Abstract
Seedborne fungi negatively affect the quality of lettuce (Lactuca sativa L.) seeds and they are impact on their storability. Using the acetic acid can be an alternative to chemical treatment. Seeds were soaked for 30 minutes in a solution of acetic acid at concentrations of 0.25%, 0.5%, and 2%. Untreated seeds, seeds soaked for 30 minutes with distilled water and seeds treated with Dithane NeoTec 75 were controls. Seeds germination, vigour and seed health before and after 18 months of storage at 4 and 20 °C were tested. Before storage the acetic acid solution at concentrations of 0.25 and 0.5% significantly decreased number of dead seeds and increased germination at first and final counts, 2.0% solution worsened germination and vigour of seeds of both samples. Generally acetic acid solutions limited occurrence of fungi. Seeds stored at a lower temperature (4 °C) were characterized by significantly higher percentages of total germinating seeds (Gmax) and percentage of germination at first and final counts. Deterioration of the germination at first and final counts was found only after soaking the seeds in acetic acid solution at a concentration of 2%. Acetic acid solutions at concentration 0.5 and 2.0% effectively reduced occurrence of Alternaria alternata.
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Claims 7
Claim · model-written summary
Prestorage 0.25% and 0.5% acetic acid lowered dead seed count.
- Taxon
- lettuce
Lactuca sativat0 - Treatment
- acetic acid solution at concentrations of 0.25 and 0.5%e0
- Outcome
- number of dead seedse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Before storage the acetic acid solution at concentrations of 0.25 and 0.5% significantly decreased number of dead seeds and increased germination at first and final counts”
t0“lettuce (Lactuca sativa L.)”
Claim · model-written summary
Prestorage 0.25% and 0.5% acetic acid increased early and final germination.
- Taxon
- lettuceLactuca sativat0
- Treatment
- acetic acid solution at concentrations of 0.25 and 0.5%e0
- Outcome
- germination at first and final countse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Before storage the acetic acid solution at concentrations of 0.25 and 0.5% significantly decreased number of dead seeds and increased germination at first and final counts”
t0“lettuce (Lactuca sativa L.)”
Claim · model-written summary
A 2.0% acid solution worsened germination and vigour.
- Taxon
- lettuceLactuca sativat0
- Treatment
- 2.0% solutione0
- Outcome
- germination and vigoure0
- Direction
- worsenede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“2.0% solution worsened germination and vigour of seeds of both samples”
t0“lettuce (Lactuca sativa L.)”
Claim · model-written summary
Acetic acid solutions generally limited seed fungi.
- Taxon
- lettuceLactuca sativat0
- Treatment
- acetic acid solutionse0
- Outcome
- occurrence of fungie0
- Direction
- limitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Generally acetic acid solutions limited occurrence of fungi”
t0“lettuce (Lactuca sativa L.)”
Claim · model-written summary
Storage at 4 °C gave higher total germination and early and final germination percentages.
- Taxon
- lettuceLactuca sativat0
- Treatment
- lower temperature (4 °C)e0
- Outcome
- percentages of total germinating seeds (Gmax) and percentage of germination at first and final countse0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds stored at a lower temperature (4 °C) were characterized by significantly higher percentages of total germinating seeds (Gmax) and percentage of germination at first and final counts”
t0“lettuce (Lactuca sativa L.)”
Claim · model-written summary
Only 2% acid soaking caused deterioration of early and final germination after storage.
- Taxon
- lettuceLactuca sativat0
- Treatment
- soaking the seeds in acetic acid solution at a concentration of 2%e0
- Outcome
- germination at first and final countse0
- Direction
- Deterioratione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Deterioration of the germination at first and final counts was found only after soaking the seeds in acetic acid solution at a concentration of 2%”
t0“lettuce (Lactuca sativa L.)”
Claim · model-written summary
0.5% and 2.0% acetic acid reduced Alternaria alternata occurrence.
- Taxon
- lettuceLactuca sativat0
- Treatment
- Acetic acid solutions at concentration 0.5 and 2.0%e0
- Interactor
- Alternaria alternata
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Alternaria alternatae0pathogen - Outcome
- occurrence of Alternaria alternatae0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Acetic acid solutions at concentration 0.5 and 2.0% effectively reduced occurrence of Alternaria alternata”
t0“lettuce (Lactuca sativa L.)”
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application · growth · Lactuca sativa (garden lettuce)Positive and negative results
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