Abstract
The present study aimed to evaluate the potentiality of three seaweeds, which belong to different algal taxa (green alga Ulva lactuca Linnaeus, brown alga Cystoseira spp., and red alga Gelidium crinale (Hare ex Turner) Gaillon) as bio-fertilizers to improve the growth and yield of canola (Brassica napus L.) plants under greenhouse conditions. Furthermore, the impact of seaweeds in alleviating the effects of salt stress (75 and 150 mM NaCl) on canola plants was also investigated. The three examined seaweeds (applied as soil amendments) successfully alleviated the harmful effects of salinity on canola plants by significantly reducing the inhibition of chlorophyll a, b, total carbohydrate accumulation, and growth promoting hormones, while increasing antioxidative compounds, such as phenols, flavonoids, anthocyanin, and osmoprotectants, including total carbohydrates and proline. Phytochemical analysis of the three examined seaweeds suggests that their stimulatory effect on growth and productivity under normal and salinity growth conditions may be linked to their constituents of a wide variety of growth promotive hormones, including indole acetic acid, indole butyric acid, gibberellic acid, cytokinins, total carbohydrates, and phenolic compounds. U. lactuca was found to be the best candidate to be used as a bio-fertilizer to improve canola growth, yield, and salt stress tolerance.
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Claims 6
Claim · model-written summary
Seaweed amendments significantly reduced salt inhibition of canola chlorophyll a and b.
- Taxon
- Canola (Brassica napus L.) Plants
_Brassica_napus_-_Habit.jpg?width=60)
Brassica napust0 - Treatment
- three examined seaweeds (applied as soil amendments)e0
- Outcome
- chlorophyll a, be0
- Direction
- reducinge0
- Comparator
- salinitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Brassica_napus_-_Habit.jpg?width=500)
Verbatim
e0“The three examined seaweeds (applied as soil amendments) successfully alleviated the harmful effects of salinity on canola plants by significantly reducing the inhibition of chlorophyll a, b, total carbohydrate accumulation, and growth promoting hormones, while increasing antioxidative compounds, such as phenols, flavonoids, anthocyanin, and osmoprotectants, including total carbohydrates and proline.”
t0“Canola (Brassica napus L.) Plants”
Claim · model-written summary
Seaweed amendments significantly reduced salt inhibition of carbohydrate accumulation and growth promoting hormones.
- Taxon
- Canola (Brassica napus L.) PlantsBrassica napust0
- Treatment
- three examined seaweeds (applied as soil amendments)e0
- Outcome
- total carbohydrate accumulation, and growth promoting hormonese0
- Direction
- reducinge0
- Comparator
- salinitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The three examined seaweeds (applied as soil amendments) successfully alleviated the harmful effects of salinity on canola plants by significantly reducing the inhibition of chlorophyll a, b, total carbohydrate accumulation, and growth promoting hormones, while increasing antioxidative compounds, such as phenols, flavonoids, anthocyanin, and osmoprotectants, including total carbohydrates and proline.”
t0“Canola (Brassica napus L.) Plants”
Claim · model-written summary
Seaweed amendments increased canola phenols, flavonoids and anthocyanin under salinity.
- Taxon
- Canola (Brassica napus L.) PlantsBrassica napust0
- Treatment
- seaweedse0
- Outcome
- phenols, flavonoids, anthocyanine0
- Direction
- increasinge0
- Comparator
- salinitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The three examined seaweeds (applied as soil amendments) successfully alleviated the harmful effects of salinity on canola plants by significantly reducing the inhibition of chlorophyll a, b, total carbohydrate accumulation, and growth promoting hormones, while increasing antioxidative compounds, such as phenols, flavonoids, anthocyanin, and osmoprotectants, including total carbohydrates and proline.”
t0“Canola (Brassica napus L.) Plants”
Claim · model-written summary
Seaweed amendments increased canola carbohydrates and proline as osmoprotectants.
- Taxon
- Canola (Brassica napus L.) PlantsBrassica napust0
- Treatment
- seaweedse0
- Outcome
- total carbohydrates and prolinee0
- Direction
- increasinge0
- Comparator
- salinitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The three examined seaweeds (applied as soil amendments) successfully alleviated the harmful effects of salinity on canola plants by significantly reducing the inhibition of chlorophyll a, b, total carbohydrate accumulation, and growth promoting hormones, while increasing antioxidative compounds, such as phenols, flavonoids, anthocyanin, and osmoprotectants, including total carbohydrates and proline.”
t0“Canola (Brassica napus L.) Plants”
Claim · model-written summary
Seaweed phytochemistry suggested that growth and productivity stimulation may be linked to growth promoting hormones, carbohydrates and phenolics.
- Taxon
- Canola (Brassica napus L.) PlantsBrassica napust0
- Compound
- indole acetic acid, indole butyric acid, gibberellic acid, cytokinins, total carbohydrates, and phenolic compoundse0
- Outcome
- growth and productivitye0
- Qualifier
- may be linked to their constituentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Phytochemical analysis of the three examined seaweeds suggests that their stimulatory effect on growth and productivity under normal and salinity growth conditions may be linked to their constituents of a wide variety of growth promotive hormones, including indole acetic acid, indole butyric acid, gibberellic acid, cytokinins, total carbohydrates, and phenolic compounds.”
t0“Canola (Brassica napus L.) Plants”
Claim · model-written summary
The authors identify U. lactuca as the best biofertilizer candidate for canola growth, yield and salt tolerance.
- Taxon
- Canola (Brassica napus L.) PlantsBrassica napust0
- Treatment
- U. lactucae0
- Outcome
- best candidate to be used as a bio-fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“U. lactuca was found to be the best candidate to be used as a bio-fertilizer to improve canola growth, yield, and salt stress tolerance.”
t0“Canola (Brassica napus L.) Plants”
The same questions in other papers
other · physiology: pigments · Brassica napus (oilseed rape)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.