Effects of Led Supplementary Lighting and NPK Fertilization on Fruit Quality of Melon (Cucumis melo L.) Grown in Plastic House

Kramchote, Somsak; Glahan, Somchai

Effects of Led Supplementary Lighting and NPK Fertilization on Fruit Quality of Melon (Cucumis melo L.) Grown in Plastic House

Journal of Horticultural Research

Volume 28 (2020): Issue 1 (June 2020)

By:

Somsak Kramchote and Somchai Glahan

Open Access

|Jun 2020

Figures & Tables

Fruit size, weight, volume, peel thickness and flesh thickness of melon in response to LED supplementary lighting and complete fertilizer (NPK 15–15–15) application

Factor/Treatments	Fruit size (cm)	Fruit weight (g)	Fruit volume (ml)	Peel thickness (cm)	Flesh thickness (cm)
Main factor-LED

No LED	16.6±2.1b	2081.1±56.3c	2050.6±120.1c	0.71±0.01b	2.60±0.02c
LED1	18.0±3.1ab	2560.0±79.9b	2537.0±98.7b	0.78±0.02a	2.97±0.02b
LED2	19.3±1.7a	3447.4±128.1a	3340.1±132.2a	0.84±0.02a	3.40±0.03a

F-value	43.2	27.6	45.3	36.5	45.8

Significance	*	*	*	*	*

Sub-factor-Complete fertilizer (CF)

5 g CF per plant	17.5±3.8	2386.7±126.0c	2374.4±123.4	0.73±0.01b	2.67±0.05b
7 g CF per plant	18.0±4.0	2743.3±150.2b	2710.2±134.5	0.79±0.08a	2.83±0.07b
9 g CF per plant	18.3±4.0	2958.6±178.2a	2843.0±162.5	0.81±0.06a	3.14±0.09a

F-value	65.1	45.4	24.7	42.4	27.5

Significance	ns	*	ns	*	*

Interaction effect (LED × CF)

No LED + 5 g CF per plant	16.0±2.3	1756.7±158.2f	1794.0±132.5e	0.62±0.05b	2.40±0.23c
No LED + 7 g CF per plant	16.6±3.1	2230.0±141.2e	2157.3±133.2de	0.74±0.07ab	2.62±0.17bc
No LED + 9 g CF per plant	17.2±2.9	2256.7±132.3e	2200.3±137.9de	0.77±0.10ab	2.70±0.24abc
LED1 + 5 g CF per plant	17.9±3.1	2316.7±134.2e	2355.0±177.2cde	0.77±0.12ab	2.71±0.22abc
LED1 + 7 g CF per plant	18.0±2.9	2556.0±132.4de	2466.7±132.6bcd	0.79±0.12ab	2.88±0.14abc
LED1 + 9 g CF per plant	18.0±2.8	2806.7±142.3cd	2789.3±168.9bc	0.80±0.12ab	3.30±0.27ab
LED2 + 5 g CF per plant	18.6±2.7	3086.7±132.5bc	2974.3±176.0ab	0.81±0.16a	3.37±0.21a
LED2 + 7 g CF per plant	19.4±2.8	3443.3±186.2b	3506.7±198.3a	0.84±0.16a	3.40±0.19a
LED2 + 9 g CF per plant	19.8±3.2	3812.3±144.2a	3539.3±182.9a	0.88±0.19a	3.41±0.23a

F-value	45.9	23.6	29.4	56.3	45.4

Significance	ns	*	*	*	*

CV (%)	7.8	4.6	7.6	7.9	8.6

Plant height (cm) of melon in response to LED supplementary lighting and complete fertilizer (NPK 15–15–15) application

Treatments	Days after transplanting

	14	21	28	35	42	49	56	63
Main factor-LED

No LED	43.8±3.3c	122.6±16.2c	151.3±9.8c	153.8±25.3c	155.0±8.6c	157.8±26.3c	158.8±15.6c	170.8±5.3c
LED1	51.3±2.1b	131.5±12.3b	173.0±7.7b	174.9±32.2b	176.2±11.3b	177.9±17.3b	178.9±11.5b	178.7±4.3b
LED2	64.1±1.6a	145.1±15.5a	187.3±5.9a	190.2±28.4a	191.4±12.3a	193.3±17.9a	194.4±11.5a	185.9±14.3a

