Abstract
Crimson Seedless is a coloured seedless grape, gaining popularity in India for its attractive colour, bunch and berry quality with better shelf life. In cultivation of any seedless grape variety, application of GA3 at different stages is very much essential to produce good quality berries and bunches. However, this variety is highly sensitive to excess application of GA3 and practicing GA3 schedule similar to that of Thompson Seedless grapes adversely affects bunch quality. Hence, there was a need to standardize mild dose of GA3 just for rachis elongation which will help to reduce bunch compactness to a greater extent. Hence, an experiment was initiated to standardize concentration of GA3 for rachis elongation of Crimson Seedless grapes. Three different concentrations of GA3 {viz., 5 ppm (T1), 7.5 ppm (T2) and 10 ppm (T3)} were sprayed during pre bloom stage and compared with unsprayed control (T4). Among different treatments, pre-bloom spray of GA3@5 ppm could produce less compact bunches with highest average bunch weight, berry weight, berry length and TSS. However, bunches sprayed with 7.5 ppm and 10 ppm GA3 could also produce good quality bunches average berry weight and TSS was less. Because of severe coiling of rachis at 7.5 ppm and 10 ppm GA3 spraying, bunches were too straggly compared to spraying of 5 ppm GA3. The control bunches without GA3 spray produced very compact clusters with less average bunch weight, berry weight, berry diameter and berry length.
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Claims 6
Claim · model-written summary
A 5 ppm prebloom GA3 spray produced less compact bunches with the highest bunch and berry weights, berry length, and TSS.
- Taxon
- Vitis vinifera L
Vitis viniferat0 - Material
- Crimson Seedlesst0
- Treatment
- pre-bloom spray of GA3@5 ppme0
- Outcome
- average bunch weight, berry weight, berry length and TSSe0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pre-bloom spray of GA3@5 ppm could produce less compact bunches with highest average bunch weight, berry weight, berry length and TSS.”
t0“grape cv. Crimson Seedless (Vitis vinifera L)”
Claim · model-written summary
At 7.5 ppm GA3, berry weight and TSS were lower.
- Taxon
- Vitis vinifera LVitis viniferat0
- Treatment
- 7.5 ppme0
- Outcome
- average berry weight and TSSe0
- Direction
- lesse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bunches sprayed with 7.5 ppm and 10 ppm GA3 could also produce good quality bunches average berry weight and TSS was less.”
t0“grape cv. Crimson Seedless (Vitis vinifera L)”
Claim · model-written summary
At 10 ppm GA3, berry weight and TSS were lower.
- Taxon
- Vitis vinifera LVitis viniferat0
- Treatment
- 10 ppm GA3e0
- Outcome
- average berry weight and TSSe0
- Direction
- lesse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bunches sprayed with 7.5 ppm and 10 ppm GA3 could also produce good quality bunches average berry weight and TSS was less.”
t0“grape cv. Crimson Seedless (Vitis vinifera L)”
Claim · model-written summary
GA3 at 7.5 ppm caused severe rachis coiling and straggly bunches relative to 5 ppm.
- Taxon
- Vitis vinifera LVitis viniferat0
- Treatment
- 7.5 ppme0
- Outcome
- bunches were too stragglye0
- Direction
- too stragglye0
- Comparator
- spraying of 5 ppm GA3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“severe coiling of rachis at 7.5 ppm and 10 ppm GA3 spraying, bunches were too straggly compared to spraying of 5 ppm GA3.”
t0“grape cv. Crimson Seedless (Vitis vinifera L)”
Claim · model-written summary
GA3 at 10 ppm caused severe rachis coiling and straggly bunches relative to 5 ppm.
- Taxon
- Vitis vinifera LVitis viniferat0
- Treatment
- 10 ppm GA3e0
- Outcome
- bunches were too stragglye0
- Direction
- too stragglye0
- Comparator
- spraying of 5 ppm GA3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“severe coiling of rachis at 7.5 ppm and 10 ppm GA3 spraying, bunches were too straggly compared to spraying of 5 ppm GA3.”
t0“grape cv. Crimson Seedless (Vitis vinifera L)”
Claim · model-written summary
Unsprayed control bunches were compact and had lower bunch weight, berry weight, diameter, and length.
- Taxon
- Vitis vinifera LVitis viniferat0
- Treatment
- without GA3 spraye0
- Outcome
- average bunch weight, berry weight, berry diameter and berry lengthe0
- Direction
- lesse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The control bunches without GA3 spray produced very compact clusters with less average bunch weight, berry weight, berry diameter and berry length.”
t0“grape cv. Crimson Seedless (Vitis vinifera L)”
The same questions in other papers
Gibberellic acid · quality: sugar starch · Vitis vinifera (wine grape)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
application · quality: sugar starch · Vitis vinifera (wine grape)Positive and negative results
12 papers in the same direction as this paper · 2 in the opposite direction
- no effect
- no effect
- positive
11 papers more in this group
See all 15 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.