Abstract
Seed moisture content (SMC) is an important attribute to seed quality. Maintaining seed dryness throughout supply chain (The Dry Chain) prevents seed germination and quality losses. Ambient relative humidity (RH) and temperature affect seed moisture and thereof seed moisture isotherm. Present study was conducted to compare the moisture adsorption isotherms of wheat, maize, cotton and quinoa seeds packed in hermetic Super Bag and traditional packaging materials including paper, polypropylene (PP), jute and cloth bags. Seeds were incubated at 60, 70, 80 and 90% static RH. Nearly straight line moisture isotherms for all crop seeds were obtained in Super Bag. Seed moisture contents increased in traditional packaging materials with increasing RH. At higher level of RH, moisture contents increased slightly (1-2%) in Super Bag, whereas this increase was much higher in traditional packaging materials (≈9% higher than original SMC at 90% RH). In second study, seeds were dried to 8 and 14% initial seed moisture contents using zeolite drying beads and were stored in hermetic and conventional packaging materials for a period of 18 months. For all crop seeds, germination was severely affected in all packaging materials both at 8 and 14% initial SMC except storage in Super Bag at 8% SMC. Wheat seed stored in Super Bag at 8% SMC almost maintained initial germination while germination of cotton, maize and quinoa seeds declined 7%, 14% and 30% respectively in Super Bag at 8% SMC. Seed storage in Super Bag can help to prevent the significant increase in seed moisture at higher RH as is evident from moisture isotherm study, thus helps to preserve quality of maize, wheat, cotton and quinoa seeds by maintaining The Dry Chain throughout the storage period.
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Claims 9
Claim · model-written summary
Super Bag gave nearly straight moisture isotherms for all crop seeds.
Not reportedTaxon
Verbatim
e0“Nearly straight line moisture isotherms for all crop seeds were obtained in Super Bag”
Claim · model-written summary
Seed moisture increased in traditional packaging as relative humidity increased.
- Treatment
- traditional packaging materialse0
- Outcome
- Seed moisture contentse0
- Direction
- increasede0
- Qualifier
- increasing RHe0
Not reportedTaxon
Verbatim
e0“Seed moisture contents increased in traditional packaging materials with increasing RH”
Claim · model-written summary
At high humidity, seed moisture rose slightly by 1-2% in Super Bag.
Not reportedTaxonComparator
Verbatim
e0“At higher level of RH, moisture contents increased slightly (1-2%) in Super Bag”
Claim · model-written summary
At 90% humidity, traditional bags increased seed moisture by about 9% over original content.
- Treatment
- traditional packaging materialse0
- Outcome
- increasee0
- Direction
- highere0
- Value
- ≈9%e0
- Comparator
- original SMCe0
Not reportedTaxon
Verbatim
e0“this increase was much higher in traditional packaging materials (≈9% higher than original SMC at 90% RH)”
Claim · model-written summary
Super Bag at 8% initial moisture largely maintained wheat seed germination.
- Taxon
- Wheat
Triticum aestivume0 - Treatment
- Super Bag at 8% SMCe0
- Outcome
- germinatione0
- Direction
- almost maintainede0
- Comparator
- initial germinatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat seed stored in Super Bag at 8% SMC almost maintained initial germination”
Claim · model-written summary
Cotton germination declined 7% in Super Bag at 8% initial moisture.
- Taxon
- cotton
Gossypium hirsutume0 - Treatment
- Super Bag at 8% SMCe0
- Outcome
- germinatione0
- Direction
- declinede0
- Value
- 7%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“germination of cotton, maize and quinoa seeds declined 7%, 14% and 30% respectively in Super Bag at 8% SMC”
Claim · model-written summary
Maize germination declined 14% in Super Bag at 8% initial moisture.
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“germination of cotton, maize and quinoa seeds declined 7%, 14% and 30% respectively in Super Bag at 8% SMC”
Claim · model-written summary
Quinoa germination declined 30% in Super Bag at 8% initial moisture.
- Taxon
- quinoa
Chenopodium quinoae0 - Treatment
- Super Bag at 8% SMCe0
- Outcome
- germinatione0
- Direction
- declinede0
- Value
- 30%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“germination of cotton, maize and quinoa seeds declined 7%, 14% and 30% respectively in Super Bag at 8% SMC”
Claim · model-written summary
Germination was severely affected in other packaging and initial moisture conditions.
- Outcome
- germinatione0
- Qualifier
- in all packaging materials both at 8 and 14% initial SMC except storage in Super Bag at 8% SMCe0
Not reportedTaxon
Verbatim
e0“For all crop seeds, germination was severely affected in all packaging materials both at 8 and 14% initial SMC except storage in Super Bag at 8% SMC”
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