F-value	18.4	26.1	12.3	34.2	9.8	25.2	38.2	56.2

Significance	**	*	*	*	*	*	*	*

Sub-factor-Complete fertilizer (CF)

5 g CF per plant	50.1±1.6c	129.1±14.6c	163.0±19.5c	165.0±12.3c	166.1±11.3c	168.6±12.4c	169.5±8.3c	160.4±8.5c
7 g CF per plant	52.5±2.5b	133.4±12.3b	170.9±15.4b	173.0±12.1b	174.6±16.2b	176.6±18.6b	177.6±11.4b	179.9±13.3b
9 g CF per plant	56.6±3.3a	136.7±14.9a	177.7±17.6a	180.8±15.2a	181.9±11.3a	183.9±17.4a	185.0±13.7a	185.9±17.2a

F-value	23.5	65.0	37.4	27.9	13.2	34.9	31.2	21.7

Significance	*	*	*	*	*	*	*	*

Interaction effect (LED × CF)

No LED + 5 g CF per plant	41.0±2.5g	119.0±8.5g	137.9±14.3h	140.0±12.1f	141.5±21.3g	144.7±8.7g	145.5±9.3h	147.6±9.4h

No LED + 7 g CF per plant	44.0±6.3f	123.3±9.2f	153.4±17.5g	155.2±11.2e	156.3±15.2f	159.2±11.3f	160.1±4.7g	161.6±7.7g

No LED + 9 g CF per plant	46.3±5.3ef	125.4±7.4ef	162.8±6.3f	166.2±12.2d	167.1±10.7e	169.7±24.3e	170.7±15.3f	172.1±9.9f

LED1 + 5 g CF per plant	48.3±4.2de	127.4±4.3de	167.4±14.3f	169.0±12.3d	170.0±4.2e	172.1±8.2de	172.8±14.3ef	174.0±7.9ef

LED1 + 7 g CF per plant	50.2±5.2d	131.2±13.3d	172.4±8.3d	173.7±14.5c	175.6±8.3d	177.3±13.3d	178.4±11.3de	179.4±11.6de

LED1 + 9 g CF per plant	55.5±4.3c	135.9±11.4c	179.1±16.3c	181.9±8.2b	183.0±9.3c	184.5±12.1c	185.4±14.2cd	186.3±18.2cd

LED2 + 5 g CF per plant	60.9±2.3b	141.0±5.8b	183.7±19.3b	185.8±7.3b	186.9±7.3bc	189.0±7.2bc	190.1±17.6bc	190.7±14.2bc

LED2 + 7 g CF per plant	63.3±3.3b	145.6±11.3a	186.9±15.3ab	190.2±5.9a	192.0±8.4ab	193.4±16.4ab	194.4±12.6ab	195.1±13.3ab

LED2 + 9 g CF per plant	68.0±2.7a	148.8±11.1a	191.3±11.3a	194.4±6.9a	195.4±9.4a	197.6±14.7a	198.8±11.4a	199.2±17.3a

F-value	42.0	57.2	19.5	65.3	43.2	48.3	27.5	23.5

Significance	*	*	*	*	*	*	*	*

CV (%)	1.8	1.0	0.9	0.4	1.0	1.2	1.4	1.4

Fruit peel color coordinates CIE L, a and b* values of melon in response to LED supplementary lighting and complete fertilizer (NPK 15–15–15) application

Factor/Treatments	L*	a*	b*
Main factor-LED

No LED	64.3±3.3b	13.2±1.3a	27.7±5.2
LED1	64.8±2.1b	14.0±2.5a	28.2±3.5
LED2	67.7±1.4a	11.8±1.1b	27.3±3.5

F-value	56.7	32.5	22.9

Significance	*	*	ns

Sub-factor-Complete fertilizer (CF)

5 g CF per plant	65.3±5.6	13.4±1.8a	27.3±3.5
7 g CF per plant	65.8±4.3	13.2±2.2ab	28.3±4.6
9 g CF per plant	65.8±4.2	12.3±1.1b	27.6±3.8

F-value	45.9	56.1	37.3

Significance	ns	*	ns

Interaction effect (LED × CF)

