Role of seaweed extract on growth, yield and quality of some agricultural crops: A review

Begum, Mahima; Bordoloi, Bijnan Chandra; Singha, D. D.; Ojha, Nayan Jyoti

doi:10.18805/ag.r-1838

Cited by 42 publications

(48 citation statements)

References 26 publications

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“…In recent years, the use of seaweed extracts and humic substances as plant growth stimulants has been increasing. Seaweed extracts and humic acids can promote plant growth, enhance abiotic stress tolerance as well as increase nutrient use efficiency [6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

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Changes in Assimilation Area and Chlorophyll Content of Very Early Potato (Solanum tuberosum L.) Cultivars as Influenced by Biostimulants

Wadas

Dziugieł

2020

Agronomy

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This paper analyses the effects of foliar application of the seaweed extracts Bio-algeen S90 (Ascophyllum nodosum) and Kelpak SL (Ecklonia maxima), as well as the humic and fulvic acids ini HumiPlant (leonardite extract), on the assimilation area and chlorophyll content of very early potato cultivars (‘Denar’, ‘Lord’, Miłek’). The field experiment was carried out in central-eastern Poland over three growing seasons, using Luvisol. The biostimulants were applied according to the manufacturers’ recommendations. The use of biostimulants resulted in enlargement of the assimilation area, but had no effect on the specific leaf area (SLA) or chlorophyll content (Soil Plant Analysis Development (SPAD) value). The assimilation area was larger, on average, by 0.0505 m2 and leaf area index (LAI) was higher by 0.30 compared with the plants from the control group without a biostimulant. The SLA and SPAD depend on the cultivar and weather conditions, or nitrogen and magnesium content in soil, to a greater extent. The biostimulants enhanced abiotic stress tolerance and increased marketable tuber yield (diameter above 30 mm) 75 days after planting (the end of June), on average by 2.15 t·ha−1. Bio-algeen S90 and Keplak SL produced better results in a warm and very wet growing season, whereas HumiPlant produced better results in a year with lower air temperature and with drought periods during potato growth. No correlations were found between the tuber yield and assimilation area or between the tuber yield and SPAD value, although a significant negative correlation was found between the tuber yield and SLA.

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Section: Introductionmentioning

confidence: 99%

“…Foliar application of seaweed extracts Ascophyllum nodosum and Ecklonia maxima increased potato yield [14][15][16]. Biostimulants based on seaweed extracts improved plant growth and yield of wheat, barley, maize, potato, tomato, pepper, onion, and carrot [7,8,10,11].…”

Section: Introductionmentioning

confidence: 99%

Changes in Assimilation Area and Chlorophyll Content of Very Early Potato (Solanum tuberosum L.) Cultivars as Influenced by Biostimulants

Wadas

Dziugieł

2020

Agronomy

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“…However, the results of this study revealed that the rice blast disease could be effectively controlled by the treatment of nano Cu-Cu 2 O/ alginate. In addition, seaweed extract, containing alginate, has been using as liquid fertilizers and bio-stimulants for plant growth and development (Begum et al 2018). Therefore, the increase of grain yield could be also contributed by alginate (Kavitha et al 2008).…”

Section: Effect Of Nano Cu-cu 2 O/alginate On Blast Disease and Rice mentioning

confidence: 99%

Study on Antifungal Activity and Ability Against Rice Leaf Blast Disease of Nano Cu-Cu2O/Alginate

Ngoc¹,

Du²,

Tuan³

et al. 2020

IJARe

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Background: Rice blast disease due to Pyricularia oryzae fungus is one of the most destructive ones for rice, causing serious losses in yield and quality in Vietnam and other countries. Studying to develop new fungicides to control the fungal disease effectively is essential.Methods: The sodium alginate-stabilized Cu-Cu2O nanocolloidal solution with a size of about 4 nm and the Cu concentration of 5,000 mg/L was prepared by chemical method. The antifungal activity in vitro against P. oryzae and the ability to control the rice blast disease in the greenhouse of nano Cu-Cu2O/alginate were assessed.Result: The nano Cu-Cu2O/alginate exhibited highly fungal activity with the IC50 of 17.8 mg Cu /L. The disease severity of nano Cu-Cu2O/alginate treatments was in the range of 9.38 - 18.54% in comparison with 47.57% of the untreated control. The grain yield of rice plants treated with nano Cu-Cu2O/alginate increased compared with that of the untreated control, and the Cu content in polished rice was almost the same as that of usually cultured polished rice. Thus, the nano Cu-Cu2O/alginate can be used in agriculture as a plant fungicide, especially for rice cultivation.

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“…These compounds affect plant metabolism, leading to increased tolerance to abiotic stresses, improved plant growth and influenced fruit or tuber initiation. Foliar application of seaweed extracts in low concentrations produced a measurable response in a range of crops in the form of higher yield (Khan et al, 2009;Sharma et al, 2014;Battacharyya et al, 2015;Begum et al, 2018). A positive response of potato growth and yield to the foliar application of the extracts from Ascophyllum nodosum (Primo, Bio-algeen S90) and Ecklonia maxima (Kelpak SL) was shown in studies carried out in China, Pakistan and Poland (Yanbo, 2008;Haider et al, 2012;Wierzbowska et al, 2015).…”

Section: Introductionmentioning

confidence: 98%

Possibility of increasing early crop potato yield with foliar application of seaweed extracts and humic acids

Dziugieł¹,

Wadas²

2020

j. cent. eur. agric.

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Under climate change conditions, biostimulants play an important role in plant adaptation to abiotic stress. This paper analyses the effect of the seaweed extracts Bio-algeen S90 (Ascophyllum nodosum) and Kelpak SL (Ecklonia maxima) and humic and fulvic acids HumiPlant (leonardite extract) on early crop potato yield and yield components. Three very early potato cultivars Denar, Lord and Miłek were tested. Biostimulants did not affect the number of tubers produced by potato plants but increased the tuber weight per plant and average tuber weight and, as a result, the tuber yield. The yield-increasing effect of biostimulants depended on the hydro-thermal conditions during potato growth. Bio-algeen S90 and Kelpak SL produced better results in a warm and very wet growing season, whereas HumiPlant produced better results in a year with lower air temperature and with drought periods during potato growth. The use of biostimulants in early crop potato culture assured higher yield under abiotic stress conditions, and also contributed to improving its marketable value by an increase in the productivity of the marketable-size tubers and, simultaneously, decreasing the share of large tubers with a diameter above 50 mm. The tested potato cultivars showed a similar response to the biostimulants applied.

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Role of seaweed extract on growth, yield and quality of some agricultural crops: A review

Cited by 42 publications

References 26 publications

Changes in Assimilation Area and Chlorophyll Content of Very Early Potato (Solanum tuberosum L.) Cultivars as Influenced by Biostimulants

Changes in Assimilation Area and Chlorophyll Content of Very Early Potato (Solanum tuberosum L.) Cultivars as Influenced by Biostimulants

Study on Antifungal Activity and Ability Against Rice Leaf Blast Disease of Nano Cu-Cu2O/Alginate

Possibility of increasing early crop potato yield with foliar application of seaweed extracts and humic acids

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