نتایج جستجو برای: typha
تعداد نتایج: 634 فیلتر نتایج به سال:
امروزه، تحقیقات و طرح های توسعه صنعتی در زمینه بیوتکنولو‍ژی و حفظ محیط زیست از اهمیت خاصی برخوردار گردیده و استفاده از امکانات موجود در طبیعت توجه محققین را به خود جلب کرده است. از جمله این موارد، استفاده بهینه از مواد سلولزی و لیگنوسلولزی است. امروزه، استفاده از الیاف طبیعی گیاهی، علاوه بر صنعت نساجی در صنایع پلیمری و خودروسازی از اهمیت خاصی برخوردار شده است. توسعه روز افزون کاربرد الیاف طبیع...
Phytotoxicity assessments were performed to compare responses of Typha latifolia (L.) seeds to atrazine (only) and atrazine + S-metolachlor exposure concentrations of 0.03, 0.3, 3, and 30 mg L(-1), as well as permethrin exposure concentrations of 0.008, 0.08, 0.8, and 8 mg L(-1). All atrazine + S-metolachlor exposures resulted in significantly reduced radicle development (p < 0.001). A stimulat...
Intra-specific variability of root biomass production (RP) of six rooted macrophytes, i.e. Juncus effusus, Phragmites australis, Schoenoplectus lacustris, Typha latifolia, Phalaris arundinacea, and Iris pseudacorus grown from clones, in response to Cu exposure was investigated. Root biomass production varied widely for all these macrophytes in control conditions (0.08 μM) according to the sampl...
Hydraulically connected wetland microcosms vegetated with either Typha latifolia or Myriophyllum aquaticum were amended with an NH4NO3 and permethrin mixture to assess the effectiveness of both plant species in mitigating effects of the pollutant mixture on phytoplankton (as chlorophyll a) and Hyalella azteca. Phytoplankton grew in response to increased NH4NO3 in the presence of all plant speci...
Yeasts of Rhodotorula genus have been reported to show endophytic colonization in different plants. Some of the Rhodotorula species are found to exhibit plant growth promoting activities and also have been reported to protect plants against invading pathogens. A yeast strain closely related to Rhodotorula mucilaginosa was isolated from the endosphere of Typha angustifolia collected from a Urani...
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