No LED + 5 g CF per plant	62.9±4.5	14.4±1.3ab	29.0±2.3ab
No LED + 7 g CF per plant	64.8±6.2	13.0±2.1abc	27.4±1.8ab
No LED + 9 g CF per plant	65.1±3.5	11.6±2.3c	26.6±5.2ab
LED1 + 5 g CF per plant	66.1±3.9	14.2±1.4ab	26.9±1.6ab
LED1 + 7 g CF per plant	64.7±7.3	14.6±2.4a	29.6±2.7a
LED1 + 9 g CF per plant	63.8±4.3	13.0±2.4abc	28.1±4.3ab
LED2 + 5 g CF per plant	66.8±5.6	11.5±4.7c	25.9±3.2b
LED2 + 7 g CF per plant	67.8±4.0	11.8±2.8c	27.9±3.3ab
LED2 + 9 g CF per plant	68.4±4.3	12.2±1.2bc	28.0±2.2ab

F-value	45.1	38.7	36.3

Significance	ns	*	*

CV (%)	3.5	6.2	4.1

Leaf chlorophyll content (SPAD unit) in melon leaves in response to LED supplementary lighting and complete fertilizer (NPK 15–15–15) application

Treatments	Days after transplanting

	28	35	42	49	56	63
Main factor-LED

No LED	51.7±4.2b	50.2±3.7b	50.0±3.6b	45.1±4.3b	41.9±2.9b	29.3±2.9c
LED1	54.0±5.6ab	52.6±3.5ab	52.0±4.2b	47.2±4.0ab	43.7±3.2a	31.5±3.7b
LED2	58.3±4.7a	57.6±3.5a	56.2±4.0a	48.3±6.2a	43.9±3.0a	34.6±5.0a

F-value	12.8	15.8	9.6	32.2	27.4	21.2

Significance	*	*	*	*	*	*

Sub-factor-Complete fertilizer (CF)

5 g CF per plant	53.9±5.3b	52.4±5.6b	52.2±2.4b	45.8±3.3b	41.7±2.4b	30.7±2.6b
7 g CF per plant	54.4±4.6ab	53.3±4.3ab	53.0±2.7a	45.9±2.7b	42.4±2.7ab	31.3±2.6ab
9 g CF per plant	55.1±3.7a	55.0±2.3a	53.5±2.3a	49.0±2.9a	45.3±2.4a	33.3±1.3a

F-value	17.7	21.4	43.5	61.3	35.0	54.4

Significance	*	*	*	*	*	*

Interaction effect (LED × CF)

No LED + 5 g CF per plant	49.6±4.3b	47.9±3.6b	46.0±6.3b	44.9±3.8b	41.5±3.9b	27.8±3.6c
No LED + 7 g CF per plant	52.3±2.6ab	50.7±6.7ab	48.8±2.5ab	45.2±4.1b	41.5±4.1b	29.1±3.9bc
No LED + 9 g CF per plant	57.8±3.4ab	51.6±3.9ab	49.3±4.3ab	45.3±4.0b	42.0±4.3b	31.0±3.6bc
LED1 + 5 g CF per plant	53.3±3.5ab	53.2±4.7ab	49.7±2.3ab	45.5±4.2b	42.0±3.9b	31.2±3.5bc
LED1 + 7 g CF per plant	53.7±2.6ab	52.5±3.5ab	49.6±4.3ab	45.7±4.0b	42.2±4.1b	31.8±5.8bc
LED1 + 9 g CF per plant	55.0±3.7ab	53.5±3.7ab	51.6±6.3ab	46.8±3.9b	42.3±4.2b	32.0±4.3bc
LED2 + 5 g CF per plant	55.1±3.2ab	53.7±3.7ab	51.6±3.6ab	47.5±5.3b	42.9±4.0b	32.8±2.9ab
LED2 + 7 g CF per plant	58.4±2.7ab	57.0±7.2a	54.8±3.2a	50.6±2.5ab	46.6±3.9ab	33.3±4.2ab
LED2 + 9 g CF per plant	59.3±4.4a	57.8±6.3a	55.7±3.3a	51.0±2.3a	47.4±4.4a	37.6±3.7a

F-value	24.8	36.2	39.9	56.8	62.1	43.6

Significance	*	*	*	*	*	*

CV (%)	5.9	6.0	7.0	10.1	11.0	5.4

Fruit firmness, total soluble solids (TSS), titratable acidity (TA) and juice pH of melon in response to LED supplementary lighting and complete fertilizer (NPK 15–15–15) application

