نتایج جستجو برای: essential oil content and composition
تعداد نتایج: 16937033 فیلتر نتایج به سال:
چکیده کنه تارتن دو لکه ای tetranychus urticae koch یکی از چندخوارترین آفات شناخته شده محصولات کشاورزی دنیا به حساب می آید. در این بررسی جمعیت تخم و مراحل فعال این کنه در شرایط آلودگی طبیعی و مصنوعی در برگ های 8 رقم لوبیا در سال 1392 در گلخانه و مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه ارومیه موردمطالعه قرار گرفت. آزمایش به صورت طرح کاملاً تصادفی برای شرایط مزرعه در10 تکرار و برای شرایط گلخانه ای...
abstract in order to study the effect of sowing date and seeding rate on essential oil content and composition of chamomile (matricaria recutita l.) cv. presov, prepared from slovakia, an experiment was conducted. the experimental design was split-plot in the basic of randomized complete blocked design (rcbd) with three replications. main plots consisted of three sowing dates (6 nov, 5 mar, and...
in this study, the effects of oleothermal modification on physical and mechanical peroperties of fir wood (abeis sp.) blocks were examined. at first, some blocks of fir wood with 5 × 20 × 120 cm dimensions were prepared. the blocks were treated in soybean oil. the effects of 3 factors such as treatments temperature (180and 200 °c), holding time (12 and 15 h) and initial moisture content of wood...
Ruta species are known as a potential source of natural products with biological activities. They are used in several fields such as in therapeutic and traditional medicine. In order to contribute to the valorization of these plants, this work investigated the chemical composition and antibacterial activity of the essential oils of Ruta montana and Ruta gravelons growing in tunisia (north o...
In this research the effects of organic and chemical fertilizers on essential oil content and composition of lemon balm were investigated. This research was conducted in completely block randomized design with 4 replications in 2019 and 2020. Treatments were organic fertilizers (from source of horse, sheep, cow, hen and vermicompost) and complete chemical fertilizer of NPK (20-20-20). The most ...
background: nanosilver particles are among the potentially candidates for modulating the redox status and changing the growth, performance and quality of plants because of their physicochemical characteristics. objective: this study was carried out to elucidate the potential effects of nanosilver particles application on variations of photosynthetic pigments (chlorophyll and carotenoids) and ...
abstractbackground and objectives: satureja khuzestanica is valuable and endemic medicinal specie that growing widely in southwest parts of iran. this specie is rich of phenolic compound carvacrol, therefore have considerable biological activities. satureja khuzestanica is a new medicinal plant in iran, and little research has been done on. thus, the present study with the aim of evaluating the...
Satureja genus presents 12 aromatic species in Iran, eight of which are endemic. Because of the several usages of Satureja species or their oils in different industries, we were interested to study the oil content and composition of Iranian Satureja species. In this research, the essential oil content and composition of two endemic species (S. edmondi and S. isophylla) were investigated. Essent...
background: thymus daenensis is on e of the endemic aromatic species in iran that its essential oil is used in food and pharmaceutical industries. objective: in this study, the effects of plant growth stages and distillation methods on essential oil content and thymol percentage of this species were evaluated. methods: the aerial parts of th. daenensis were collected in three stages of plant gr...
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