Solutions to conserve the vase life of <i>Heliconia</i> ‘Tropics’

Carrera Alvarado, Gisela; Baltazar-Bernal, Obdulia

doi:10.1590/s0102-0536-20210401

Gisela Carrera Alvarado

Colegio de Postgraduados, Campus Córdoba. Carretera Federal Córdoba-Veracruz km 348, Congregación Manuel León. 94946, municipio de Amatlán de los Reyes, Ver., México; carrera.gisela@colpos.mx; obduliabb@colpos.mx (author for correspondence)

https://orcid.org/0000-0002-0562-5283

Obdulia Baltazar-Bernal

Colegio de Postgraduados, Campus Córdoba. Carretera Federal Córdoba-Veracruz km 348, Congregación Manuel León. 94946, municipio de Amatlán de los Reyes, Ver., México; carrera.gisela@colpos.mx; obduliabb@colpos.mx (author for correspondence)

https://orcid.org/0000-0002-8877-7345

Figures (3)
Tables (4)

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Figure 1
Heliconia ‘Tropics’ (H. psittacorum x H. spathocircinata) cutting stages: A) closed, B) semi-open, and C) commercial. Veracruz, Mexico, Colegio de Postgraduados, Campus Córdoba, 2016.

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Figure 2
Water consumption during postharvest life of Heliconia ‘Tropics’ (H. psittacorum x H. spathocircinata) in a semi-open stage pulsed with sucrose at 0, 10, 20 and 30% (p/v). Veracruz, Mexico, Colegio de Postgraduados, Campus Córdoba, 2016.

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Figure 3
Changes on fresh weight during postharvest life of Heliconia ‘Tropics’ (H. psittacorum x H. spathocircinata) in semi-open stage treated with Hydraflor ® 100 at 0, 0.25, 0.50 and 0.75 g L^-1. Veracruz, Mexico, Colegio de Postgraduados, Campus Córdoba, 2016.

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Table 1
Means comparison of four measured variables in floral stems of Heliconia ‘Tropics’ (H. psittacorum x H. spathocircinata) pulsed for 24 h with different concentrations of sucrose, evaluated at day 14 of their vase life. Veracruz, Mexico, Colegio de Postgraduados, Campus Córdoba, 2016.

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Table 2
Means comparison of four variables measured in floral stems of Heliconia ‘Tropics’ (H. psittacorum x H. spathocircinata) treated with different concentrations of Hydraflor® 100, evaluated at day 14 of their vase life. Veracruz, Mexico, Colegio de Postgraduados, Campus Córdoba, 2016.

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Table 3
Means comparison of four variables assessed in floral stems of Heliconia ‘Tropics’ (H. psittacorum x H. spathocircinata) pulsed with four different solutions and a control (tap water) for 48 h, evaluated at day 14 of their vase life. Veracruz, Mexico, Colegio de Postgraduados, Campus Córdoba, 2016.

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Table 4
Means comparison of four variables measured in floral stems of Heliconia ‘Tropics’ (H. psittacorum x H. spathocircinata) pulsed with 10% sucrose + 0.50 g L^-1 Hydraflor® 100 at different times, evaluated on day 14 of their vase life. Veracruz, Mexico, Colegio de Postgraduados, Campus Córdoba, 2016.

Cut stage	Sucrose (%)	Floral opening (cm)	Fresh weight loss (g)	Water consumption (mL)	Vase life (days)
Closed	0	0	8.19^b	47.25^f	23.63^bcd
	10	0	9.43^ab	48.25^ef	25.63ª
	20	0	9.70^ab	54.88^cd	23.38^cd
	30	0	11.37^ab	51.88^de	23.50^cd
Semi-open	0	2.53^bcd	9.09^b	48.50^ef	21.13^e
	10	4.62^ab	9.35^b	55.50^cd	25.38^ab
	20	6.75^a	12.81^a	65.63^a	25.00^abc
	30	4.46^bc	9.18^b	52.13^de	24.25ª
Commercial	0	1.60^d	9.61^ab	54.00^cd	20.75^e
	10	0.93^d	10.32^ab	56.37^cd	24.38^abcd
	20	2.31^cd	9.12^b	61.75^ab	24.25^abcd
	30	1.25^d	10.54^ab	58.50^bc	23.13^d
CV (%)		0.93	0.35	0.13	0.09
Significance (p ≤ 0.05)
CS		0.0001	0.8867	0.0001	0.0453
Sucrose		0.0216	0.4029	0.0001	0.0001
CS x Sucrose		0.1506	0.3004	0.0109	0.0073

