Effects of moisture stress on saffron flowering and yield

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This research project “Effects of moisture stress on saffron flowering and yield” was planted in summer of 2011 in the farm of Agricultural and Natural Resources Research Station in Gonabad. The experiment was conducted as RCBD with five treatments in four replicates. The treatments were, 70% FC, 60% FC, 50% FC, C1 three irrigations, and C2 four irrigations. Treatments at the first irrigation and after flower picking were similar in all plots and then irrigations up to April were applied. The area was 200 m2 and plots were 1×۲٫Depth of planting was 20 cm with 100 corms in each plot. Quantitative characters under study were, flower no., fresh weight of flowers, dry weight of stigma, corm no., and corm weight, covering weight and dry weight of leaves at the end of study. Qualitative characters were, measurement of picrocrocin, crocin, and safranal. All these traits were measured statistically for each year separately and the two year average.
The results show that in most treatments by increasing moisture stress there has been a reduction in quality factors and an increase in quality factors. In most treatments four irrigations that one of them applied in mid-summer had superiority relative to other treatments.

Source: Agriculture, natural resources professional team – Institute of Food Science – Summer 2014

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