Agronomic evaluation of different lettuce (Lactuca sativa L.) varieties under unheated plastic tunnel

A tétel rövid nézete
dc.creatorKovácsné Madar, Á.
dc.creatorTakácsné Hájos, M.
dc.date2022-07-27
dc.date.accessioned2022-07-27T21:09:02Z
dc.date.available2022-07-27T21:09:02Z
dc.descriptionAmong the leafy vegetables, lettuce (Lactuca sativa L.) is the most widely grown species in the world. Wide ranges of physical properties of the products are used to assess the degree of maturity. In this study, different lettuce varieties were grown under an unheated plastic tunnel in springtime. We evaluated the agronomic properties of different lettuce varieties, evaluated the condition of the plants, and determined the bioactive substances. Larger head weight can be achieved by the ‘King of May’ butterhead (259.31 g) and ‘Great Lakes 659’crisphead (220.40 g) genotypes. A very strong correlation (r = 0.995) was observed between the lettuce head index, and leaf index and both had a strong positive correlation (r = 0.828 and 0.760) with NDVI. The highest SPAD values were measured for cos lettuce ‘Romaine lettuce’ (44.01) and iceberg lettuce ‘Great Lakes 659’ (42.71). However, these genotypes showed the highest (9.52%; 8.74%) dry matter content, too. The red leaf variety 'Lollo Rosso' had the highest total polyphenol content (181.53 GAE/100 g FW).  Among the evaluated properties, iceberg lettuce showed favorable morphology, plant condition, and good dry matter content. In addition, between the loose-leaf lettuces, the red leaf lollo type was outstanding with bioactive content.
dc.formatapplication/pdf
dc.identifierhttps://ojs.lib.unideb.hu/IJHS/article/view/10314
dc.identifier10.31421/ijhs/28/2022/10314
dc.identifier.urihttp://hdl.handle.net/2437/336131
dc.languageeng
dc.publisherUniversity of Debrecen
dc.relationhttps://ojs.lib.unideb.hu/IJHS/article/view/10314/10078
dc.rightsCopyright (c) 2022 International Journal of Horticultural Science
dc.rightshttps://creativecommons.org/licenses/by/4.0
dc.sourceInternational Journal of Horticultural Science; Vol. 28 (2022); 50-56.
dc.source2676-931X
dc.source1585-0404
dc.source10.31421/ijhs/28/2022
dc.subjectlettuce
dc.subjectNDVI
dc.subjectSPAD
dc.subjectmorphology
dc.subjecttotal phenol content
dc.subjectdry matter content
dc.titleAgronomic evaluation of different lettuce (Lactuca sativa L.) varieties under unheated plastic tunnel
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
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International Journal of Horticultural Science