Effect of shading and grafting on yield and quality of tomato

BACKGROUND The need to increase marketable tomato yields and decrease losses due to sunburn and disease during the summer motivates farmers to adopt additional cultural practices such as shading and grafting. To investigate complex interactions among grafting, shading, and tomato cultivar, grafted a...

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Bibliographic Details
Published in:Journal of the science of food and agriculture 2020-01, Vol.100 (2), p.623-633
Main Authors: Milenković, Lidija, Mastilović, Jasna, Kevrešan, Žarko, Bajić, Aleksandra, Gledić, Aleksandra, Stanojević, Ljiljana, Cvetković, Dragan, Šunić, Lj, Ilić, Zoran S
Format: Article
Language:English
Subjects:
Calcium
Crop Production - methods
Crop yield
Cultivars
Cultivation
Environmental stress
Fruit - chemistry
Fruit - growth & development
Fruits
Grafting
Lycopersicon esculentum - chemistry
Lycopersicon esculentum - growth & development
Nets
Organic chemistry
Plant Breeding - methods
quality
Radiation
Seasons
Shading
Sugars - analysis
Summer
Sunburn
Temperature
tomato
Tomatoes
Trace Elements - analysis
yield
Zinc
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Summary:BACKGROUND The need to increase marketable tomato yields and decrease losses due to sunburn and disease during the summer motivates farmers to adopt additional cultural practices such as shading and grafting. To investigate complex interactions among grafting, shading, and tomato cultivar, grafted and ungrafted tomatoes (cv. 'Optima' F1 and cv. 'Big Beef' F1) were grown in the soil under net‐house cover, using pearl and red nets, and in unshaded conditions (open fields). Tomato fruit at the red stage of maturity were used for the analysis of quality traits, and total and marketable yields were recorded during the whole production season. RESULTS Grafting and shading in tomato production might be considered as cultivation practices to increase the marketable tomato yield. A decrease in sugar content increased the uptake of some micro elements (Fe and Zn) and macro elements (Ca). In some cases, firmer and less elastic skin may be expected due to grafting. Shading with pearl net might result in fruit with lower firmness and higher total, and particularly malic, acid content. CONCLUSION Shading with colored nets and grafting provide alternative strategies for achieving higher fruit yields and avoiding or reducing a decrease in tomato quality caused by environmental stresses such as excessive radiation and temperature in the summer cropping season. © 2019 Society of Chemical Industry
ISSN:0022-5142
1097-0010
DOI:10.1002/jsfa.10057