Fibrous root dimensions of four radish (Raphanus sativus L. var. sativus) cultivars grown in controlled cabinets under varying temperatures and irrigation levels
Journal Title: International Journal of Farming and Allied Sciences - Year 2015, Vol 4, Issue 3
Abstract
Topsi, Famox F1, Corox F1 and Altox F1 radish cultivars were grown in controlled 20 and 12oC cabinets and they were subjected to 0, 33, 66 and 100% depletion of peat moss available water capacity (AWC). The objective of this experiment was to determine the performances of fibrous root growths and their water relations of four radish cultivars in response to varying temperatures and irrigation levels. The obtained results manifested that 20oC substantially exceeded 12oC in root length by (2.23%), root volume (18.1%) and root dry matter (1.7%). Root area negatively related to water availabilities. 100%AWC gave the highest root surface area (19.634 cm2), total fibrous root (778.41cm), which significantly differing from 33%AWC and 66% AWC (591.89 and 624.47cm, respectively), root volume (0.99675 cm3), fibrous root diameter (0.400525 mm), root dry (0.045646 g). Regression analysis revealed that linear regression dominated the responses of root length, root diameter, root volume, and dry weight of root to irrigation level. However, root area dominated by cubic regression type. Cultivar performance potencies ordered as the following: Altox F1> Famox F1 and Corox F1> Topsi. Combination responses mentioned in the results and discussion section.
Authors and Affiliations
Caser G. Abdel
Keywords
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