content of total P was higher in rhizosphere soil of intercropping sugarcane than monoculture sugarcane. Sugarcane/peanut intercropping also significantly increased the activities of acid phosphatase and urease in rhizosphere soil. The metabolomics results showed that 32 metabolites, mainly organic acids and their derivatives (25.00%), nucleotides and their metabolites (18.75%), were detected in root and rhizosphere soil samples. In the MP-S (rhizosphere soil of monoculture peanut) vs. IP-S (rhizosphere soil of intercropping peanut) comparison, 47 differential metabolites (42 upregulated) were screened, including glycerolipids (19.15%), organic acids and their derivatives (17.89%), and amino acids and their metabolites (12.77%). In the MS-S (rhizosphere soil of monoculture sugarcane) vs. IS-S (rhizosphere soil of intercropping sugarcane) comparison, 51 differential metabolites (26 upregulated) were screened, including heterocyclic compounds (15.69%), glycerolipids (11.76%), and organic acids and their derivatives (9.80%). The metabolite species from MP-S, MS-S, IP-S, and IS-S were similar, but some metabolite contents were significantly different, such as adenine, adenosine, maltotriose, thermozeaxanthin-13 and PE-NMe (20:0/24:0). Adenine and adenosine were detected in root and rhizosphere soils, and their levels were increased in the intercropping treatment, which were mainly related to enhanced purine metabolism in root and rhizosphere soils under the sugarcane/peanut intercropping system. Importantly, adenine and adenosine were significantly positively correlated with total P and total K contents, acid phosphatase and urease activities, and pH. This study clarified that the sugarcane/peanut intercropping system could improve soil nutrients and enzymes and was related to purine metabolism.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%