Effect of seed priming on growth features of Spinach (Spinacia oleracea) in sub-tropical regions
2014
Gholam Reza Sharifi-Sirchi
In order to extend the cultivation season and increase in growth ability in tropical regions, the effect of priming media, SA, NaCl, PEG, water and vitamin B1 with chemical elimination of pericarp by sulphuric acid, evaluated on growth characters of spinach under high temperature stress (25, 30, 35 °C). Results showed that PEG and vitamin B1 pretreatment after scarification with sulphuric acid 9 M increased germination percentage under 25 and 30°C. Also, for the propose of considering the effect of different priming media on spinach see at the optimum temperature of winter, seeds were sown in greenhouse and farm in Minab city. Results of greenhouse cultivation showed that hydro-primed seed and seed which primed with vitamin B1 and PEG had the highest emergence. In the field, the primed plant treated with vitamin B1, NaCl and distilled water had the highest yield. Therefore, this study suggests proofing laboratory results some experiments should be performed in farm filed with hotter temperatures by using vitamin B1 and PEG pretreatments.
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