Abstract
Grape cv. Askari is one of the dominant cultivars of the city of Dena, which is affected by freezing temperatures of the winter every year. In order to study the primary bud necrosis and fruit set of the following year, the present research was carried out in one of the vineyards of Dena County in a two-factor factorial experiment based on a completely randomized block design with three replications and two vines per plot. In this experiment, salicylic acid (0, 150, 300 and 450 mg/l) and potassium sulfate (0, 1 and 2%) were used as spraying in one phase. Bud sampling was performed in three stages, and the primary bud necrosis percentage was recorded in each stage. Salicylic acid at 300 mg/l and interaction of 450 mg/l salicylic acid and 2% potassium sulfate had the highest effect on the reduction of primary bud necrosis of grape at 5% level, and the rest of the treatments did not have any significant effect on the primary bud necrosis percentage. The lowest mortality percentage of primary buds was observed in the second stage of sampling at 5% level. The results of variance analysis showed that the interaction of salicylic acid and potassium sulfate at 5% level had a significant effect on fruit diameter, and the remaining treatments showed no significant effect on the trait. Means comparison of fruit diameter showed that the interaction of salicylic acid at 150 mg/l and 2% potassium sulfate had the highest effect on the diameter of berry, and increasing the percentage of potassium sulfate increased the diameter of berry. Salicylic acid and potassium sulfate treatments had no significant effect on average length, berry weight, pH, TA, TSS and percentage of berry set.
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Claims 9
Claim · model-written summary
Salicylic acid at 300 mg/l gave the greatest reduction of primary bud necrosis.
- Taxon
- Askari grapevinet0
- Treatment
- Salicylic acid at 300 mg/le0
- Outcome
- primary bud necrosis of grapee0
- Direction
- reductione0
Not reportedComparator
Verbatim
t0“Askari grapevine”
e0“Salicylic acid at 300 mg/l and interaction of 450 mg/l salicylic acid and 2% potassium sulfate had the highest effect on the reduction of primary bud necrosis of grape at 5% level”
Claim · model-written summary
Combined 450 mg/l salicylic acid and 2% potassium sulfate gave the greatest reduction of primary bud necrosis.
- Taxon
- Askari grapevinet0
- Treatment
- 450 mg/l salicylic acid and 2% potassium sulfatee0
- Outcome
- primary bud necrosis of grapee0
- Direction
- reductione0
Not reportedComparator
Verbatim
t0“Askari grapevine”
e0“interaction of 450 mg/l salicylic acid and 2% potassium sulfate had the highest effect on the reduction of primary bud necrosis of grape at 5% level”
Claim · model-written summary
Other treatments had no significant effect on primary bud necrosis percentage.
- Taxon
- Askari grapevinet0
- Treatment
- the rest of the treatmentse0
- Outcome
- primary bud necrosis percentagee0
- Direction
- did not have any significant effecte0
Not reportedComparator
Verbatim
t0“Askari grapevine”
e0“the rest of the treatments did not have any significant effect on the primary bud necrosis percentage”
Claim · model-written summary
Primary bud mortality was lowest at the second sampling stage.
Verbatim
t0“Askari grapevine”
e0“The lowest mortality percentage of primary buds was observed in the second stage of sampling at 5% level”
Claim · model-written summary
The interaction of salicylic acid and potassium sulfate significantly affected fruit diameter.
- Taxon
- Askari grapevinet0
- Treatment
- interaction of salicylic acid and potassium sulfatee0
- Outcome
- fruit diametere0
Not reportedComparatorDirection
Verbatim
t0“Askari grapevine”
e0“interaction of salicylic acid and potassium sulfate at 5% level had a significant effect on fruit diameter”
Claim · model-written summary
Other treatments did not significantly affect fruit diameter.
- Taxon
- Askari grapevinet0
- Treatment
- remaining treatmentse0
- Outcome
- traite0
- Direction
- no significant effecte0
Not reportedComparator
Verbatim
t0“Askari grapevine”
e0“the remaining treatments showed no significant effect on the trait”
Claim · model-written summary
The combination of 150 mg/l salicylic acid and 2% potassium sulfate had the highest effect on berry diameter.
- Taxon
- Askari grapevinet0
- Treatment
- salicylic acid at 150 mg/l and 2% potassium sulfatee0
- Outcome
- diameter of berrye0
- Direction
- higheste0
Not reportedComparator
Verbatim
t0“Askari grapevine”
e0“interaction of salicylic acid at 150 mg/l and 2% potassium sulfate had the highest effect on the diameter of berry”
Claim · model-written summary
Increasing potassium sulfate percentage increased berry diameter.
Verbatim
t0“Askari grapevine”
e0“increasing the percentage of potassium sulfate increased the diameter of berry”
Claim · model-written summary
Salicylic acid and potassium sulfate had no significant effect on berry length, weight, pH, TA, TSS, or berry set.
- Taxon
- Askari grapevinet0
- Treatment
- Salicylic acid and potassium sulfate treatmentse0
- Outcome
- average length, berry weight, pH, TA, TSS and percentage of berry sete0
- Direction
- no significant effecte0
Not reportedComparator
Verbatim
t0“Askari grapevine”
e0“Salicylic acid and potassium sulfate treatments had no significant effect on average length, berry weight, pH, TA, TSS and percentage of berry set”