Effect of Nano Iron Chelate Fertilizer on Iron Absorption and Saffron (Crocus sativus L.) Quantitative and Qualitative Characteristics

Abstract

In order to investigate the effect of nano iron chelate and compare to EDDHSA chelate on saffron, a factorial experiment with six treatments and three replications was conducted in saffron research farm of Shahed University in crop year of 2013-2014. Treatments included iron fertilizer at two levels of application of nano iron chelate fertilizer and iron chelate fertilizer with base of EDDHSA and the second agent was amount of fertilizer at three levels of 0,5 and 10 kg haG 1 . Number of flowers, flowers performance, yield of wet and dry stigmas, amount of chlorophyll a and b, total chlorophyll, leaf area index, yield of dry leaf, concentration of leaf iron and total iron were investigated in this study. Qualitative features of Saffron including secondary metabolites of crocin (color agent), picrocrocin (taste agent) and safranal (scent) were measured. The results showed that all traits under study except picrocrocin, safranal, crocin, chlorophyll b, total chlorophyll and leaf area were affected by type, amount or interaction of type in amount of fertilizer. With increase of iron nano fertilizer content by 10 kg of flower number and yield of wet flower increased compared to the control. But application of 5 kg nano chelate led to increased yield of dry stigma, yield of dry leaf, concentration of leaf iron and total iron, compared to control. The overall results showed that a nano-based iron fertilizer is more effective than micro and 5 kg application of this fertilizer is superior to 10 kg.

Effects of iron nano-complex and Fe-EDDHA on bioactive compounds and nutrient status of purslane plants

“…Iron nano fertilizers have stimulatory effects on plant growth. The stimulating effect of the Fe nano chelate fertilizer applications the growth of peanut shoots and roots (Rui et al, 2016), mung bean (Karimi et al, 2014), saffron (Maleki Farahani et al, 2015) and poinsettia (Kaviani et al, 2016) has been reported. The increased Fe and carbohydrate availability in the Fe treated plants might be the reason for their increased shoot and root growth.…”

Effect of Soil Composition on Secondary Metabolites of Moroccan Saffron (Crocus sativus L.)

“…Farahani et al (2015) [ 49 ] studied the effect of iron-chelated nanofertilizers on the quantitative and qualitative characteristics of saffron. They found that this fertilizer is more effective than conventional iron-chelated fertilizers.…”

Impact of different levels of iron fertilizer on growth and yield physiology of Kodo millet under rainfed conditions – An overview

“…The best LAI of 5.1 was recorded in wheat cultivar Raijav after foliar treatment of iron (2%) during the tillering stage [17]. A correlation of the impact of nano iron chelate compost and standard chelate EDDHSA on the quantitative and subjective qualities of saffron (Crocus sativus L.) uncovered that nano-based iron manure was more successful than standard manure and that use of nano manure at 5 kg/ha was better in expanding the LAI than the most significant level of 3.45 [40].…”