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      • Open Access Article

        1 - Ecophytochemical Survey in Three Species of Artemisia L. Afected by Different Climate and Phenological Stages in Khuzestan Province
        Mohammad Reza Nazar Pour Mehrab Yadegari
        The most essential oil compounds in the A.sieberi L., A.aucheri L. and A.vulgaris L. were alpha-pinene, camphene, sabinene, limonene, artemisia-ketone, borneol, caryophyllene, germacrene-D and beta-eudesmol.  The purpose of this study was to investigate the effects More
        The most essential oil compounds in the A.sieberi L., A.aucheri L. and A.vulgaris L. were alpha-pinene, camphene, sabinene, limonene, artemisia-ketone, borneol, caryophyllene, germacrene-D and beta-eudesmol.  The purpose of this study was to investigate the effects of climatic conditions of two different regions of Khuzestan province (Masjed Soleiman and Izeh) and phenological stages (vegetative, flowering and seeding stages) on ​​the quantitative and qualitative characteristics of essential oil of three species of Artemisia (sieberi, aucheri and vulgaris) belonging to the Asteraceae family. This research was conducted in a completely randomized design in 3 replications. After collecting the shoots of plants in different stages, the essential oil was extracted by steam distillation and GC and GC / MS was used to identify the compounds. The most effective essential oil compounds were alpha-pinene, camphene, sabinen, limonene, artemisia-ketone, borneol, caryophyllene, germacrene-di and beta-odemsol. In addition, the amounts of volatile components and monoterpene hydrocarbons such as alpha-pinene and limonene in essential oils decreased from Masjed-Solieyman (tropical) to Izeh (temperate), however the percentage of sesquiterpene hydrocarbons such as caryophyllene increased. Therfore to obtain the most essential oil in the three studied species of Artemisia, harvesting in tropical climate at the beginning of flowering stage is suggested. Manuscript profile
      • Open Access Article

        2 - Investigating the Diversity of Camellia sinensis L. Genotypes by Their Echophytochemical Properties at Different Site of Gilan Province
        Samira Montahaedargah Mohammadbagher Rezaee marzieh ghanbari jahromi sepideh Kalatejari shahin Jahangirzadeh Khiavi
        Tea (Camellia sinensis L.) is a woody and perennial plant belonging to the Theaceace family. In this study, we evaluated the diversity of tea plant ecotypes from Langroud, Lahijan and Siahkal regions (ten ecotypes in each region) as three major tea growing regions in Ir More
        Tea (Camellia sinensis L.) is a woody and perennial plant belonging to the Theaceace family. In this study, we evaluated the diversity of tea plant ecotypes from Langroud, Lahijan and Siahkal regions (ten ecotypes in each region) as three major tea growing regions in Iran during 2019. Traits such as fresh and dry weight, chlorophyll a, b and total, caffeine, polyphenols, percentage of total ash and water soluble and insoluble ash were measured. The analysis of variance showed a significant difference (P≤0.01) between tea ecotypes for all traits. The highest dry and fresh leaf weight was obtained in Siahkal ecotype (code 11). Siahkal ecotype (code 13) had the highest percentage of caffeine (7.63%), whereas Lahijan ecotype (code 21) represented the maximum amount. The highest amount of chlorophyll a and total chlorophyll was observed in Siahkol ecotype (code 18) and the highest amount of chlorophyll b was observed in Lahijan ecotype (code 30). The maximum (9.45%) and minimum (3.1%) polyphenols (9.45%) were obtained in Siahkal (code 16) and Lahijan (code 21), respectively. Siahkal (code 18), Siahkal (code 12) and Lahijan (code 21) represented the optimum total ash, soluble and insoluble ash in water, respectively. In general, ecotypes belonging to Siahkal region (codes 11, 13, 16 and 18) can be used in planning breeding projects and deciding to select suitable parents in hybridization to increase tea yield and phytochemical properties. Manuscript profile