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- Title
THE DETERMINATION OF RESISTANCE TO THERMAL AND OF WATER STRESS TO THE NATIVE VARIETIES OF WATERMELONS.
- Authors
CIUCIUC, Elena; PARASCHIV, Alina Nicoleta; CROITORU, Mihaela
- Abstract
In the context of climate change, increasing temperatures and reducing precipitation are stress factors for watermelon plants. In order to determine the resistance of native varieties to stress factors, the Dulce Dabulni, Oltenia and De Dabuleni varieties were studied using two watering ceilings: watering according to the technology specific to sandy soils and watering reduced to 1A. The main physiological processes number of fruits/plants, the average weight of a fruit, its production and its quality were determined. Under reduced watering conditions, at watermelons reduced their photosynthetic yield, and sweating losses were higher. The number of fruit/plant was maintained at both watering ceilings, instead the average weight of a fruit and the yields produced were higher in the optimally watered variants. At the minimum ceiling, a higher total dry matter and vitamin C was obtained, and at the optimum ceiling, higher levels of soluble dry matter and carbohydrates were obtained. The highest resistance to thermal the stress was due to the Oltenia variety, which achieved an average fruit weight of 6.1 kg/fruit and a production of 38.2 t/ha under conditions of low watering.
- Subjects
WATERMELON varieties; CLIMATE change; EFFECT of stress on plants; PHYSIOLOGICAL effects of temperature; SANDY soils
- Publication
Analele Universitatii din Craiova. Seria Biologie, Horticultura, Tehnologia Prelucrarii Produselor Agricole, Ingineria Mediului, 2018, Vol 23, p58
- ISSN
1453-1275
- Publication type
Article