Cut stage	Hydraflor® (100gL^-1)	Floral opening (cm)	Fresh weight loss (g)	Water consumption (mL)	Vase life (days)
Closed	0.00	0.00	5.46^bc	37.50^fg	18.00^bcd
	0.25	0.00	3.46^efg	48.13^bc	17.50^cde
	0.50	0.00	2.58^g	55.00^a	19.75^ab
	0.75	0.00	0.92^h	38.88^fg	19.25^abc
Semi-open	0.00	3.41^ab	6.34^b	36.00^g	16.50^def
	0.25	3.15^ab	4.58^cdef	40.75^ef	16.50^def
	0.50	2.10^bc	0.94^h	43.75^de	20.50ª
	0.75	0.98^c	4.95^bcde	45.00^bcd	15.50^ef
Commercial	0.00	0.95^c	8.16ª	31.37^h	15.87^ef
	0.25	3.95ª	5.08^bcd	44.25^cde	16.50^def
	0.50	1.44^c	3.79^defg	48.63^b	18.25^bcd
	0.75	1.50^c	3.23^fg	41.25^def	15.75^ef
CV (%)		0.83	0.62	0.18	0.14
Significance (p ≤ 0.05)
CS		0.0896	0.0001	0.0014	0.0004
Hydraflor® 100		0.0001	0.0001	0.0001	0.0001
CS x Hydraflor®100		0.0002	0.0001	0.0001	0.0935

Cut stage	Treatment	Floral opening (cm)	Fresh weight loss (g)	Water consumption (mL)	Vase life (days)
Semi-open	Control (tap water)	1.51^bcd	10.59^abc	46.25^bc	19.63^de
	10% sucrose + 150 ppm CA	1.06^cde	12.07^ab	42.75^cd	21.63^cd
	10% sucrose + 0.50 g L^-1Hydraflor® 100	3.10ª	6.68^d	54.75ª	27.63^a
	10% sucrose + 150 ppm CA + 0.50 g L^-1Hydraflor® 100	2.29^ab	9.55^bc	46.88^bc	25.50^ab
	150 ppm CA + 0.50 g L^-1Hydraflor® 100	1.78^bc	9.50^bcd	55.75ª	21.88^cd
Commercial	Control (tap water)	0.56^de	11.07^abc	42.38^cd	18.25^e
	10% sucrose + 150 ppm CA	0.79^cde	13.41^a	40.13^d	24.13^bc
	10% sucrose + 0.50 g L^-1Hydraflor® 100	0.48^e	9.15^cd	51.75^ab	26.00^ab
	10% sucrose + 150 ppm CA + 0.50 g L^-1Hydraflor® 100	1.09^cde	11.83^abc	41.25^cd	21.63^cd
	150 ppm AC + 0.50 g L^-1Hydraflor® 100	0.85^cde	11.31^abc	44.75^cd	20.00^de
CV (%)		0.93	0.30	0.16	0.16
Significance (p ≤ 0.05)
CS		0.0001	0.0112	0.0002	0.0082
Treatment		0.0667	0.0005	0.0001	0.0001
CS x Treatment		0.0250	0.8728	0.2636	0.0015

Pulse time (h)	Floral opening (cm)	Fresh weight loss (g)	Water consumption (mL)	Vase life (days)
0	1.92^b	27.84^a	45.17^e	15.67^d
4	4.60^a	15.21^b	46.17^de	17.33^cd
8	3.33b^a	14.00^b	49.50^cd	17.33^cd
12	3.43b^a	12.07^b	56.17^a	19.5b^c
24	2.93b^a	9.22^b	52.50^bc	22.83^a
48	2.93b^a	13.87^b	53.80^ab	21.67^ba
CV (%)	0.56	0.60	0.09	0.17
Significance (p ≤ 0.05)
Pulse time	0.2740	0.0178	0.0001	0.0007

[TFN1] Means with the same letter between columns are not statistically different. Tukey, P < 0.05.

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Solutions to conserve the vase life of Heliconia ‘Tropics’

Soluções para conservar a vida de Heliconia ‘Tropics’ em vaso

ABSTRACT