Chitosan coating effect on vase life of flowering stems of Heliconia bihai (L.) L. cv. Halloween

被引：13

作者：

Banuelos-Hernandez, K. P. ^{[1
]}

Garcia-Nava, J. R. ^{[1
]}

Leyva-Ovalle, O. R. ^{[2
]}

Pena-Valdivia, C. B. ^{[1
]}

Trejo, C. ^{[1
]}

Ybarra-Moncada, M. C. ^{[3
]}

机构：

[1] Colegio Postgrad, Bot, Km 36-5 Carman Mexico Texcoco, Montecillo 56230, Estado De Mexic, Mexico

[2] Univ Veracruzana, Fac Ciencias Biol & Agr, Camino Penuela Amatlan, Penuela 94952, Veracruz, Mexico

[3] Univ Autonoma Chapingo, Dept Ingn Agroind, Km 38-5 Carretera Mexico Texcoco, Chapingo 56230, Estado De Mexic, Mexico

来源：

POSTHARVEST BIOLOGY AND TECHNOLOGY | 2017年 / 132卷

关键词：

Biopolymer; Longevity; Quality; Tropical ornamental; Vase life; LOBSTER CLAW; ANTHOCYANINS; RESISTANCE; FRUIT; ACID; PH;

D O I：

10.1016/j.postharvbio.2017.05.009

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Tropical ornamentals such as heliconias play a key role in the growth of the floriculture market due to their bright coloured and attractively shaped inflorescences. Heliconia bihai is one of the most popular of the Heliconias in the global market. New postharvest handling techniques to increase distribution of the cut flowers without compromising flower stern quality as measured by vase life are needed. The effects of chitosan coating on vase life of flower stems of Heliconia bihai (L.) L. Halloween stored under laboratory conditions has been studied. Flowering stem fresh weight loss, bract colour (L*, C* and h degrees), concentration of anthocyanin, total flavonoids and total sugars, percentage of absolute integrity of cell membranes (PAI) of stem, peduncle and bracts, and duration of vase life were evaluated on day 1, 5, 10 and the final day of vase life. Concentrations of 1.0 and 1.5% of chitosan, extended the vase life by 10.3 and 7 d more than the control, respectively. An internal cell damage gradient from the base to the apex based on ion release was observed and the visual quality of inflorescences decreased over time in all treatments, but at different rates.

引用

页码：179 / 187

页数：9

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