Abstract
AbstractGrafting is an effective tool in intensive vegetable growing systems that provides standard quality and yield. In the present study, the effect of two rootstocks (‘Capsifort F1’ and ‘Snooker F1’) on two commercial varieties (‘SV9702 F1’ and ‘Karpex F1’) grown on two media (soil and coconut fibre) was evaluated. During our 2-year study, those instrumental attributes, which have a dominant effect on the chosen chemical components of fruit quality (total soluble solids and titratable acidity) were investigated. Sensory tests were also implemented in order to identify any changes due to the applied technological combinations. Sensory profile analysis was used to identify the descriptive attributes and their perceived intensities. Panellists worked in individual booths with standard lighting, test results were recorded with the Profisens software. In general, it can be concluded that the major instrumental and sensory parameters did not deteriorate as a result of grafting and the application of coconut fibre medium. Some attributes were identified, where the grafted plants on coconut fibre medium showed higher values, namely flesh thickness and shape. Based on our results, grafting and the application of coconut medium is a feasible technological development for growers and agri-business companies.
Highlights
Sweet pepper (Capsicum annuum L.) has high economic importance worldwide
During our 2-year study, those instrumental attributes, which have a dominant effect on the chosen chemical components of fruit quality were investigated
For soilless cultivation coconut fibre slabs were chosen with a composition of 50% chips and 50% fine fibre, the fertilisation was calculated based on water analyses, and the four treatments corresponded to the fertilisation program used in the practice
Summary
Sweet pepper (Capsicum annuum L.) has high economic importance worldwide. The area of forced fresh pepper farming in Hungary was constant in the last few years, around 1,550 ha. Pepper can be consumed in many forms (fresh, canned, dried, etc.), and fruits show a high diversity in flavour and texture (Orban et al, 2011; Ilic et al, 2014). Vegetable grafting is a tool mainly used in forced cultivation to enhance production and crop quality, and has many advantages and disadvantages, as well (Lee, 2003; Davis et al, 2008). The use of grafted seedlings in pepper production is not well-known compared to other vegetable crops (Lee et al, 2010), the use of the appropriate rootstock type can influence yield and decrease environmental stress such as low temperature (Lopez-Marin et al, 2013). Suzuki and Morishita (2002) mention that the scion-rootstock compatibility frequently influences yield and fruit quality. Tsaballa et al (2013) concluded from their experiments that rootstocks have an influence on the fruit shape; and Fekete et al (2018) in their studies found that growing technology could influence fruit quality
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