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- Author or Editor: Noémi Kappel x
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Grafting is a connection of two plant tissues, which are forced to develop vascular connection and grow as a single plant. Vegetable grafting has been used in Solanaceae family and Cucurbitaceae family for several reasons e.g. increasing tolerance against biotic and abiotic stresses, improving plant growth and yield. Fruit quality and appearance of vegetables may be influenced by grafting methods. Researchers have found contradictory results of fruit quality and appearance even in eggplant grafting due to different production environments, types of rootstock/scion combinations. In current review, we summarise available information on the effects of grafting and different rootstocks on eggplant fruit quality.
In order to evaluate the salinity tolerance of grafted watermelon, two sets of experiments were conducted in a growing chamber where ‘Esmeralda’ varieties were grafted onto interspecific squash (Cucurbita maxima Duch. × Cucurbita moschata Duch.) and Lagenaria siceraria rootstocks. Both non-grafted and self-garfted plants were used for control. For salt stress, 2.85 and 4.28 mM/l substrate doses of NaCl were added with each irrigation in 2 day intervals for a duration of 23 days. Interspecific-grafted plants showed the highest salinity tolerance as plant biomass and leaf area were not decreased but improved by salinity in most cases. Furthermore, transpiration and photosynthesis activity did not decrease as much as it did in the case of other grafting combinations. Interspecific and Lagenaria rootstocks showed sodium retention, as elevation of Na+ content in the leaves of these grafting combinations was negligible compared to self-grafted and non-grafted ones. Presumably abiotic stress tolerance can be enhanced by grafting per se considering measured parameters of self-grafted plants did not decrease as much as seen in non-grafted ones.
Melon (Cucumis melo L.) is an important and valuable vegetable crop that nowadays has a 550ha cultivation area in Hungary. The use of grafting for cucurbits is a growing technique of interest to the food industry. Nevertheless, for melons the practice of grafting is not widespread, in contrast grafted seedlings are widely used by the watermelon growers. On the other hand, it should be mentioned that the food quality attributes can change, due to the grafting. Globally there are not many scientific articles available in this topic. The goal of our study is to provide a systematic review of literature with emphasis on the influence of grafting on melon fruit quality variations and the major advantages of this technique. Over the last few years, the near infrared spectroscopy (NIRS) and electronic tongue method became popular to measure food attributes.