To find out the best watermelon for harvesting, tap the surface of the watermelon with fingers. Boxplot showing the variability of four root morphological traits [(A) total root length (TRL), (B) average root diameter (ARD), (C) total root surface area (TSA), and (D) total root volume (TRV)] across four species of Citrullus as evaluated under greenhouse conditions. 2014 Global warming and changes in drought Nat. J.
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The subtlety of growing watermelons is that with a sharp cooling it can get sick and die, for normal development and full fertilization of the ovaries it needs a temperature of + 25 °C… +30 °C.
& Nogues, S. 2007 Chill-induced decrease in capacity of RuBP carboxylation and associated H2O2 accumulation in cucumber leaves are alleviated by grafting onto figleaf gourd Ann.
Sometimes the times vary as per the climate or variety.
142 47 56, Levi, A., Thomas, C.E., Wehner, T.C. 171 2562 2576, Schwarz, D., Rouphael, Y., Colla, G. & Venema, J.H. 2008 The effects of climate change on agriculture, land resources, water resources, and biodiversity.
The data reported here indicate that there is a wide variation in overall root system size (TRL and TSA) among accessions of C. colocynthis (Fig. 2010 Grafting as a tool to improve tolerance of vegetables to abiotic stresses: Thermal stress, water stress and organic pollutants Scientia Hort. Some of the best companion plants for watermelon are peas, beans, onions, radish, lettuce, leeks, garlic, chives, etc. The main root mass was found in the surface 16 to 20 inches of soil. Many desert plants produce seeds that rapidly germinate on the onset of a rainy season, but may also tend to produce seeds with delayed germination as a survival mechanism by remaining dormant until the water supply is sufficient for seedling survival (Gutterman, 1972). Watermelon vines need plenty of room. Water-use efficiency, which refers to the ability of plants to convert absorbed water into economic yield, is an important trait to incorporate into watermelon breeding programs and cultivar development pipelines (Fahad et al., 2017). World vegetables: Principles, production, and nutritive values. It has significant levels of vitamins A, B6, and C. Watermelon is a good source of lycopene, antioxidants, and amino acids. During the ripening period, watering is stopped. 9 e977710, Chomicki, G. & Renner, S.S. 2015 Watermelon origin solved with molecular phylogenetics including Linnaean material: Another example of museomics New Phytol. Given the high moisture content in watermelon, it is vital to identify and develop ideotypes with improved root traits and water-use efficiency.
accessions were evaluated for root traits in this study. CAB International, Wallingford, UK, Rice root architectural plasticity traits and genetic regions for adaptability to variable cultivation and stress conditions, Grafting as a tool to improve tolerance of vegetables to abiotic stresses: Thermal stress, water stress and organic pollutants, Comparative analysis of root system morphology in tomato rootstocks, Low and high-temperature effects on sweetpotato storage root initiation and early transplant establishment, Chill-induced decrease in capacity of RuBP carboxylation and associated H, accumulation in cucumber leaves are alleviated by grafting onto figleaf gourd, Fine root diameters can change in response to changes in nutrient concentrations, https://doi.org/10.21273/HORTTECH04098-18, American Society for Horticultural Science. & Aharoni, A. In: R. Monson (ed.).
As of this date, Scribd will manage your SlideShare account and any content you may have on SlideShare, and Scribd's General Terms of Use and Privacy Policy will apply. ROOTS The watermelon root system formation begins prior to emergence of cotyledons to the soil surface and reaches maximum extension by the time of flowering. Chapman and Hall, New York, Plants in deserts, 297–326. Now I move on to the vegetative and reproductive stages of the watermelon. ‘BS1’ was the only squash rootstock characterized; however, significant differences exist when comparing ‘BS1’ with ‘Exclamation’. Total root length varied from 8.78 to 181 cm (20.6-fold variation), total surface area varied from 2 to 35.5 cm2, and average root diameter and total root volume had an 8- and 29.5-fold variation, respectively.
1992 Water relations in cowpea and pearl millet under soil water deficits: I.
However, the cultivated sweet watermelon has a wide range of geographical distribution and production, which exposes the crop to challenges related to changing weather patterns and climate (Paris, 2015).