Abstract
the aim of this study was to improve the tolerability of Codiaeum variegatum plants to transport and postharvest handling by using chitosan. It was conducted at Antoniades Research Branch, during the seasons of 2017 and 2018. Three concentrations of chitosan (0.0 ,500 and 750 ppm) were used as a foliar spray on the plants, then packing in carton box and stored at 15.5 ° C and 73%RH for different periods (0-time, 5, 10, 15 and 20 days).The results cleared that the foliar spray of chitosan at 500 ppm recorded the highest decrease in water loss rate (WLR), relative water loss (RWL), intensity of transpiration, leaves drop percentage (LDP) , proline and reducing sugars content. Also this treatment gave the highest chlorophyll a and b content. However RWL, LDP and proline content were increased by increasing the storage period. The lowest intensity of transpiration was recorded after the 10th day of storage. Also chlorophyll a and b were decreased by increasing storage period.
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Claims 7
Claim · model-written summary
Foliar chitosan at 500 ppm lowered water loss rate, relative water loss and transpiration intensity.
- Taxon
- Codiaeum variegatum
Codiaeum variegatume1 - Treatment
- foliar spray of chitosan at 500 ppme0
- Outcome
- water loss rate (WLR), relative water loss (RWL), intensity of transpiratione0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results cleared that the foliar spray of chitosan at 500 ppm recorded the highest decrease in water loss rate (WLR), relative water loss (RWL), intensity of transpiration, leaves drop percentage (LDP) , proline and reducing sugars content”
e1“improve the tolerability of Codiaeum variegatum plants to transport and postharvest handling by using chitosan”
Claim · model-written summary
Foliar chitosan at 500 ppm lowered proline and reducing sugars content.
- Taxon
- Codiaeum variegatumCodiaeum variegatume1
- Treatment
- foliar spray of chitosan at 500 ppme0
- Outcome
- proline and reducing sugars contente0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results cleared that the foliar spray of chitosan at 500 ppm recorded the highest decrease in water loss rate (WLR), relative water loss (RWL), intensity of transpiration, leaves drop percentage (LDP) , proline and reducing sugars content”
e1“improve the tolerability of Codiaeum variegatum plants to transport and postharvest handling by using chitosan”
Claim · model-written summary
Foliar chitosan at 500 ppm lowered the leaf drop percentage.
- Taxon
- Codiaeum variegatumCodiaeum variegatume1
- Treatment
- foliar spray of chitosan at 500 ppme0
- Outcome
- leaves drop percentage (LDP)e0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results cleared that the foliar spray of chitosan at 500 ppm recorded the highest decrease in water loss rate (WLR), relative water loss (RWL), intensity of transpiration, leaves drop percentage (LDP) , proline and reducing sugars content”
e1“improve the tolerability of Codiaeum variegatum plants to transport and postharvest handling by using chitosan”
Claim · model-written summary
Foliar chitosan at 500 ppm gave the highest chlorophyll a and b content.
- Taxon
- Codiaeum variegatumCodiaeum variegatume1
- Treatment
- foliar spray of chitosan at 500 ppme0
- Outcome
- chlorophyll a and b contente2
- Direction
- higheste2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results cleared that the foliar spray of chitosan at 500 ppm recorded the highest decrease in water loss rate (WLR), relative water loss (RWL), intensity of transpiration, leaves drop percentage (LDP) , proline and reducing sugars content”
e1“improve the tolerability of Codiaeum variegatum plants to transport and postharvest handling by using chitosan”
e2“Also this treatment gave the highest chlorophyll a and b content”
Claim · model-written summary
Relative water loss, leaf drop percentage and proline content increased with a longer storage period.
- Taxon
- Codiaeum variegatumCodiaeum variegatume1
- Treatment
- storage periode3
- Outcome
- RWL, LDP and proline contente3
- Direction
- increasede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“improve the tolerability of Codiaeum variegatum plants to transport and postharvest handling by using chitosan”
e3“However RWL, LDP and proline content were increased by increasing the storage period”
Claim · model-written summary
Intensity of transpiration was lowest after the 10th day of storage.
- Taxon
- Codiaeum variegatumCodiaeum variegatume1
- Treatment
- 10th day of storagee4
- Outcome
- intensity of transpiratione4
- Direction
- loweste4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“improve the tolerability of Codiaeum variegatum plants to transport and postharvest handling by using chitosan”
e4“The lowest intensity of transpiration was recorded after the 10th day of storage”
Claim · model-written summary
Chlorophyll a and b decreased with a longer storage period.
- Taxon
- Codiaeum variegatumCodiaeum variegatume1
- Treatment
- storage periode5
- Outcome
- chlorophyll a and be5
- Direction
- decreasede5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“improve the tolerability of Codiaeum variegatum plants to transport and postharvest handling by using chitosan”
e5“Also chlorophyll a and b were decreased by increasing storage period”