Abstract
Watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai) seeds were subjected to osmoconditioning (2% KNO 3 , 20°C, 6 d) or hydropriming (30°C, 18 h) and incubated at 15, 25 and 38°C. Mean time to germination was decreased and germination increased by both priming treatments at 15°C with osmoconditioning being superior to hydropriming. However, neither osmoconditioning nor hydropriming treatment affected germination significantly at 25 and 38°C. The effect of priming on root growth and on emergence from deep plantings was also assessed after synchronisation of radicle emergence between treatments to exclude the confounding effect of germination rate differences. Root growth was not significantly improved by priming but emergence at 15°C was enhanced. It can be concluded from this result that improved emergence after priming is not due to the beneficial effect on radicle emergence only, but also to improved hypocotyl growth. Osmoconditioning increased germination under osmotic stress.
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Claims 8
Claim · model-written summary
Priming reduced germination time at 15°C.
- Taxon
- Watermelon
Citrullus lanatust0 - Treatment
- both priming treatmentse0
- Outcome
- Mean time to germinatione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mean time to germination was decreased and germination increased by both priming treatments at 15°C”
t0“Watermelon”
Claim · model-written summary
Priming increased germination at 15°C.
- Taxon
- WatermelonCitrullus lanatust0
- Treatment
- both priming treatmentse0
- Outcome
- germinatione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mean time to germination was decreased and germination increased by both priming treatments at 15°C”
t0“Watermelon”
Claim · model-written summary
Osmoconditioning exceeded hydropriming at 15°C.
- Taxon
- WatermelonCitrullus lanatust0
- Treatment
- osmoconditioninge0
- Outcome
- superiore0
- Direction
- superiore0
- Comparator
- hydropriminge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at 15°C with osmoconditioning being superior to hydropriming”
t0“Watermelon”
Claim · model-written summary
Neither priming treatment significantly affected germination at 25 or 38°C.
- Taxon
- WatermelonCitrullus lanatust0
- Treatment
- osmoconditioninge0
- Outcome
- germinatione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“neither osmoconditioning nor hydropriming treatment affected germination significantly at 25 and 38°C”
t0“Watermelon”
Claim · model-written summary
Priming did not significantly improve root growth.
- Taxon
- WatermelonCitrullus lanatust0
- Treatment
- priminge0
- Outcome
- Root growthe0
- Direction
- not significantly improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root growth was not significantly improved by priming”
t0“Watermelon”
Claim · model-written summary
Priming enhanced emergence at 15°C.
- Taxon
- WatermelonCitrullus lanatust0
- Treatment
- primingt0
- Outcome
- emergencee0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“emergence at 15°C was enhanced”
t0“priming treatments on the performance of watermelon”
Claim · model-written summary
The authors attribute improved emergence partly to hypocotyl growth.
- Taxon
- WatermelonCitrullus lanatust0
- Organ / stage
- hypocotyle0
- Outcome
- improved emergencee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“improved emergence after priming is not due to the beneficial effect on radicle emergence only, but also to improved hypocotyl growth”
t0“Watermelon”
Claim · model-written summary
Osmoconditioning increased germination under osmotic stress.
- Taxon
- WatermelonCitrullus lanatust0
- Treatment
- Osmoconditioninge0
- Outcome
- germinatione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Osmoconditioning increased germination under osmotic stress”
t0“Watermelon”
The same questions in other papers
seed treatment · growth · Citrullus lanatus (watermelon)Positive and negative results
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