Efeito do ambiente e uso de produtos alternativos na pós-colheita do mamão

Este trabalho visou a desenvolver um método alternativo para o armazenamento pós-colheita de mamão (Carica papaya L.), var. “Tainung 1”, e controlar as principais doenças nesta fase. Foram avaliadas duas condições de armazenamento (temperatura ambiente e câmara fria); seis tratamentos (Controle, Samurai 40 mL/20l de água, Serenade® 40mL/20l de água, Fungicida EUPROOFF® 10mL/20l de água, EUPROOFF® + Serenade® + Samurai, Serenade® + Samurai); cinco períodos de armazenamento (0;3; 6; 9 e 12 dias) e três meses (dezembro, janeiro e fevereiro). A perda de massa dos frutos (PMF), a cor, o número e o tamanho das lesões foram avaliados e utilizados para calcular a incidência da doença bem como a média desta incidência. A PMF e a cor dos frutos foram mais afetadas pela variação mensal do que os tratamentos, principalmente o Samurai. O crescimento da incidência da doença foi mais lento em câmara fria. Entre os tratamentos, o Samurai foi o mais eficaz de todos; mas, se misturado a outros produtos, sua eficiência não foi observada. Esses resultados sugerem que o uso do Samurai somente em condições de câmara fria pode ser mais eficaz no controle de doenças pós-colheita do mamão.

Termos para indexação
Doenças em Frutas; Controle Biológico; Câmara fria; Fungicida; Pesticida Orgânico

Autoria

Kiyotaka Murakami

Master student, Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília.Brasília-Brazil. E-mail: kiyotaka063@gmail.com Universidade de BrasíliaBrasilBrasília, DF, Brasil Master student, Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília.Brasília-Brazil. E-mail: kiyotaka063@gmail.com

https://orcid.org/0000-0003-3630-3639

Andre Freire Cruz

PhD. Associate Professor, Kyoto Prefectural University,Kyoto, Japan, E-mail: andre@kpu.ac.jp Kyoto Prefectural UniversityJapãoKyoto, Japão PhD. Associate Professor, Kyoto Prefectural University,Kyoto, Japan, E-mail: andre@kpu.ac.jp

https://orcid.org/0000-0001-9349-2742

Marcio de Carvalho Pires

PhD.Assistant Professor, Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília. Brasília-Brazil. E-mail: mcpires@unb.br Universidade de BrasiliaBrasilBrasília, DF, Brasil PhD.Assistant Professor, Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília. Brasília-Brazil. E-mail: mcpires@unb.br

https://orcid.org/0000-0003-2874-8398

Ivone Midori Icuma

PhD.Visitor Professor, Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília.Brasília-Brazil.E-mail: imicuma@hotmail.com Universidade de BrasiliaBrasilBrasília, DF, Brasil PhD.Visitor Professor, Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília.Brasília-Brazil.E-mail: imicuma@hotmail.com

https://orcid.org/0000-0001-6833-6342

Osvaldo Kiyoshi Yamanishi

PhD.Associate Professor, Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília. Brasília-Brazil. E-mail: kiyoshi@unb.br Universidade de BrasiliaBrasilBrasília, DF, Brasil PhD.Associate Professor, Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília. Brasília-Brazil. E-mail: kiyoshi@unb.br

https://orcid.org/0000-0002-2685-0973

SCIMAGO INSTITUTIONS RANKINGS

Tabelas

Tabelas (9)

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Table 1
Fresh weight loss of papaya 'Tainung 1' according to treatments and evaluation time. Brasília-DF, 2017/2018.

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Table 2
Fresh weight loss of papaya 'Tainung 1' according to evaluation time (days) and storage environment. Brasília-DF, 2017/2018.

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Table 3
Index color (L, a, and b values) of papaya ‘Tainung 1’ peels according to storage environment and evaluation time. Brasília-DF, 2017/2018.

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Table 4
Index color (L, a, and b values) of papaya ‘Tainung 1’ peels according to treatments and evaluation time. Brasília-DF, 2017/2018.

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Table 5
Severities, AACF1 (Lesion number) and AACF2 (Lesion size), in papaya 'Tainung 1' according to storage environment and evaluation time. Brasilia DF, 2017/2018.

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Table 6
Severities, AACF1 (Lesion number) and AACF2 (Lesion size), respectively in papaya 'Tainung 1' according to treatments and time of evaluation. Brasilia DF, 2017/2018.

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Table 7
Incidence and Average of Incidence of papaya 'Tainung 1' according to storage environment and evaluation period. Brasilia DF, 2017/2018.

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Table 8
Incidence and Average of incidence of papaya 'Tainung 1' according to treatments and time of evaluation. Brasilia DF, 2017/2018.

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Table 9
Incidence and Average of incidence papaya 'Tainung 1' according to treatments and storage environment (Normal Temperature and Cold Room). Brasilia DF, 2017/2018.

