نتایج جستجو برای: a altissima
تعداد نتایج: 13432055 فیلتر نتایج به سال:
Urginea physodes (Jacq.) Bak., a species closely related to or possibly synonymous with U. pusilla, is described and its distribution given. Four bufadienolides were isolated from U. physodes and the approximated LD50 and cumulative effect of some of them determined in guinea pigs. The most toxic one proved to be mildly cumulative. Typical signs of acute cardiac glycoside poisoning, involving t...
Various methodologies, sensitivities, and types of interference affect the quantification plant hydrogen peroxide (H2O2) concentration. Modified ferrous oxidation xylenol orange (eFOX) assay titanium sulfate (Ti(SO4)2 are relatively accessible methods. However, their correlation is unknown, for example whether we can get same results different species in environments. Leaf samples Ambrosia trif...
گونه جدید ephedra laristanica از ایران نامگذاری و معرفی می گردد. این گونه با داشتن شکل رویشی افراشته، تعداد 3 بساک در هر گل، 2 دانه و لوله انتهایی بذر کوتاه، مشخص می گردد و با 2 گونه نزدیک خود به نامهای e. pachyclada و e. foliataمقایسه می گردد. گونه amblyopyrum muticum var. loliaceum که از شمال غرب ایران جمع آوری شده، برای اولین بار از ایران گزارش می گردد. گونه melica altissima که نویسنده فلور ...
Females of woody dioecious species usually expend more resources on reproduction than males. Therefore, it is expected that females incur greater costs males, and, as a result, trade-offs between and growth should emerge. The aim this study to test those hypotheses by analyzing the differences genders regarding radial (basal area increment) wood carbon isotope composition (δ13C), proxy water-us...
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