Growth and development of saffron (Crocus sativus L.) in response to temperature pre-treatment and environmental conditions
Journal Title: Journal of BioScience and Biotechnology - Year 2018, Vol 7, Issue 1
Abstract
Climatic indices, such as temperature, have an important role in saffron yield. This study was undertaken to investigate the effect of temperature-controlled conditions on the growth and development of saffron. For this purpose, saffron mother corms were initially pre-treated with two temperature levels of 17 and 30°C for four days. The treated corms were then planted in a greenhouse. Subsequently, the young plants were transferred to the main field at 4 different times including: a) no transfer, b) transfer immediately after flowering, c) transfer 10 days after flowering and d) transfer 20 days after flowering. Results showed that temperature pre-treatment of corms had no significant effect on studied traits while, time of transferring significantly affected some traits. The plants kept in the greenhouse had more length and a bigger number of leaves, while those that transferred immediately after flowering had more fresh weight, dry weight and corm diameter. It seems that the temperature of the greenhouse (23-25°C) was suitable for vegetative growth whereas, farm temperature (10-18°C) led to further corm attributes.
Authors and Affiliations
Roghaieh Zahmati, Hosein Amir Shekari, Mohammd Hosein Fotokian
Keywords
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