Effects of foliar application of micronutrients (Fe and Zn) on flower yield and essential oil of chamomile (Matricaria chamomilla L.)

Department of Soil Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
Journal of medicinal plant research (Impact Factor: 0.88). 10/2010; 4(17):1733-1737.


In order to evaluate the effects of foliar application of micronutrients (iron and zinc) on yield and essential oil of chamomile, two field experiments were carried out in 2008 and 2009 at the Research Station of Faculty of Agriculture, University of Tabriz, Iran. Both experiments were arranged as factorial on the basis of randomized complete block design (RCBD) with four replications. Treatments were foliar application of micronutrients (Fe, Zn and Fe + Zn through ferrous sulphate and zinc sulphate at the concentration of 0.35%) and time of application (at stem elongation, flowering and both stages) with control (without foliar application). The results showed that flower yield, essential oil percentage, and essential oil yield increased by foliar application of Fe and Zn compared with control (untreated). The highest flower yield (1963.0 kgha -1), essential oil percentage (1.062%), and essential oil yield (20.835 kgha -1) were obtained for Fe + Zn spray treatment with about 46.4, 24.64, and 81.77% improvements in comparison with control, respectively. The time of foliar application had significant effect on flower dry yield, essential oil percentage and essential oil yield. The foliar application at both stages of stem elongation and flowering had more beneficial effects on these characters as compared with spray at only one stage. It seems that foliar application of iron and zinc can considerably improve flower yield and essential oil content of chamomile especially in calcareous soils.

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    • "These functions include cell wall formation, membrane integrity, cell wall syntheses, carbohydrate metabolism, calcium uptake, flowering, RNA metabolism, respiration, indole acetic acid, (IAA) metabolism, membranes, root growth, pollination and may help in the translocation of sugar (Parr and Loughman, 1983; Bonilla, 2009; Sala 2011; Pandey et al., 2013). Foliar fertilization (or foliar feeding) is a moderately new and contentious technique of feeding plants by applying liquid fertilizer directly to their leaves (Nasiri et al., 2010). Current research has discovered that small quantities of micronutrients, especially Fe and B either solitary or association with other micronutrients, applied by foliar spraying significantly enhanced growth and increased yield, yield components and grain quality of wheat crop. "

    Full-text · Article · Nov 2015
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    • "Fertilization with N, phosphorus (P), potassium (K) and other nutrients can affect yield and many physiological processes, which in turn could influence grain yield and protein concentration (Haq and Mallarino, 2005). Foliar spraying is a new method for crop feeding, which nutrients in form of liquid are used into leaves (Nasiri et al., 2010). Foliar application of nutrient elements is more beneficial than soil application. "
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    ABSTRACT: A field experiment was carried out at Agronomy Farm of Patuakhali Science and Technology University, Dumki, Patuakhali, from December 2011 to March 2012, to study the effects of nutrient foliar spray on soybean growth, yield and protein content. Soybean variety Shohag was used as the test crop. N, NPK, NPKS and NPKMg were sprayed and applied in the soil at vegetative and pod filling stages. Soil fertilizations were done as recommended dose, and no soil and foliar fertilization were considered as control. Plants were sprayed at the rate of 100 mg/L of water corresponding to each nutrient. The experimental design was a split plot with three replications. Result indicated that nutrient foliar spray, either singly or in combination, enhanced the growth and yield of the soybean as well as protein content in soybean seed, at the two growth stages compared to soil fertilization. However, spraying nutrients during pod filling stage was better than vegetative spraying stage in all characters studied. The highest amount of protein content in soybean seed and grain yield were obtained by spraying NPKMg.Bangladesh Agron. J. 2014, 17(1): 67-72
    Preview · Article · Jun 2015
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    • "These results may be attributed to the positive effect of the micro-elements on most metabolic processes such as carbohydrates, proteins, phosphate RNA and ribosome formation (Mostafa et al., 1997). In this respect, Rady et al. (2005) on amaryllis plants, Ebtsam Abdella et al. (2006) on Polianthes tuberosa, Hassanain et al. (2006) on chamomile plants, Naguib et al. (2007) on Ruta graveolens and Yousef et al. (2010) on chamomile, they found that foliar application with Fe, Zn or Mn individual or in mixtures affected positively on the above-mentioned records of plant chemical composition. Tables 3, 4, 5 and 6) clarified that gradual increase of GA 3 followed by gradual increase in N, P, K, Fe, Zn, Mn and total carbohydrates contents in leaves and flowers, with significant differences between mean values. "
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