Abstract
We demonstrate atmospheric corona plasma can modify rice (Oryza sativa L.) seed surface wettability and eliminate attached microorganisms at ambient temperatures, which can enhance germination and extend shelf life. High electric field strength up to 10 5 V/cm at the electrode tips is the critical factor for generating corona discharge plasma and, consequently, providing reactive oxygen and nitrogen species (RONS) via electron-induced impact ionization. We show that the reactive species and ions are primarily responsible for enhanced seed surface wettability via water imbibition (WI) and apparent contact angle (ACA) measurement. A scanning electron microscope was employed to confirm that the cold corona plasma treatment can decontaminate seedborne pathogenic fungi. Sterilized seeds with better surface wettability are more likely to germinate and yield higher quality seedlings. In addition, we demonstrate the potential use of the corona plasma process for seed storage extension and quality retention through accelerated aging germination and decreased moisture content. Germination of treated seed after passing accelerated aging process is approximately 90%, similar to that of unaged and untreated seeds.
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Claims 6
Claim · model-written summary
Corona plasma enhanced rice seed wettability.
- Taxon
- rice
Oryza sativae1 - Treatment
- reactive species and ionse0
- Outcome
- seed surface wettabilitye0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reactive species and ions are primarily responsible for enhanced seed surface wettability via water imbibition (WI) and apparent contact angle (ACA) measurement”
e1“rice (Oryza sativa L.) seed surface wettability”
Claim · model-written summary
Cold corona plasma decontaminated rice seeds of pathogenic fungi.
- Taxon
- riceOryza sativae1
- Treatment
- cold corona plasma treatmente0
- Interactor
- pathogenic fungie0pathogen
- Outcome
- seedborne pathogenic fungie0
- Direction
- decontaminatee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cold corona plasma treatment can decontaminate seedborne pathogenic fungi”
e1“rice (Oryza sativa L.) seed surface wettability”
Claim · model-written summary
Sterilized rice seeds with better wettability were more likely to germinate.
- Taxon
- riceOryza sativae1
- Treatment
- Sterilized seedse0
- Outcome
- germinatee0
- Direction
- more likelye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sterilized seeds with better surface wettability are more likely to germinate”
e1“rice (Oryza sativa L.) seed surface wettability”
Claim · model-written summary
Sterilized rice seeds with better wettability yielded higher quality seedlings.
- Taxon
- riceOryza sativae1
- Treatment
- Sterilized seedse0
- Outcome
- quality seedlingse0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sterilized seeds with better surface wettability are more likely to germinate and yield higher quality seedlings”
e1“rice (Oryza sativa L.) seed surface wettability”
Claim · model-written summary
Treated rice seed germination after accelerated aging was approximately 90%, similar to unaged untreated seed.
- Taxon
- riceOryza sativae1
- Treatment
- treated seed after passing accelerated aging processe0
- Outcome
- Germinatione0
- Direction
- similare0
- Value
- approximately 90%e0
- Comparator
- unaged and untreated seedse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Germination of treated seed after passing accelerated aging process is approximately 90%, similar to that of unaged and untreated seeds.”
e1“rice (Oryza sativa L.) seed surface wettability”
Claim · model-written summary
Corona plasma decreased rice seed moisture content during accelerated aging assessment.
- Taxon
- riceOryza sativae1
- Treatment
- corona plasma processe0
- Outcome
- moisture contente0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“corona plasma process for seed storage extension and quality retention through accelerated aging germination and decreased moisture content”
e1“rice (Oryza sativa L.) seed surface wettability”