نتایج جستجو برای: kentucky bluegrass

تعداد نتایج: 3824  

Javad Rezapour Fard Mohsen Kafi Roohangiz Naderi

Kentucky bluegrass (Poa pratensis L.) is one of the most widely used turfgrasses for home lawns, golf courses, parks, and athletic fields in temperate climates. Oxidative stress caused by drought stress is a major limiting factor for grass cultivation in arid and semi-arid regions. The objective of this study was to investigate whether Prohexadione-Calcium (Pro-Ca) may play a role in promoting ...

Journal: :journal of ornamental plants 2015
javad rezapour fard mohsen kafi roohangiz naderi

kentucky bluegrass (poa pratensis l.) is one of the most widely used turfgrasses for home lawns, golf courses, parks, and athletic fields in temperate climates. oxidative stress caused by drought stress is a major limiting factor for grass cultivation in arid and semi-arid regions. the objective of this study was to investigate whether prohexadione-calcium (pro-ca) may play a role in promoting ...

Journal: :Journal of economic entomology 2001
D S Richmond D J Shetlar

Studies examined the possibility that mixtures of endophytic perennial ryegrass and Kentucky bluegrass provide resistance against larvae of the black cutworm, Agrotis ipsilon (Hufnagel). We hypothesized that resistance against A. ipsilon in such stands would stem from the influence of Kentucky bluegrass on A. ipsilon growth and behavior rather than the influence of endophytic perennial rvegrass...

2008
A. R EINERT

The fall armyworm Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), is a destructive pest of many species of both C3 and C4 (cooland warm-season) turfgrass. No-choice experiments were conducted to evaluate 13 turfgrass genotypes of various Poa spp. for susceptibility or resistance to the fall armyworm. All 13 genotypes, including 8 Texas bluegrass ( Poa arachnifera Torr.), 2 Kentuck...

بیژنی, شهرام , جوکار, ابوالفضل, دانشمند, بهاره , صالحی, حسن,

A limiting factor for prodution of turf grasses in temperate regions is their low level of cold tolerance. In order to elucidate the cold tolerance, physiological and biochemical responses of two turf species, this study was conducted at a controlled environment greenhouse of Faculty of Agriculture in Shiraz University, Shiraz, Iran by a factorial experiment in completely randomized design with...

Journal: :Canadian Journal of Plant Science 1975

2005
T. Hsiang J. Huang

INTRODUCTION: Summer patch is a destructive disease of Poa species including Kentucky bluegrass (P. pratensis) and annual bluegrass (P. annua). It has only been found in the northeast and the northern mid-west of the USA Ring-patch symptoms are most commonly observed in summer, under conditions of sustained high temperatures and heavy rainfall (Jackson, 1993). In southern Ontario and Quebec, th...

Journal: :Annals of the Missouri Botanical Garden 1965

Journal: :Annals of the Missouri Botanical Garden 1951

2017
Kuiju Niu Yi Shi Huiling Ma

Kentucky bluegrass (Poa pratensis L.) belong to Gramineae and is widely used in lawns, golf courses, landscapes, and sport fields as a prominent cool-season grass. Gene expression patterns during different stages of plant development can provide clues toward the understanding of its biological functions. The selection and validation of reference genes are the first steps in any real-time quanti...

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