نتایج جستجو برای: turf poa pratensis

تعداد نتایج: 4002  

Journal: :International Turfgrass Society research journal 2021

Increased athletic field usage and growing understanding of injury prevention have sports turf managers interested in implementing management practices that will improve turfgrass traffic stress tolerance. Previous research has shown other abiotic stressors, such as mowing/rolling, high/low temperature, drought, result changes to antioxidant enzyme activity levels. This study was conducted dete...

Journal: :Biology 2023

Rhizome growth and development is regulated by phytohormone. However, endogenous phytohormones affect rhizome initiation, sustained in perennial grass species remains elusive. In this study, we investigated the morphological characteristics content of indole-3-acetic acid (IAA), zeatin (ZT), gibberellic (GA3), abscisic (ABA) rhizomes two different Kentucky bluegrass. Using ultra-performance liq...

2017
Marina V. Olonova MARINA V. OLONOVA

Siberian bluegrass (Poa) includes a number of polymorphic species such as P. arctica s.l., P. nemoralis s.l., P. palustris s.l., P. pratensis s.l., P. sibirica s.l., and P. smirnovii s.l., plus numerous hybrids and purported derivatives (e.g., P. attenuata s.l., P. glauca s.l., P. urssulensis s.l.). In Siberia Poa is represented by morphologically isolated species and hybrid-apomictic complexes...

Journal: :International Turfgrass Society research journal 2021

SCANTURF is a joint Nordic programme for turfgrass variety testing, set up in 2005 and funded by entrance fees only. It replaced simplified the former government-funded national evaluation programmes Finland, Sweden, Denmark Norway. The includes testing of all cool-season grasses on lawn/fairways at 15–20 mm mowing height (“lawn trials”) optional Poa pratensis L. Lolium perenne simulated footba...

Journal: :Journal of public health management and practice : JPHMP 2011
Emery A Wilson Elmer T Whitler Linda M Asher

Access to vital health care services is currently unavailable to many of Kentucky’s estimated 671 434 uninsured in 20091 and inadequate for many more currently covered by health insurance. A sufficient number of physicians of all specialties, especially primary care, are necessary to ensure that appropriate care is available. On the basis of a 2007 study by the Kentucky Institute of Medicine,2 ...

ژورنال: :دو فصلنامه تحقیقات ژنتیک و اصلاح گیاهان مرتعی و جنگلی ایران 2013
رویا مقیمی فام احمد رزبان حقیقی

هیجده گونه از جنس .poa l در ایران می روید. تعدادی از گونه های این جنس از لحاظ اقتصادی بسیار ارزشمند هستند. استفاده از مطالعات سیتوژنتیک برای اصلاح و اهلی کردن گونه ها امری  ضروریست. بنابراین شناخت تنوع کاریوتیپی بین گونه ها می تواند اطلاعات ارزنده ای را در اختیار متخصصان قرار دهد. تنوع سیتوژنتیکی 4 گونه از جنس  poa l.با استفاده از سیستم تجزیه تصویری مورد ارزیابی قرار گرفت. برای مطالعه، پس از ری...

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