Paper · 1982 · Indian Journal of Horticulture

Studies on Stratification and Chemical Treatments of Dormant Seeds of Low Chilling Peach Cultivars Ii. Effect on Seedling Growth

G. K. Shrestha; G.L. Kaul

4
claims
8
verbatim quotes
0
citations
3
research areas
✓
Open access

Abstract

Dormant seeds of low chilling peach cultivars, namely Sharbati Safeda, Hopen and Gujarati were stratified after extraction and removal of pericarp for periods ranging from 0 to 30 days at 10°C under controlled condition using vermiculite as medium. One lot of seed was directly sown, while the other was dipped in solutions of GA + thiourea and ethrel for 6 hours before sowing. Stratification of seeds improved seedling stand and the seedlings obtained thereof attained normal growth without showing any signs of dwarfing. Maximum growth in terms of rate of stem growth, dry weight of shoots and roots was recorded at 30 days chilling. Treatment of stratified seeds with GA 150 ppm + thiourea 5000 ppm and ethrel 5000 ppm further stimulated growth in all the three cultivars, the increment in growth varying among the cultivars.

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Claims 4

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Seed stratification improved peach seedling stand.

Treatment
Stratification of seedse0
Outcome
seedling stande0
Direction
improvede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Prunus persica
Prunus persica · TaxonAllagash Brewing · CC BY 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Stratification of seeds improved seedling stand and the seedlings obtained thereof attained normal growth without showing any signs of dwarfing.”

✓ located verbatim in the source · abstract, characters 379–523 · show in text ↑
t0

“Studies on Stratification and Chemical Treatments of Dormant Seeds of Low Chilling Peach Cultivars Ii. Effect on Seedling Growth”

✓ located verbatim in the source · title, characters 0–128 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Seedlings after stratification showed normal growth without dwarfing.

Treatment
Stratification of seedse0
Outcome
normal growthe0
Direction
without showing any signs of dwarfinge0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Prunus persica
Prunus persica · TaxonAllagash Brewing · CC BY 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Stratification of seeds improved seedling stand and the seedlings obtained thereof attained normal growth without showing any signs of dwarfing.”

✓ located verbatim in the source · abstract, characters 379–523 · show in text ↑
t0

“Studies on Stratification and Chemical Treatments of Dormant Seeds of Low Chilling Peach Cultivars Ii. Effect on Seedling Growth”

✓ located verbatim in the source · title, characters 0–128 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Thirty days of chilling produced maximum stem growth rate and shoot and root dry weight.

Treatment
30 days chillinge0
Outcome
rate of stem growth, dry weight of shoots and rootse0
Direction
Maximume0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Prunus persica
Prunus persica · TaxonAllagash Brewing · CC BY 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Maximum growth in terms of rate of stem growth, dry weight of shoots and roots was recorded at 30 days chilling.”

✓ located verbatim in the source · abstract, characters 524–636 · show in text ↑
t0

“Studies on Stratification and Chemical Treatments of Dormant Seeds of Low Chilling Peach Cultivars Ii. Effect on Seedling Growth”

✓ located verbatim in the source · title, characters 0–128 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

GA plus thiourea and ethrel treatment of stratified seeds further stimulated growth in all three cultivars, with cultivar-dependent increments.

Treatment
GA 150 ppm + thiourea 5000 ppm and ethrel 5000 ppme0
Outcome
growthe0
Direction
stimulatede0
Qualifier
varying among the cultivarse0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Prunus persica
Prunus persica · TaxonAllagash Brewing · CC BY 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Treatment of stratified seeds with GA 150 ppm + thiourea 5000 ppm and ethrel 5000 ppm further stimulated growth in all the three cultivars, the increment in growth varying among the cultivars.”

✓ located verbatim in the source · abstract, characters 637–829 · show in text ↑
t0

“Studies on Stratification and Chemical Treatments of Dormant Seeds of Low Chilling Peach Cultivars Ii. Effect on Seedling Growth”

✓ located verbatim in the source · title, characters 0–128 · show in text ↑

Gibberellic acid · growth · Prunus persica (peach)Results differ

23 papers: 19 positive, 4 negative or no effect

18 papers in the same direction as this paper · 3 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. negative
  3. negative

19 papers more in this group

See all 23 papers →

thiourea · growth · Prunus persica (peach)Positive and negative results

4 papers: 3 positive, 1 negative or no effect

2 papers in the same direction as this paper · 1 in the opposite direction

  1. negative
  2. positive
  3. positive
See all 4 papers →

(2-chloroethyl)phosphonic acid · growth · Prunus persica (peach)Positive and negative results

6 papers: 4 positive, 2 negative or no effect

3 papers in the same direction as this paper · 2 in the opposite direction

  1. negative
  2. no effect
  3. positive

2 papers more in this group

See all 6 papers →

cold · growth · Prunus persica (peach)Positive and negative results

19 papers: 14 positive, 5 negative or no effect

13 papers in the same direction as this paper · 5 in the opposite direction

  1. no effect
  2. negative
  3. negative

15 papers more in this group

See all 19 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.