Abstract
It is assumed to be an efficient method for keeping a germinability of weed seeds as long as possible, if a secondary dormancy is not induced by transferring the seeds of which dormancy was broken in wetting condition into drying condition. To investigate its validity, two experiments were carried out on seeds of 9 weed species ; to find out the most effective storage condition in breaking the dormancy of each weed species and to know whether there is a decrease in the germinability by transferring into drying storage condition. The dormancy of Chenopodium album and Stellaria aquatica was released well under the drying condition, but that of Echinochloa crus-galli var. oryzicola by soaking in water. Other weed species were released from dormancy by storage in wetting condition. When the seeds stored in the wetting or soaking condition, are air-dried and then restored at room or low temperature, a decreasing tendency of germinability which might cause a trouble in using them practically, was not observed except on the seeds of Persicaria vulgaris. In the case of Persicaria vulgaris, the low germination since 3 month-storage seemed not to be caused by drying, because a decrease of its germinability was observed with increasing storage period in all of the storage conditions. In contrast, high germination was induced as the seeds of Echinochloa crusgalli var. oryzicola, which were not germinated during the storage in low temperature and wetting condition, were transferred into the room temperature and drying condition. These results suggest that this approach can be one of the efficient methods for keeping a good germinability as long as possible in most weed seeds.
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Claims 8
Claim · model-written summary
Drying released dormancy of Chenopodium album seeds.
- Taxon
- Chenopodium album
Chenopodium albume0 - Organ / stage
- Seedst0
- Treatment
- drying conditione0
- Outcome
- dormancye0
- Direction
- released welle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The dormancy of Chenopodium album and Stellaria aquatica was released well under the drying condition”
t0“Weed Seeds”
Claim · model-written summary
Drying released dormancy of Stellaria aquatica seeds.
- Taxon
- Stellaria aquatica
Myosoton aquaticume0 - Organ / stage
- Seedst0
- Treatment
- drying conditione0
- Outcome
- dormancye0
- Direction
- released welle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The dormancy of Chenopodium album and Stellaria aquatica was released well under the drying condition”
t0“Weed Seeds”
Claim · model-written summary
Water soaking released dormancy of Echinochloa crus-galli var. oryzicola.
- Taxon
- Echinochloa crus-galli var. oryzicolaEchinochloa oryzicolae0
- Organ / stage
- Seedst0
- Treatment
- soaking in watere0
- Outcome
- dormancye0
Not reportedComparatorDirection
Verbatim
e0“The dormancy of Chenopodium album and Stellaria aquatica was released well under the drying condition, but that of Echinochloa crus-galli var. oryzicola by soaking in water.”
t0“Weed Seeds”
Claim · model-written summary
Wetting storage released dormancy in the other weed species.
Not reportedComparator
Verbatim
e0“Other weed species were released from dormancy by storage in wetting condition.”
Claim · model-written summary
Air drying after wetting or soaking generally did not lower germinability.
- Taxon
- weed speciest0
- Treatment
- air-dried and then restored at room or low temperaturee0
- Outcome
- germinabilitye0
- Direction
- was not observede0
- Qualifier
- except on the seeds of Persicaria vulgarise0
Not reportedComparator
Verbatim
e0“When the seeds stored in the wetting or soaking condition, are air-dried and then restored at room or low temperature, a decreasing tendency of germinability which might cause a trouble in using them practically, was not observed except on the seeds of Persicaria vulgaris.”
t0“on seeds of 9 weed species”
Claim · model-written summary
Persicaria vulgaris germinability decreased with longer storage under all conditions.
Verbatim
e0“a decrease of its germinability was observed with increasing storage period in all of the storage conditions.”
t0“In the case of Persicaria vulgaris”
Claim · model-written summary
Transferring Echinochloa crusgalli var. oryzicola from cold wet storage to room-temperature drying induced high germination.
Verbatim
e0“high germination was induced as the seeds of Echinochloa crusgalli var. oryzicola, which were not germinated during the storage in low temperature and wetting condition, were transferred into the room temperature and drying condition.”
Claim · model-written summary
The authors recommend this storage approach for maintaining weed seed germinability.
Verbatim
e0“this approach can be one of the efficient methods for keeping a good germinability as long as possible in most weed seeds.”
The same questions in other papers
processing · growth · Chenopodium album (common lambsquarters)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- no effect
- 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.