Stomata and trichrome performances of four radish Raphanus sativus L. var. sativus cultivars grown in controlled cabinet under varying temperatures and irrigation levels
Journal Title: International Journal of Farming and Allied Sciences - Year 2016, Vol 5, Issue 1
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 stomata and trichomes of four radish cultivars in response to varying temperatures and irrigation levels. The obtained results revealed that radish grown at 12oC highly reduced length, aperture length, width, aperture width by 17.56, 7.5, 1.7 and 7.7%, respectively, as compared to that grow at 20oC. However, Stomata population at upper leaf surface of 12oC radish exceed that of 20oC by 54.68%. Width of hair base cells was significantly higher at upper and lower leaf surfaces by (7.34%) and (15.74%), respectively, in radish grown at 20oC than that grown at 12oC. Adequately irrigated radish profoundly bypassed that of wilted (100%AWC depletion) in terms of stomata length (42%), stomata aperture length (88.33%), stomata width (8.98%), and stomata aperture width (9.33%) of upper leaf surface. However, severe drought tended to increase stomata population significantly, as compared to adequate irrigation. Inadequate watering tended to reduce hair base width significantly by 25.02% in upper leaf surface and by 29.84% in lower leaf surface as compared to severely water stressed radish. Altox F1 substantially exceeded Topsi in upper leaf surface stomata length (1.22%), aperture length (2.12%). Moreover, at lower leaf surface Altox F1 also exceeded Topsi in aperture length of stomata (7.83%). The highest width for hair base was observed in Altox F1 (93.438 µm) which highly exceeded the lowest value observed in Corox F1 by (13.26%). Cultivars can be arranged in the following respects Altox F1> Corox F1> FamoxF1> Topsi.
Authors and Affiliations
Caser Ghaafar Abdel
Keywords
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