Abstract
Foliar applications of mixture of amino acids and Ascophylum nodosum (Seaweed) extract at different growth stages were investigated on the growth and physico-chemical characteristics of grapes cv. ‘Perlette’. Grapevines were sprayed with 0.5 mL L aqueous solution of mixture of amino acids and seaweed extract plus 0.01% Tween-20 as surfactant at flowering stage, fruit setting stage, flowering + fruit setting stages or flowering + fruit setting + one month after fruit setting stages. Unsprayed grapevines were kept as control. Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages exhibited significantly higher leaf size (41.5%), chlorophyll content (18.15 mg g), berry setting (6.66%), number of bunches per cane (6.66%), rachis length (13.5%), berry weight (14.78%), berry size (7.33%), soluble solid concentrations (SSC, 16%), SSC: titrable acidity (TA) ratio (29), pH of juice (3%), total sugars (28%) and reducing sugars (35%) with reduced berry drop (10.6%) and ascorbic acid (28.6%) contents as compared to all other treatments. Treated grapevines showed no significant change in the leaf mineral contents, bunch size and weight. In conclusion, multiple foliar applications of 0.5 mL L mixture of amino acids and seaweed extract can be used effectively to improve growth and physico-chemical berry quality of grapevine cv. ‘Perlette’. © 2012 Friends Science Publishers
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 16
Claim · model-written summary
Multiple foliar sprays of amino acids plus seaweed extract increased grapevine leaf size by 41.5% versus all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- leaf sizee1
- Direction
- highere0
- Value
- 41.5%e1
- Comparator
- all other treatmentse2
VitisOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages exhibited significantly higher”
e1“leaf size (41.5%)”
e2“as compared to all other treatments”
Claim · model-written summary
Multiple sprays increased grapevine leaf chlorophyll content (18.15 mg g) versus all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- chlorophyll contente1
- Direction
- highere0
- Value
- 18.15 mg ge1
- Comparator
- all other treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages exhibited significantly higher”
e1“chlorophyll content (18.15 mg g)”
e2“as compared to all other treatments”
Claim · model-written summary
Multiple sprays increased berry setting by 6.66% versus all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- berry settinge1
- Direction
- highere0
- Value
- 6.66%e1
- Comparator
- all other treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages exhibited significantly higher”
e1“berry setting (6.66%)”
e2“as compared to all other treatments”
Claim · model-written summary
Multiple sprays increased the number of bunches per cane by 6.66% versus all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- number of bunches per canee1
- Direction
- highere0
- Value
- 6.66%e1
- Comparator
- all other treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages exhibited significantly higher”
e1“number of bunches per cane (6.66%)”
e2“as compared to all other treatments”
Claim · model-written summary
Multiple sprays increased rachis length by 13.5% versus all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- rachis lengthe1
- Direction
- highere0
- Value
- 13.5%e1
- Comparator
- all other treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages exhibited significantly higher”
e1“rachis length (13.5%)”
e2“as compared to all other treatments”
Claim · model-written summary
Multiple sprays increased berry weight by 14.78% versus all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- berry weighte1
- Direction
- highere0
- Value
- 14.78%e1
- Comparator
- all other treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages exhibited significantly higher”
e1“berry weight (14.78%)”
e2“as compared to all other treatments”
Claim · model-written summary
Multiple sprays increased berry size by 7.33% versus all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- berry sizee1
- Direction
- highere0
- Value
- 7.33%e1
- Comparator
- all other treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages exhibited significantly higher”
e1“berry size (7.33%)”
e2“as compared to all other treatments”
Claim · model-written summary
Multiple sprays increased soluble solid concentration (SSC) by 16% versus all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- soluble solid concentrationse1
- Direction
- highere0
- Value
- 16%e1
- Comparator
- all other treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages exhibited significantly higher”
e1“soluble solid concentrations (SSC, 16%)”
e2“as compared to all other treatments”
Claim · model-written summary
Multiple sprays gave an SSC to titratable acidity ratio of 29, higher than all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- SSC: titrable acidity (TA) ratioe1
- Direction
- highere0
- Value
- 29e1
- Comparator
- all other treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages exhibited significantly higher”
e1“SSC: titrable acidity (TA) ratio (29)”
e2“as compared to all other treatments”
Claim · model-written summary
Multiple sprays increased juice pH by 3% versus all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- pH of juicee1
- Direction
- highere0
- Value
- 3%e1
- Comparator
- all other treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages exhibited significantly higher”
e1“pH of juice (3%)”
e2“as compared to all other treatments”
Claim · model-written summary
Multiple sprays increased total sugars by 28% versus all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- total sugarse1
- Direction
- highere0
- Value
- 28%e1
- Comparator
- all other treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages exhibited significantly higher”
e1“total sugars (28%)”
e2“as compared to all other treatments”
Claim · model-written summary
Multiple sprays increased reducing sugars by 35% versus all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- reducing sugarse1
- Direction
- highere0
- Value
- 35%e1
- Comparator
- all other treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages exhibited significantly higher”
e1“reducing sugars (35%)”
e2“as compared to all other treatments”
Claim · model-written summary
Multiple sprays reduced berry drop by 10.6% versus all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- berry drope1
- Direction
- reducede1
- Value
- 10.6%e1
- Comparator
- all other treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages”
e1“reduced berry drop (10.6%)”
e2“as compared to all other treatments”
Claim · model-written summary
Multiple sprays reduced berry ascorbic acid content by 28.6% versus all other treatments.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- ascorbic acide1
- Direction
- reducede1
- Value
- 28.6%e1
- Comparator
- all other treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages”
e1“reduced berry drop (10.6%) and ascorbic acid (28.6%)”
e2“as compared to all other treatments”
Claim · model-written summary
Treated grapevines showed no significant change in leaf mineral contents, bunch size and bunch weight.
- Treatment
- multiple applications of mixture of amino acids and seaweed extracte0
- Outcome
- leaf mineral contents, bunch size and weighte1
- Direction
- no significant changee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grapevines treated with multiple applications of mixture of amino acids and seaweed extract at flowering + fruit setting + one month after fruit setting stages”
e1“Treated grapevines showed no significant change in the leaf mineral contents, bunch size and weight”
Claim · model-written summary
The authors conclude that multiple foliar applications of 0.5 mL L mixture of amino acids and seaweed extract can effectively improve growth and berry quality of grapevine cv. Perlette.
- Treatment
- multiple foliar applications of 0.5 mL L mixture of amino acids and seaweed extracte0
- Outcome
- improve growth and physico-chemical berry qualitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“multiple foliar applications of 0.5 mL L mixture of amino acids and seaweed extract can be used effectively to improve growth and physico-chemical berry quality of grapevine”
The same questions in other papers
other · soil: chemistry · VitisPositive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
1 paper more in this group
See all 5 papers →other · quality: sugar starch · VitisPositive and negative results
9 papers in the same direction as this paper · 3 in the opposite direction
- no effect
- no effect
- no effect
9 papers more in this group
See all 13 papers →other · yield · VitisPositive and negative results
21 papers in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
- positive
19 papers more in this group
See all 23 papers →other · physiology: pigments · VitisResults agree
8 papers in the same direction as this paper
- positive
- positive
- positive
5 papers more in this group
See all 9 papers →other · growth · VitisResults agree
20 papers in the same direction as this paper
- positive
- positive
- positive
17 papers more in this group
See all 21 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.