Effect of Some Biostimulants on the Vegetative Growth, Yield, Fruit Quality Attributes and Nutritional Status of Apple

Although the application of chemical fertilizers to crops promotes plant growth and yield, their continuous use affects soil heath and creates environmental pollution. On the other hand, plant biostimulants improve nutrients absorption, plant growth, yield and produce quality and are environment-fri...

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Bibliographic Details
Published in:Horticulturae 2023-01, Vol.9 (1), p.32
Main Authors: Mosa, Walid F. A., Sas-Paszt, Lidia, Głuszek, Sławomir, Górnik, Krzysztof, Anjum, Muhammad Akbar, Saleh, Abaidalah A., Abada, Hesham S., Awad, Rehab M.
Format: Article
Language:English
Subjects:
Agrochemicals
Algae
Crop yield
Fertilizers
Flowering
Food quality
Fruit set
Fruits
fulvic acid
Fulvic acids
Leaves
Malus domestica
moringa leaf extract
Nutrients
Nutritional status
Plant extracts
Plant growth
Plants (botany)
Quality management
Sandy loam
Sandy soils
seaweed extract
Seaweeds
Sediment pollution
Soil pollution
Soils
Spraying
Trees
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Summary:Although the application of chemical fertilizers to crops promotes plant growth and yield, their continuous use affects soil heath and creates environmental pollution. On the other hand, plant biostimulants improve nutrients absorption, plant growth, yield and produce quality and are environment-friendly. Therefore, an experiment was conducted during 2021-22 to evaluate the effect of some biostimulants on the performance of the apple cv. Anna, planted in a sandy loam soil at Marsa Matruh governorate, Egypt. Ninety trees were randomly selected and sprayed with 4 or 6% moringa leaf extract (MLE), 0.3 or 0.4% seaweed extract (SWE), 1000 or 2000 mg L−1 Fulvic acid (FA), 4% MLE + 0.3% SWE + 1000 mg L−1 FA (combination 1), or 6% MLE + 0.4% SWE + 2000 mg L−1 FA (combination 2) before flowering, during full bloom and one month later and compared with a control (untreated trees). The results demonstrated that spraying MLE, SWE or FA or their combinations positively improved the vegetative growth, fruit set %, fruit yield and fruit physical and chemical characteristics as well as leaf nutritional status. The positive effect of MLE, SWE and FA was increased in parallel to an increase in the used concentration of each one of them. The highest increments in the measured parameters were accompanied by the application of combination 2 over the other treatments.
ISSN:2311-7524
2311-7524
DOI:10.3390/horticulturae9010032