Abstract
This study aimed to examine the dormancy behaviour and effectiveness of various dormancy breaking treatments on cucumber seeds. Freshly harvested cucumber seeds of varieties CU-1047 and CU-1051 were extracted, dried and stored for eight weeks at ambient temperature. The stored seed lots were tested for seed germination once a week and hormone analysis (ABA, GA, zeatin and kinetin) every two weeks. In a second experiment, dormancy breaking methods using dry heat treatment (DHT) at 36, 50 or 80°C for various lengths of time. Chemical treatments were also tested, with a 24-hour soaking time using GA 3 , KNO 3 or ultra-fine bubble (UFB) water. The results showed that the dormancy persistence in both varieties was three weeks after the seeds were harvested, by which time germination reached more than 85%. The decrease in ABA content during the storage period correlated with an increase in seed germination. The most effective methods of breaking dormancy were dry heat at 80°C for 24 hours (highest germination: 62%) and a DHT chamber (59%) compared with control (1%). An alternative method was soaking the seeds in 1% KNO 3 followed by drying to the initial moisture content (55% germination). UFB water was not effective in breaking the dormancy of cucumber seeds.
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Claims 6
Claim · model-written summary
Dormancy persisted three weeks in both cucumber varieties, when germination exceeded 85%.
- Taxon
- cucumber
Cucumis sativust0 - Outcome
- dormancy persistencee0
- Value
- three weekse0
- Qualifier
- germination reached more than 85%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dormancy persistence in both varieties was three weeks after the seeds were harvested, by which time germination reached more than 85%”
t0“Cucumber Seeds”
t1“Cucumber Seeds”
Claim · model-written summary
Declining ABA during storage correlated with rising seed germination.
- Taxon
- cucumberCucumis sativust0
- Compound
- ABAe0
- Outcome
- seed germinatione0
- Direction
- increasee0
- Qualifier
- during the storage periode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The decrease in ABA content during the storage period correlated with an increase in seed germination”
t0“Cucumber Seeds”
t1“Cucumber Seeds”
Claim · model-written summary
Dry heat at 80°C for 24 hours gave 62% germination versus 1% control.
- Taxon
- cucumberCucumis sativust0
- Treatment
- dry heat at 80°C for 24 hourse0
- Outcome
- germinatione0
- Direction
- higheste0
- Value
- 62%e0
- Qualifier
- 1%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dry heat at 80°C for 24 hours (highest germination: 62%) and a DHT chamber (59%) compared with control (1%)”
t0“Cucumber Seeds”
t1“Cucumber Seeds”
Claim · model-written summary
DHT chamber treatment gave 59% germination versus 1% control.
- Taxon
- cucumberCucumis sativust0
- Treatment
- DHT chambere0
- Outcome
- germinatione0
- Direction
- higheste0
- Value
- 59%e0
- Qualifier
- 1%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dry heat at 80°C for 24 hours (highest germination: 62%) and a DHT chamber (59%) compared with control (1%)”
t0“Cucumber Seeds”
t1“Cucumber Seeds”
Claim · model-written summary
Soaking in 1% KNO 3 then drying gave 55% germination.
- Taxon
- cucumberCucumis sativust0
- Treatment
- soaking the seeds in 1% KNO 3 followed by drying to the initial moisture contente0
- Outcome
- germinatione0
- Value
- 55%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soaking the seeds in 1% KNO 3 followed by drying to the initial moisture content (55% germination)”
t0“Cucumber Seeds”
t1“Cucumber Seeds”
Claim · model-written summary
UFB water did not effectively break cucumber seed dormancy.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- UFB watere0
- Outcome
- breaking the dormancy of cucumber seedse0
- Direction
- not effectivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“UFB water was not effective in breaking the dormancy of cucumber seeds”
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