Abstract
Physical treatments of seeds to eradicate pathogens have the risk of reducing vitality of the seeds. Seed lots may differ in sensitivity to these treatments, therefore factors influencing this sensitivity, including the physiological condition of the seeds, should be identified. In this study priming was used to mimic the effect of pre-harvest onset of germination on the sensitivity to these treatments. The effect of humidification, by incubation for one day at 100% RH, followed by drying back, on the sensitivity was also analysed. Primed, humidified and control seeds were subjected to hot water, aerated steam or electron beam treatments at various levels. Two seed lots from Daucus carota (carrot), two seed lots from Brassica oleracea (kohlrabi) and one seed lot from Allium cepa (onion) were used in the tests. Primed seeds from all seed lots were more sensitive to the aerated steam treatment and the B. oleracea and A. cepa seed lots were also more sensitive to the hot water treatment after priming. Priming had no effect on the sensitivity towards the electron beam treatment. Humidification had no effect on the sensitivity towards the physical seed treatments, with the exception of the humidified onion seeds, which were clearly more tolerant towards the aerated steam treatment. It is concluded that seed companies should be aware that the onset seed germination processes prior to harvest may increase the sensitivity of the seeds towards aerated steam and hot water treatments.
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Claims 12
Claim · model-written summary
Primed carrot seeds were more sensitive to aerated steam treatment than control seeds
- Taxon
- Daucus carota
Daucus carotae2 - Treatment
- Primede1
- Outcome
- sensitive to the aerated steam treatmente1
- Direction
- moree1
- Comparator
- control seedse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Primed seeds from all seed lots were more sensitive to the aerated steam treatment”
e2“Two seed lots from Daucus carota (carrot), two seed lots from Brassica oleracea (kohlrabi) and one seed lot from Allium cepa (onion) were used in the tests”
e3“Primed, humidified and control seeds were subjected to hot water, aerated steam or electron beam treatments at various levels”
Claim · model-written summary
Primed kohlrabi seeds were more sensitive to aerated steam treatment than control seeds
- Taxon
- Brassica oleracea
Brassica oleraceae2 - Treatment
- Primede1
- Outcome
- sensitive to the aerated steam treatmente1
- Direction
- moree1
- Comparator
- control seedse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Primed seeds from all seed lots were more sensitive to the aerated steam treatment”
e2“Two seed lots from Daucus carota (carrot), two seed lots from Brassica oleracea (kohlrabi) and one seed lot from Allium cepa (onion) were used in the tests”
e3“Primed, humidified and control seeds were subjected to hot water, aerated steam or electron beam treatments at various levels”
Claim · model-written summary
Primed onion seeds were more sensitive to aerated steam treatment than control seeds
- Taxon
- Allium cepa
Allium cepae2 - Treatment
- Primede1
- Outcome
- sensitive to the aerated steam treatmente1
- Direction
- moree1
- Comparator
- control seedse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Primed seeds from all seed lots were more sensitive to the aerated steam treatment”
e2“Two seed lots from Daucus carota (carrot), two seed lots from Brassica oleracea (kohlrabi) and one seed lot from Allium cepa (onion) were used in the tests”
e3“Primed, humidified and control seeds were subjected to hot water, aerated steam or electron beam treatments at various levels”
Claim · model-written summary
Primed kohlrabi seeds were more sensitive to hot water treatment than control seeds
- Taxon
- Brassica oleraceaBrassica oleraceae2
- Treatment
- priminge4
- Outcome
- sensitive to the hot water treatmente4
- Direction
- moree4
- Comparator
- control seedse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“the B. oleracea and A. cepa seed lots were also more sensitive to the hot water treatment after priming”
e2“Two seed lots from Daucus carota (carrot), two seed lots from Brassica oleracea (kohlrabi) and one seed lot from Allium cepa (onion) were used in the tests”
e3“Primed, humidified and control seeds were subjected to hot water, aerated steam or electron beam treatments at various levels”
Claim · model-written summary
Primed onion seeds were more sensitive to hot water treatment than control seeds
- Taxon
- Allium cepaAllium cepae2
- Treatment
- priminge4
- Outcome
- sensitive to the hot water treatmente4
- Direction
- moree4
- Comparator
- control seedse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“the B. oleracea and A. cepa seed lots were also more sensitive to the hot water treatment after priming”
e2“Two seed lots from Daucus carota (carrot), two seed lots from Brassica oleracea (kohlrabi) and one seed lot from Allium cepa (onion) were used in the tests”
e3“Primed, humidified and control seeds were subjected to hot water, aerated steam or electron beam treatments at various levels”
Claim · model-written summary
Priming had no effect on carrot seed sensitivity to electron beam treatment
- Taxon
- Daucus carotaDaucus carotae2
- Treatment
- Priminge5
- Outcome
- sensitivity towards the electron beam treatmente5
- Comparator