Table 1 Fresh weight loss of papaya 'Tainung 1' according to treatments and evaluation time. Brasília-DF, 2017/2018.

TREATMENTS	Fresh weight loss (%)
TREATMENTS	DEC	JAN	FEB
Control	3.06 Ca	3.80 Bb	5.06 Aa
Samurai	3.10 Ba	4.50 Aa	4.70 Aab
Serenade®	2.73 Ca	4.40 Bab	5.23 Aa
Euprooff ®	2.83 Ba	4.36 Aab	4.13 Abc
Euprooff ®+ Serenade® + Samurai	2.76 Ba	4.06 Aab	3.93 Ac
Samurai+Serenade®	3.40 Ba	3.86 ABab	4.00 Ac
Average	2.98	4.16	4.50
CV (%)	23.94

^*
Means followed by equal letters, uppercase in lines and lowercase in columns, are not significantly different according to Tukey test, 95% probability; C.V. = coefficient of variation.

Table 2 Fresh weight loss of papaya 'Tainung 1' according to evaluation time (days) and storage environment. Brasília-DF, 2017/2018.

Storage time (days)	Fresh weight loss (%)
Storage time (days)	Room Temperature	Cold room
0	0.00 Ae	0.00 Ae
3	1.64 Ad	1.55 Ad
6	4.09 Ac	2.88 Bc
9	7.05 Ab	4.42 Bb
12	11.09 Aa	6.11 Ba
CV (%)	23.94

^*
Means followed by equal letters, uppercase in lines and lowercase in columns, are not significantly different according to Tukey test, 95% probability; C.V. = coefficient of variation.

Table 3 Index color (L, a, and b values) of papaya ‘Tainung 1’ peels according to storage environment and evaluation time. Brasília-DF, 2017/2018.

Storage	L			a			b
	DEC	JAN	FEB	DEC	JAN	FEB	DEC	JAN	FEB
Room Temperature	49.21 Ca	50.43 Ba	52.66 Aa	4.71 Ba	5.36 Ba	7.90 Aa	41.05 Ba	39.20 Ca	42.90 Aa
Cold room	35.83 Cb	40.05 Bb	46.31 Ab	-8.16 Cb	-6.51 Bb	-5.27 Ab	29.54 Bb	30.47 Bb	37.41 Ab
CV (%)	5.26			591.37			9.40

^*
Means followed by equal letters, uppercase in lines and lowercase in columns, are not significantly different according to Tukey test, 95% probability; C.V. = coefficient of variation; L: lightness; a: green-red color; b: blue-yellow color.

Table 4 Index color (L, a, and b values) of papaya ‘Tainung 1’ peels according to treatments and evaluation time. Brasília-DF, 2017/2018.

TREAT	L			a			b
TREAT	DEC	JAN	FEB	DEC	JAN	FEB	DEC	JAN	FEB
Control	43.14 Cab	45.10 Bab	49.93 Aab	-2.8 Bb	1.74 Bb	2.64 Aa	35.33 Ca	33.48 Bb	41.45 Aab
Samurai	41.97 Bab	43.22 Bc	48.37 Ab	-2.19 Bab	-1.91 Bb	0.17 Ab	34.20 Ba	31.80 Bc	37.55 Ac
Serenade®	41.62 Cb	46.17 Bab	50.32 Aa	-1.79 Cab	0.51 Ba	3.39 Aa	34.78 Ba	35.63 Bab	41.48 Aab
Euprooff ®	42.47 Cab	46.28 Ba	50.73 Aa	-1.20 Ca	0.91 Ba	2.15 Aa	35.90 Ba	37.09 Ba	43.04 Aa
Euprooff ®+ Serenade® + Samurai	42.46 Cab	46.28 Ba	49.17 Aab	-0.9 Ba	0.35 Aa	-0.67 Aab	35.70 Ba	37.26 Ba	39.88 Abc
Samurai+Serenade®	43.46 Ba	44.41 Bbc	48.39 Ab	-1.28 Aa	-1.55 Ab	0.17 Ab	35.84 Ba	33.73 Bbc	37.53 Ac
CV (%)	5.26			591.37			9.40

^*
Means followed by equal letters, uppercase in lines and lowercase in columns, are not significantly different according to Tukey test, 95% probability; C.V. = coefficient of variation; L: lightness; a: green-red color; b: blue-yellow color.

Table 5 Severities, AACF1 (Lesion number) and AACF2 (Lesion size), in papaya 'Tainung 1' according to storage environment and evaluation time. Brasilia DF, 2017/2018.

Storage	AACF1			AACF2
	DEC	JAN	FEB	DEC	JAN	FEB
Normal Temperature	2.01 Ca	3.32 Ba	5.15 Aa	2.39 Ca	3.74 Ba	5.13 Aa
Cold Room	1.38 Ab	1.23 Ab	1.53 Ab	1.36 Ab	1.22 Ab	1.58 Ab
CV (%)	25.41				19.23

^*
Means followed by equal letters, uppercase in lines and lowercase in columns, are not significantly different according to Tukey test, 95% probability; C.V. = coefficient of variation.

