نتایج جستجو برای: protein and chlorophyll content
تعداد نتایج: 17041564 فیلتر نتایج به سال:
Heavy metal pollution in aquatic ecosystems affects microalgae and zooplankton, alters the biomass and abundance of species, and promotes interspecies relationships to the predominance of less sensitive species. In this study, the effect of short-term stress of different concentrations of cadmium heavy metal on Chlorella sp. growth and some biochemical parameters have been investigated. Microal...
In order to investigate the effect of magnesium oxide (MgO) and iron oxide (Fe2O3) nanoparticles (NPs) on physiological traits and the yield of sour tea (Hibiscus Sabdariffa L.), a factorial experiment was conducted in a randomized complete block design (RCBD) with four replications in 2018. MgO and Fe2O3 were used in concentrations of 0.01% and 0.03% as foliar application. The results show...
Verticillium dahliae Kleb.is a soilborne pathogen that cause vascular wilt in chrysanthemumplant (Dendranthema grandiflorum (Ramat.) Kitam). The objective of this research was to study the levels of some organic solutes, such as total protein, total soluble sugars, starch and proline, relative water content, RNA level, malondialdehyde and H2O2 contents in leaves of chrysanthemuminoculated with ...
determination of chlorophyll content and chlorophyll fluorescence has the potential needed to analyze the efficiency of photosynthesis in plants against environmental stresses, especially salinity, and its simplicity facilitates stress evaluation. in order to study the response of different photosynthetic characters to salinity stress at different sugar beet growth stages, two separate experime...
to study the effect of humic acid and drought stress on some physiological characteristics of roselle (hibiscus sabdariffa) an experiment was conducted in the research field of agricultural education centre of jiroft in 2013. field experiment was carried out as split plot design with three replications. water deficit stress as main factor with three levels (a1 = irrigation after 50, a2 = 100 an...
Tonnage (T), Simmonds (S) avocado trees, and TxS crosses were evaluated for differences in chlorophyll content and maximal quantum yield of photosystem II in sun and shade-type leaves. Total chlorophyll content by area (Chl a+bar) ranged from 984 mg m in TxS240 to 4320 mg m in Simmonds. Chlorophyll a/b ratio (Chl a/b) ranged from 9.8 to 5.5 in TxS238 and TxS243, respectively. Tonnage and Simmon...
the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...
Heavy metal pollution in aquatic ecosystems affects microalgae and zooplankton, alters the biomass and abundance of species, and promotes interspecies relationships to the predominance of less sensitive species. In this study, the effect of short-term stress of different concentrations of cadmium heavy metal on Chlorella sp. growth and some biochemical parameters have been investigated. Microal...
in the present study, effects of iron excess treatments (0, 250, 500 mg l-1) were evaluated in four rice varieties including shafagh, khazar, hashemi and sadri in pot condition. afterward, effects of iron excess (10 and 250 mg l-1) were further investigated in the most resistant variety (shafagh) in sand culture with yoshida nutrient solution. this experiment was arranged as factorial in rcbd w...
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