- control seedse3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Priming had no effect on the sensitivity towards the electron beam treatment”
e2“Two seed lots from Daucus carota (carrot), two seed lots from Brassica oleracea (kohlrabi) and one seed lot from Allium cepa (onion) were used in the tests”
e3“Primed, humidified and control seeds were subjected to hot water, aerated steam or electron beam treatments at various levels”
Claim · model-written summary
Priming had no effect on kohlrabi seed sensitivity to electron beam treatment
- Taxon
- Brassica oleraceaBrassica oleraceae2
- Treatment
- Priminge5
- Outcome
- sensitivity towards the electron beam treatmente5
- Comparator
- control seedse3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Priming had no effect on the sensitivity towards the electron beam treatment”
e2“Two seed lots from Daucus carota (carrot), two seed lots from Brassica oleracea (kohlrabi) and one seed lot from Allium cepa (onion) were used in the tests”
e3“Primed, humidified and control seeds were subjected to hot water, aerated steam or electron beam treatments at various levels”
Claim · model-written summary
Priming had no effect on onion seed sensitivity to electron beam treatment
- Taxon
- Allium cepaAllium cepae2
- Treatment
- Priminge5
- Outcome
- sensitivity towards the electron beam treatmente5
- Comparator
- control seedse3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Priming had no effect on the sensitivity towards the electron beam treatment”
e2“Two seed lots from Daucus carota (carrot), two seed lots from Brassica oleracea (kohlrabi) and one seed lot from Allium cepa (onion) were used in the tests”
e3“Primed, humidified and control seeds were subjected to hot water, aerated steam or electron beam treatments at various levels”
Claim · model-written summary
Humidification had no effect on carrot seed sensitivity to physical sanitation treatments
- Taxon
- Daucus carotaDaucus carotae2
- Treatment
- Humidificatione6
- Outcome
- sensitivity towards the physical seed treatmentse6
- Comparator
- control seedse3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Humidification had no effect on the sensitivity towards the physical seed treatments, with the exception of the humidified onion seeds, which were clearly more tolerant towards the aerated steam treatment”
e2“Two seed lots from Daucus carota (carrot), two seed lots from Brassica oleracea (kohlrabi) and one seed lot from Allium cepa (onion) were used in the tests”
e3“Primed, humidified and control seeds were subjected to hot water, aerated steam or electron beam treatments at various levels”
Claim · model-written summary
Humidification had no effect on kohlrabi seed sensitivity to physical sanitation treatments
- Taxon
- Brassica oleraceaBrassica oleraceae2
- Treatment
- Humidificatione6
- Outcome
- sensitivity towards the physical seed treatmentse6
- Comparator
- control seedse3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Humidification had no effect on the sensitivity towards the physical seed treatments, with the exception of the humidified onion seeds, which were clearly more tolerant towards the aerated steam treatment”
e2“Two seed lots from Daucus carota (carrot), two seed lots from Brassica oleracea (kohlrabi) and one seed lot from Allium cepa (onion) were used in the tests”
e3“Primed, humidified and control seeds were subjected to hot water, aerated steam or electron beam treatments at various levels”
Claim · model-written summary
Humidified onion seeds were more tolerant to aerated steam treatment
- Taxon
- Allium cepaAllium cepae2
- Material
- humidified onion seedse6
- Treatment
- humidificatione6
- Outcome
- tolerant towards the aerated steam treatmente6
- Direction
- moree6
- Comparator
- control seedse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Humidification had no effect on the sensitivity towards the physical seed treatments, with the exception of the humidified onion seeds, which were clearly more tolerant towards the aerated steam treatment”
e2“Two seed lots from Daucus carota (carrot), two seed lots from Brassica oleracea (kohlrabi) and one seed lot from Allium cepa (onion) were used in the tests”
e3“Primed, humidified and control seeds were subjected to hot water, aerated steam or electron beam treatments at various levels”
Claim · model-written summary
Seed companies should be aware that pre-harvest onset of germination may increase seed sensitivity to aerated steam and hot water treatments
- Taxon
- Daucus carotaDaucus carotae2
- Outcome
- sensitivity of the seeds towards aerated steam and hot water treatmentse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“It is concluded that seed companies should be aware that the onset seed germination processes prior to harvest may increase the sensitivity of the seeds towards aerated steam and hot water treatments.”
e2“Two seed lots from Daucus carota (carrot), two seed lots from Brassica oleracea (kohlrabi) and one seed lot from Allium cepa (onion) were used in the tests”
The same questions in other papers
seed treatment · molecular: metabolites · Daucus carota (carrot)Positive and negative results
1 in the opposite direction
- positive
seed treatment · molecular: metabolites · Allium cepa (onion)Positive and negative results
1 in the opposite direction
- positive
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.