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ISHS Acta Horticulturae 932: XXVIII International Horticultural Congress on Science and Horticulture for People (IHC2010): International Symposium on Plant Physiology from Cell to Fruit Production System

HOT PEPPER SEED PRIMING AND GERMINATION AT DIFFERENT TEMPERATURES

Authors:   P.P. Silva, R.A. Freitas , W.M. Nascimento
Keywords:   Capsicum baccatum var. pendulum, vigor, germination rate, stand establishment
Abstract:
The non uniformity of hot pepper seed germination is one of the main problems faced by growers, since these seeds usually show low germination rate and low vigor. This study aimed to evaluate the germination of hot pepper ‘Mari’ at different temperatures after osmotic conditioning. Seeds were conditioned in aerated solution of polyethylene glycol (PEG 6000) for a period of seven days. Seeds were incubated at 15, 20, 25, 30 and 35°C. Seed counting were made daily to assess the germination rate. The total seed germination decreased with increasing temperature. In the first counting the conditioned seeds differed from non-conditioned at 35°C. The osmotic conditioning was effective in improving seed germination at all temperatures, especially at high temperatures.
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