Factor/Treatments	Firmness (N)	TSS (°Brix)	TA (%)	Juice pH
Main factor-LED

No LED	44.1±3.2b	14.2±1.5b	0.6±0.01a	6.6±1.3
LED1	51.3±4.1a	15.0±1.2ab	0.4±0.02b	6.4±2.1
LED2	57.5±3.2a	15.8±2.1a	0.2±0.02c	6.1±2.0

F-value	23.2	28.3	29.5	46.6

Significance	*	*	*	Ns

Sub-factor-Complete fertilizer (CF)

5 g CF per plant	47.3±2.5b	14.6±2.5	0.3±0.01b	6.4±0.15
7 g CF per plant	50.3±3.8ab	15.1±1.9	0.5±0.02a	6.3±0.08
9 g CF per plant	55.4±2.5a	15.4±1.9	0.5±0.02a	6.3±0.11

F-value	28.2	24.5±2.11	42.7	30.0

Significance	*	ns	*	ns

Interaction effect (LED × CF)

No LED + 5 g CF per plant	39.7±2.5b	13.5±3.5b	0.7±0.12a	6.6±1.55
No LED + 7 g CF per plant	44.4±4.1b	14.5±2.6ab	0.7±0.08a	6.6±0.74
No LED + 9 g CF per plant	48.2±2.5b	14.5±3.5ab	0.5±0.04b	6.5±1.25
LED1 + 5 g CF per plant	49.3±4.2ab	14.8±4.2ab	0.5±0.12b	6.4±1.51
LED1 + 7 g CF per plant	52.2±3.2ab	15.1±1.3ab	0.5±0.14b	6.4±1.34
LED1 + 9 g CF per plant	52.5±2.6ab	15.2±2.7ab	0.3±0.03c	6.3±1.47
LED2 + 5 g CF per plant	52.9±3.1ab	15.5±5.1ab	0.3±0.05c	6.3±1.41
LED2 + 7 g CF per plant	54.3±4.5ab	15.7±3.9ab	0.3±0.02cd	6.0±2.11
LED2 + 9 g CF per plant	65.5±6.2a	16.4±3.0a	0.1±0.01d	6.0±1.98

F-value	27.6	56.3	62.6	34.9

Significance	*	*	*	ns

CV (%)	11.1	6.6	9.8	3.8

DOI: https://doi.org/10.2478/johr-2020-0014 | Journal eISSN: 2353-3978 | Journal ISSN: 2300-5009

Journal RSS Feed

Language: English

Page range: 111 - 122

Submitted on: Aug 1, 2019

Accepted on: May 1, 2020

Published on: Jun 30, 2020

Published by: National Institute of Horticultural Research

In partnership with: Paradigm Publishing Services

Publication frequency: 2 times per year

Keywords:

light-emitting diode,

nitrogen, phosphorus and potassium fertilizer,

plant growth and development,

fruit physicochemical properties

Related subjects:

Ecology,

© 2020 Somsak Kramchote, Somchai Glahan, published by National Institute of Horticultural Research
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Previous article Volume 28 (2020): Issue 1 (June 2020)Next article

Effects of Led Supplementary Lighting and NPK Fertilization on Fruit Quality of Melon (Cucumis melo L.) Grown in Plastic House

Figures & Tables

Fruit size, weight, volume, peel thickness and flesh thickness of melon in response to LED supplementary lighting and complete fertilizer (NPK 15–15–15) application

Plant height (cm) of melon in response to LED supplementary lighting and complete fertilizer (NPK 15–15–15) application

Fruit peel color coordinates CIE L*, a* and b* values of melon in response to LED supplementary lighting and complete fertilizer (NPK 15–15–15) application

Leaf chlorophyll content (SPAD unit) in melon leaves in response to LED supplementary lighting and complete fertilizer (NPK 15–15–15) application

Fruit firmness, total soluble solids (TSS), titratable acidity (TA) and juice pH of melon in response to LED supplementary lighting and complete fertilizer (NPK 15–15–15) application

Fruit peel color coordinates CIE L, a and b* values of melon in response to LED supplementary lighting and complete fertilizer (NPK 15–15–15) application