نتایج جستجو برای: amaranthus retroflexus
تعداد نتایج: 2354 فیلتر نتایج به سال:
اسیدهای فنلی از جمله متابولیتهای ثانویهای هستند که در ایجاد تنش آللوپاتی نقش دارند و میتوانند در جهت مدیریت علفهای هرز مورد استفاده قرار گیرند.در پژوهش حاضر اثر برخی از این ترکیبات در غلظت 5/0 و 2 میلی مولار بر روی محتوای پروتئین و فعالیت آنزیمهای پاد اکسایشی گیاه تاج خروس بررسی شده است.بذر گیاه مذکور در محیط کشت MS حاوی یکی از اسیدهای فنلی سیرنژیک، -p کوماریک، -m کوماریک، -p هیدروکسی بنزو...
The objective of this investigation was to evaluate the possibility of substituting Amaranthus pigments for nitrates in the of manufacture pork sausage. Five treatments of pork sausages (5% fat) with two levels of sodium nitrite (0 and 0.015%), or three levels (0.1%, 0.2% and 0.3%) of pigments extracted from red Amaranthus were produced. The addition of Amaranthus pigments resulted in the signi...
The accurate recognition of weeds on crops supports the spot application herbicides, high economic effect and reduction pesticide pressure agrocenoses. We consider approach based quantitative spectral characteristics plant objects to be most appropriate for development methods herbicides. made test plots with different species composition cultivated weed plants experimental fields scientific cr...
striped rice stem borer, chilo suppressalis (lepidoptera: pyralidae) is one of the major pests in north part of iran which causes serious damage. the last larval instar overwinters in the stem of weeds around the fields. regarding the importance of weeds as overwintering habitat, population density of larvae was studied in three areas; low-, mid-, and up-lands of mazandaran province and also on...
با توجه به اهمیت شناسایی دقیق آفات کلیدی و گیاهان میزبان آن ها در یک منطقه به منظور کنترل موفقیت آمیز آفات، فون ساقه خوارهای جنس chilo zincken, 1817 (lepidoptera: pyralidae) و گیاهان میزبان آنها در مازندران مورد بررسی قرار گرفت. چهار گونه ساقه خوار شامل c. partellus swinhoe، c. phragmitellus hubner، c. suppressalis walker و c. sacchariphagus indicus (kapur) جمع آوری شدند که گونه اخیر برای فون ...
a two year field experiment was carried out to evaluate the effects of municipal waste compost (c), composted cattle manure (m), and nitrogen (n) on growth and composition of weeds in a corn field in shiraz using a split-split plot design with 3 replicates. visual inspection of the plots showed that the manure treatments neither introduced new weed species nor increased weed density more than t...
to determine the optimum weed management method and plant population density on chickpea yield, a split plot experiment based on rcbd with four replications was carried out at the university of tehran research farm (located in karaj) during 2010-2011. the main factor consisted of nine treatments including: 1. trifluralin pre-plant, 2. pendimethalin pre-plant, 3. complete weeding, 4. imazethapyr...
Seed of Amaranthus alus L. develop an enhanced sensitivity to the farred absorbing form of phytochrome after prolonged imbibition at temperatures >32 degrees C. The enhanced sensitivity developed at 40 degrees C could be reversed by subsequent treatment at 20 degrees C and similarly reestablished by repeating a 40 degrees C treatment. It is concluded that relative sensitivity to the far-red abs...
East Calcutta Wetland (ECW) is an example of wise use of cities solid and liquid waste through integrated resource recovery, mainly for pisciculture, vegetable as well as paddy cultivation and manure production. Amaranthus caudatus, Amaranthus blithum and Spinacia oleracea grown at ECW were analyzed for their accumulation of elements using Energy Dispersive X Ray Fluorescence (EDXRF) and compar...
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