Table 6 Severities, AACF1 (Lesion number) and AACF2 (Lesion size), respectively in papaya 'Tainung 1' according to treatments and time of evaluation. Brasilia DF, 2017/2018.

Treatments	AACF1			AACF2
Treatments	DEC	JAN	FEB	DEC	JAN	FEB
Control	1.68 Ba	1.90 Ba	3.83 Aab	1.81 Bab	2.47 Ba	3.72 Aab
Samurai	1.31 Ba	2.09 ABa	2.42 Ac	1.49 Bb	2.35Aa	2.88 Ab
Serenade®	1.60 Ca	2.48 Ba	4.20 Aa	1.76 Cab	2.66 Ba	3.86 Aa
Euprooff ®	1.93 Ba	2.66 ABa	3.25 Abc	1.96 Bab	2.82Aa	3.29 Aab
Euprooff ®+ Serenade® + Samurai	1.56 Ba	2.25 Ba	3.10 Abc	1.86 Bab	2.52 Ba	3.25 Aab
Samurai+Serenade®	2.09 Ba	2.30 Ba	3.22 Abc	2.39 Ba	2.32Ba	3.22 Aab
CV (%)	25.41				19.23

^*
Means followed by equal letters, uppercase in lines and lowercase in columns, are not significantly different according to Tukey test, 95% probability; C.V. = coefficient of variation.

Table 7 Incidence and Average of Incidence of papaya 'Tainung 1' according to storage environment and evaluation period. Brasilia DF, 2017/2018.

Storage	Incidence			Average of incidence
	DEC	JAN	FEB	DEC	JAN	FEB
Normal Temperature	1.36 Ba	1.40Aa	1.41 Aa	1.13 Ca	1.17 Ba	1.23 Aa
Cold Room	1.11 Bb	1.09 Bb	1.15 Ab	1.03 Bb	1.02 Cb	1.04 Ab
CV (%)	2.50			0.95

^*
Means followed by equal letters, uppercase in lines and lowercase in columns, are not significantly different according to Tukey test, 95% probability; C.V. = coefficient of variation.

Table 8 Incidence and Average of incidence of papaya 'Tainung 1' according to treatments and time of evaluation. Brasilia DF, 2017/2018.

Treatments	Incidence			Average of incidence
Treatments	DEC	JAN	FEB	DEC	JAN	FEB
Control	1.19 Bc	1.20 Bc	1.30 Aab	1.08 Bbc	1.09 Bb	1.17 Aa
Samurai	1.18 Ac	1.21 Ac	1.20 Ac	1.04 Bd	1.08 Ab	1.10 Ac
Serenade®	1.23 Bbc	1.30 Aa	1.33 Aa	1.08 Cbc	1.11 Ba	1.17 Aa
Euprooff ®	1.26 Aab	1.28 Aab	1.28 Aab	1.09 Bb	1.12Aa	1.13 Ab
Euprooff ®+ Serenade® + Samurai	1.21 Bbc	1.23 Bbc	1.33 Aa	1.07 Bc	1.08Bb	1.12 Ab
Samurai+Serenade®	1.30 Aa	1.23 Bbc	1.25 Bbc	1.13 Aa	1.08 Bb	1.12 Ab
CV (%)	2.50			0.95

^*
Means followed by equal letters, uppercase in lines and lowercase in columns, are not significantly different according to Tukey test, 95% probability; C.V. = coefficient of variation.

Table 9 Incidence and Average of incidence papaya 'Tainung 1' according to treatments and storage environment (Normal Temperature and Cold Room). Brasilia DF, 2017/2018.

Treatments	Incidence		Average of incidence
Treatments	RoomTemperature	Cold Room	RoomTemperature	Cold Room
Control	1.37 Aa	1.10 Bc	1.19 Aa	1.03 Bb
Samurai	1.38 Aa	1.01 Bd	1.14 Ab	1.00 Bc
Serenade®	1.40 Aa	1.18 Ba	1.20 Aa	1.05 Ba
Euprooff ®	1.40 Aa	1.15 Bab	1.19 Aa	1.04 Bab
Euprooff ®+ Serenade® + Samurai	1.38 Aa	1.13 Bbc	1.15 Ab	1.03 Bb
Samurai+Serenade®	1.40 Aa	1.13 Bbc	1.18 Aa	1.03 Bab
CV (%)	2.50		0.95

^*
Means followed by equal letters, uppercase in lines and lowercase in columns, are not significantly different according to Tukey test, 95% probability; C.V. = coefficient of variation.

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Efeito do ambiente e uso de produtos alternativos na pós-colheita do mamão

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[TFN0101] ^*
Means followed by equal letters, uppercase in lines and lowercase in columns, are not significantly different according to Tukey test, 95% probability; C.V. = coefficient of variation.