Growth enhancement of agricultural crops using seaweed liquid fertilizer

Parab, Akshada; Shankhadarwar, Sunil

doi:10.14719/pst.1439

Cited by 3 publications

(1 citation statement)

References 19 publications

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“…In a more sustainable approach, alternative methods have been explored to improve food production, and to ensure the quality and environmental safety (Vicente et al, 2021). In recent years, the use of seaweeds in sustainable agriculture has increased due to the numerous bene ts that improve crop productivity and stress resilience: fertilizers, biostimulants, root promoters, germination enhancers, phytoelicitors, resistance inducers to biotic and abiotic stress, antibacterial and antifungi (Ali et al, 2021;Shukla et al, 2021;Deolu-Ajayi et al, 2022;Parab & Shankhadarwar, 2022).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Baja Peninsula seaweeds against plant pathogens

González-Castro,

Rojas-Contreras,

Romero-Bastidas

et al. 2024

Preprint

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The widespread use of synthetic pesticides to control pests has generated serious consequences on the environment and human health. Currently, efforts focused on the search for new pesticides with less impact on the environment have been doubled. Marine algae synthesize compounds with activity against various agricultural pests (insects, nematodes, and fungi); however, marine pesticides are an underdeveloped alternative. This represents an opportunity to explore new sources of compounds. The objective of this work is to evaluate the antimicrobial, nematicidal and insecticidal activity of seaweed extracts against pathogens of agricultural importance. Therefore, seaweeds were collected from different locations at the Baja California peninsula, Mexico, and ethanolic extracts were obtained. The antibacterial and antifungal activity against five phytopathogenic strains and Fusarium oxysporum was evaluated by disc diffusion on agar. Nematicidal activity was assessed by egg hatching inhibition on Meloidogyne incognita and insecticidal activity against maize weevil Sitophilus zeamais. Regarding the antibacterial potential, Laurencia johnstonii, Asparagopsis taxiformis and Dictyota dichotoma showed higher inhibition against all the strains. Padina concrescens exhibited the highest percentage of egg hatching inhibition against M. incognita (59%) followed by L. johnstonii (48%). All the seaweeds cause mortality of S. zeamais. However, the highest insecticidal activity was found on L. johnstonii (71.9%). Red and brown seaweeds showed in general higher content of total phenolic compounds. Red and brown seaweed showed great potential for the control of phytopathogens through appropriate agricultural practices. However, further research is necessary to identify the active compounds.

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Section: Introductionmentioning

confidence: 99%

Evaluation of Baja Peninsula seaweeds against plant pathogens

González-Castro,

Rojas-Contreras,

Romero-Bastidas

et al. 2024

Preprint

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Effect of Seaweed Liquid Fertilizer on Sorghum bicolor and Pennisetum glaucum

Lad,

Khopekar,

Parab

et al. 2024

Curr Agri Res Jour

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Millets are small-seeded grasses belonging to the family Poaceae that help in human and animal nourishment. They are mostly grown by using chemical fertilizers which are depleting soil fertility. Organic fertilizers are eco-friendly and help to enhance the growth and development of plants thereby maintaining soil health. Seaweed liquid fertilizer (SLF) are organic fertilizers that can be used to control the side effects caused by harmful chemical fertilizers. The present study was carried out to check the effects of seaweed liquid fertilizer on the growth and development of millets. Different concentrations of seaweed liquid fertilizer (0.25%, 0.50%, and 0.75%) were prepared from Sargassum cinerum, Ulva intestinalis, and Padina tetrastromatica, which were tested on Sorghum bicolor and Pennisetum glaucum. Growth parameters like root length, shoot height, flowering-fruiting, and biochemical analysis like proteins were analyzed by using seaweed liquid fertilizer and chemical fertilizer. Plants treated with 0.50% concentration of seaweed liquid fertilizer showed higher protein content. Total chlorophyll was found to be higher in treated plants than in control plants. Flowering and fruiting were observed earlier in seaweed liquid fertilizer treated plants. This concludes that seaweed extracts can be used as a promising alternative to chemical fertilizers, which plays a significant role in the holistic growth enhancement of plants.

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Study of the effect of Seychelles seaweed fertilizers on the parameters of growth and development of Betula pubescens propagated in vitro

Evlakov,

Port-Louis,

Port-Louis

et al. 2023

Forestry Engineering Journal

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In recent decades, organic farming, which does not use artificial chemical fertilizers and pesticides, has become increasingly popular in the world. Since ancient times, seaweed has been used as a plant growth stimulant to produce high-quality environmentally friendly products. At the same time, their influence on tree crops has not yet been sufficiently studied. The article examines the effect of Seaweed Seychelles Liquid®™ microfertilizers based on algae from the Seychelles on the growth and development of downy birch 15-1, propagated in vitro. The objects of study were explants at the multiplication stage and plants transferred into pots for growing in greenhouse conditions. Microfertilizers at a concentration of 10, 15, 20, 25 % vol. were added to the woody plant medium (WPM) for the cultivation of woody plants, supplemented with growth regulators 300 µg/l benzylamino-purine (BAP) and 200 µg/l indolyl-3-acetic acid (IAA). The manufacturer's recommended concentration 20% vol. was used when transferring to non-sterile conditions. Plants were cultivated under controlled conditions in in vitro laboratory and greenhouse for two weeks and two months, respectively, after which changes in morphometric parameters were recorded. The results obtained indicate the stimulating effect of organic fertilizer when using concentrations of 20 and 25% vol. on birch microclones in vitro. More significant stimulation was observed for potted plants, where the growth of experimental objects was 22% higher than control plants at the end of the experiment. The results of the experiments allow us to recommend organic fertilizers from seaweed to stimulate growth processes in woody plants when using concentrations of at least 20% vol. when cultivated in pots.

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Growth enhancement of agricultural crops using seaweed liquid fertilizer

Cited by 3 publications

References 19 publications

Evaluation of Baja Peninsula seaweeds against plant pathogens

Evaluation of Baja Peninsula seaweeds against plant pathogens

Effect of Seaweed Liquid Fertilizer on Sorghum bicolor and Pennisetum glaucum

Study of the effect of Seychelles seaweed fertilizers on the parameters of growth and development of Betula pubescens propagated in vitro

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