Effect of Naa and Ga3 on growth, yield and quality attributes of phalsa (Grewia subinaequalisd. C) cv. Sharbati

Dwivedi, A. K.; Tripathi, Varun; Pandey, Shailesh

doi:10.5958/0976-4615.2023.00023.6

Cited by 1 publication

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“…Studies have shown that NAA affects floral sex ratio and helps with root initiation, apical dominance, fruit setting ratio, fruit falling prevention, vascular tissue differentiation (Mehraj et al, 2015), increased fruit size (Yadav et al, 2017), induced early flowering, augmented flower production and reduced flower and fruit drop (Yamgar and Desai, 1987). In terms of fruit quality, several authors stated that by treating NAA to strawberry fruit, growers can increase anthocyanin accumulation (Yadav et al, 2017), total sugars, ascorbic acid content, and titratable acidity (Kumar and Tripathi, 2009;Bhople et al, 2020). Nonetheless, synthetic auxin can also stimulate leaf senescence and leaf and fruit abscission (Zhu et al, 2011), in addition, it can delay fruit maturation and blooming time (Yadav et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Plant biostimulants as natural alternatives to synthetic auxins in strawberry production: physiological and metabolic insights

Cardarelli,

El Chami,

Rouphael

et al. 2024

Front. Plant Sci.

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The demand for high-quality strawberries continues to grow, emphasizing the need for innovative agricultural practices to enhance both yield and fruit quality. In this context, the utilization of natural products, such as biostimulants, has emerged as a promising avenue for improving strawberry production while aligning with sustainable and eco-friendly agricultural approaches. This study explores the influence of a bacterial filtrate (BF), a vegetal-derived protein hydrolysate (PH), and a standard synthetic auxin (SA) on strawberry, investigating their effects on yield, fruit quality, mineral composition and metabolomics of leaves and fruits. Agronomic trial revealed that SA and BF significantly enhanced early fruit yield due to their positive influence on flowering and fruit set, while PH treatment favored a gradual and prolonged fruit set, associated with an increased shoot biomass and sustained production. Fruit quality analysis showed that PH-treated fruits exhibited an increase of firmness and soluble solids content, whereas SA-treated fruits displayed lower firmness and soluble solids content. The ionomic analysis of leaves and fruits indicated that all treatments provided sufficient nutrients, with heavy metals within regulatory limits. Metabolomics indicated that PH stimulated primary metabolites, while SA and BF directly affected flavonoid and anthocyanin biosynthesis, and PH increased fruit quality through enhanced production of beneficial metabolites. This research offers valuable insights for optimizing strawberry production and fruit quality by harnessing the potential of natural biostimulants as viable alternative to synthetic compounds.

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Section: Introductionmentioning

confidence: 99%