Biostimulants: An Alternative to Chemical Pesticides for Crop Protection

Chaturvedi, Ambika; Saraswat, Pooja; Singh, Ayushi; Tyagi, Parul; Ranjan, Rajiv

doi:10.1079/9781789248098.0010

Cited by 3 publications

(1 citation statement)

References 137 publications

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“…Application of endophytic Aspergillus resulted in a significant rise in the content of chlorophyll, protein contents, total sugar, and phenolic component of infected plants [18]. Endophytes are microorganisms that produce improved, growth-stimulating, and antimicrobial compounds that grow naturally within plants [27][28][29]. The application of Aspergillus as a biostimulant was documented to enhance chlorophyll contents and morphological growth attributes in different stressed crops via modifiable osmolytes and enzyme activities [30,31].…”

Section: Introductionmentioning

confidence: 99%

Endophytic fungi Aspergillus spp. reduce fusarial wilt disease severity, enhance growth, metabolism and stimulate the plant defense system in pepper plants

Attia

Salem

Abdelaziz

2022

Biomass Conv. Bioref.

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Plants in various republics of the world face many dangers, including diseases that threaten crop productivity. The development and increase of novel species of infectious pathogens have made plant growth threatened. Fusarium wilt is one of the fiercest diseases affecting vegetables, which causes a great loss in the quality and quantity of pepper plants all over the world. In this study, stimulation of physiological immune responses in pepper plant using ecofriendly inducers (Aspergillus alabamensis, Aspergillus oryzae, and Aspergillus tubingensis) against Fusarium wilt had been studied. Endophytic fungi were assayed for their capability to synthesize hydrocyanic acid, phosphate solubilization, siderophores, and indole acetic acid synthesis, and the antifungal potential of ecofriendly inducers against F. oxysporum was also examined. A notable antifungal potential antifusarial with a supreme activity of A. tubingensis was found. More ultrastructure by TEM of Fusarium showed that sharp changes occurred in the cell wall, mycelium, and conidia as a result of treatment with A. tubingensis, A. oryzae, and A. alabamensis. The results demonstrated the high severity of F. oxysporum on pepper seedlings. Infected seedlings showed a high reduction in all vegetative parameters, photosynthesis, entire protein, and total carbohydrate. In the current study, the potential of endophytic fungi through foliar and soil application was applied to the Fusarium-infected pepper plants under pot conditions. Disease index, vegetative growth, photosynthetic pigments, osmolyte content, stress markers, and antioxidant isozymes were assessed. The achieved result indicates that tested endophytes through two modes (foliar and soil) lowered PDI and produced high protection, with the most protection influence represented by A. tubingensis (through the soil) by 83.33%. It was concluded that use of A. tubingensis, A. alabamensis, and A. oryzae could be commercially used as eco-friendly agents for the defense of pepper seedlings against Fusarium wilt disease.

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Section: Introductionmentioning

confidence: 99%

Endophytic fungi Aspergillus spp. reduce fusarial wilt disease severity, enhance growth, metabolism and stimulate the plant defense system in pepper plants

Attia

Salem

Abdelaziz

2022

Biomass Conv. Bioref.

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Amino acid‐based biostimulants and microbial biostimulants promote the growth, yield and resilience of strawberries in soilless glasshouse cultivation

Ranasingha,

Perera,

Baghalian

et al. 2024

J of Sust Agri & Env

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IntroductionThe increasing demand for strawberries in the United Kingdom, valued for their flavour, nutrition and economic significance, presents challenges in maintaining consistent production, especially under various biotic and abiotic stress conditions. Traditional reliance on conventional agrochemicals to meet these demands is tempered by concerns about their health and environmental impacts, paving the way for eco‐friendly alternatives, such as biostimulants. However, their efficiency in commercial table‐top systems for June‐bearing and ever‐bearing strawberries under glasshouse conditions remains underexplored.Materials and methodsThis study investigated the efficiency of two commercial biostimulants in enhancing the growth, productivity and resilience of two strawberry varieties: ‘Malling Centenary’ (June‐bearer) and ‘Malling Ace’ (ever‐bearer) strawberry cultivars in a soilless hydroponic system within an unheated glasshouse. ‘Vitalnova Prime’ (VP), an amino acid and peptide‐based biostimulant derived from yeast, was applied every 2 weeks as a foliar spray (1 mL/L), whereas ‘Vitalnova Triboost’ (VT), a microbial inoculant with live cultures, was incorporated into the medium post‐transplanting (500 g/m3).ResultsVP significantly enhanced vegetative growth in both cultivars, resulting in substantial increases in number of leaves, crowns, crown diameter and shoot biomass accumulation compared to the control. VT also effectively improved multiple growth parameters compared to the control. Both biostimulants similarly improved crown formation and shoot dry weight in ‘Malling Centenary’. In terms of yield, both VP and VT increased yield in ‘Malling Ace’; notably, VP significantly enhanced the number of marketable fruits by 55% and average fruit weight by 56% compared to the control. Additionally, both biostimulants significantly reduced the occurrence of diseased fruits in both cultivars.ConclusionThis study demonstrates that biostimulants significantly enhance the growth, yield, and resilience of strawberries in soilless cultivation systems within unheated glasshouses. These findings suggest that biostimulants offer a sustainable and promising approach to addressing the increasing global demand for high‐quality strawberries.

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Amino Acid-Based Biostimulants and Microbial Biostimulants Promote the Growth, Yield, and Resilience of Strawberries in Soilless Glasshouse Cultivation

Ranasingha,

Perera,

Gerofotis

et al. 2024

SSRN Journal

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Biostimulants: An Alternative to Chemical Pesticides for Crop Protection

Cited by 3 publications

References 137 publications

Endophytic fungi Aspergillus spp. reduce fusarial wilt disease severity, enhance growth, metabolism and stimulate the plant defense system in pepper plants

Endophytic fungi Aspergillus spp. reduce fusarial wilt disease severity, enhance growth, metabolism and stimulate the plant defense system in pepper plants

Amino acid‐based biostimulants and microbial biostimulants promote the growth, yield and resilience of strawberries in soilless glasshouse cultivation

Amino Acid-Based Biostimulants and Microbial Biostimulants Promote the Growth, Yield, and Resilience of Strawberries in Soilless Glasshouse Cultivation

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