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MOSTAFA, N., RIDA, M., TAHA, A. (2019). USE OF CHITOSAN TO IMPROVE THE TOLERABILITY OF CODIAEUM VARIEGATUM PLANTS TO TRANSPORT PERIODS. Egyptian Journal of Agricultural Research, 97(2), 303-315. doi: 10.21608/ejar.2019.150673
NAGLAA M. MOSTAFA; MAGD EL DIN F. RIDA; ASMAA M. TAHA. "USE OF CHITOSAN TO IMPROVE THE TOLERABILITY OF CODIAEUM VARIEGATUM PLANTS TO TRANSPORT PERIODS". Egyptian Journal of Agricultural Research, 97, 2, 2019, 303-315. doi: 10.21608/ejar.2019.150673
MOSTAFA, N., RIDA, M., TAHA, A. (2019). 'USE OF CHITOSAN TO IMPROVE THE TOLERABILITY OF CODIAEUM VARIEGATUM PLANTS TO TRANSPORT PERIODS', Egyptian Journal of Agricultural Research, 97(2), pp. 303-315. doi: 10.21608/ejar.2019.150673
MOSTAFA, N., RIDA, M., TAHA, A. USE OF CHITOSAN TO IMPROVE THE TOLERABILITY OF CODIAEUM VARIEGATUM PLANTS TO TRANSPORT PERIODS. Egyptian Journal of Agricultural Research, 2019; 97(2): 303-315. doi: 10.21608/ejar.2019.150673

USE OF CHITOSAN TO IMPROVE THE TOLERABILITY OF CODIAEUM VARIEGATUM PLANTS TO TRANSPORT PERIODS

Article 6, Volume 97, Issue 2, July 2019, Page 303-315  XML PDF (1004.71 K)
Document Type: Original Article
DOI: 10.21608/ejar.2019.150673
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Authors
NAGLAA M. MOSTAFA; MAGD EL DIN F. RIDA; ASMAA M. TAHA
Alexandria, Ornamental Plants Research and Landscape Antoniades Research Branch Gardening Department, Horticulture Research Institute, ARC, Egypt.
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.
Keywords
Chitosan - Codiaeum variegatum- croton; storage periods
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