نتایج جستجو برای: c2 lolium perenne

تعداد نتایج: 23256  

Journal: :به زراعی کشاورزی 0
شهرام صداقت حور دانشیار گروه باغبانی، دانشکده کشاورزی، واحد رشت، دانشگاه آزاد اسلامی، رشت، ایران لیلا خیرآبادی کارشناسی ارشد گیاهان زینتی، گروه باغبانی، دانشکده کشاورزی، واحد رشت، دانشگاه آزاد اسلامی، رشت، ایران

according to high importance of sodding for fast creating green beds in all seasons, this experiment carried out with aimidentifying suitable substrate and covering plant including two lawn genus and dichondra with blend seed. the trial carried out as factorial experiment with three factors based on complete block design in three replications. experimental factors consisted of planting networks...

2012
Kerstin Diekmann Trevor R. Hodkinson Susanne Barth

†Background and Aims Lolium perenne (perennial ryegrass) is the most important forage grass species of temperate regions. We have previously released the chloroplast genome sequence of L. perenne ‘Cashel’. Here nine chloroplast microsatellite markers are published, which were designed based on knowledge about genetically variable regions within the L. perenne chloroplast genome. These markers w...

2010
R. N. BROWN R. E. BARKER S. E. WARNKE L. D. COOPER L. A. BRILMAN M. A. ROUF MIAN G. JUNG

Lolium perenne L. (perennial ryegrass), and Lolium multiflorum Lam. (annual or Italian ryegrass), differ in several traits related to seed yield. Generally, L. multiflorum spikes are larger than L. perenne spikes, and have more spikelets, more florets per spikelet, larger seeds and awns. The greater number of spikelets and florets and larger seeds are associated with higher seed yield in L. mul...

2017
Xuanli Guan Nana Yuyama Alan Stewart Chenglong Ding Nengxiang Xu Takako Kiyoshi Hongwei Cai

To assess the genetic diversity and population structure of Lolium species, we used 32 nuclear simple sequence repeat (SSR) markers and 7 cytoplasmic gene markers to analyze a total of 357 individuals from 162 accessions of 9 Lolium species. This survey revealed a high level of polymorphism, with an average number of alleles per locus of 23.59 and 5.29 and an average PIC-value of 0.83 and 0.54 ...

Journal: :Annals of botany 2005
Joelle Fustec Joelle Guilleux Josiane Le Corff Jean-Paul Maitre

BACKGROUND AND AIMS To improve the management of grass communities, early plant development was compared in three species with contrasting growth forms, a caespitose (Lolium perenne), a rhizomatous (Poa pratensis) and a caespitose-stoloniferous species (Agrostis stolonifera). METHODS Isolated seedlings were grown in a glasshouse without trophic constraints for 37 d (761 degrees Cd). The appea...

Journal: :DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes 2009
Kerstin Diekmann Trevor R. Hodkinson Kenneth H. Wolfe Rob van den Bekerom Philip J. Dix Susanne Barth

Lolium perenne L. (perennial ryegrass) is globally one of the most important forage and grassland crops. We sequenced the chloroplast (cp) genome of Lolium perenne cultivar Cashel. The L. perenne cp genome is 135 282 bp with a typical quadripartite structure. It contains genes for 76 unique proteins, 30 tRNAs and four rRNAs. As in other grasses, the genes accD, ycf1 and ycf2 are absent. The gen...

2000
G. J. GOOLD

The pasture and animal productivity of established high producing pastures in the Waikato has been compared with newly sown pastures based on recently released herbage cultivars. The established pastures were a mixture of Nui perennial ryegrass, Paspalum dilatatum and Htiia white clover. The new cultivars tested were Ellett perennial ryegrass, Wana cocksfoot and Roa tall fescue, each sown with ...

2016
H. G. JUDSON

The effect of feeding two different supplements (perennial ryegrass or plantain baleage) on urinary nitrogen (N) excretion from dairy heifers (8 months old, 180 kg liveweight (LW)) grazing kale was examined in two successive winters. Heifers (n=90 and 80 in Years 1 and 2, respectively) were offered 2.5 kg DM kale/100 kg LW/day and approximately 3 kg DM/heifer/day of either perennial ryegrass or...

2017
Yan Y. Lv Xue Q. He Xiao W. Hu Yan R. Wang

The existence of a semipermeable layer in grass seeds has been extensively reported, yet knowledge of its influence on tests for seed viability and vigor that depend upon measurement of electrical conductivity (EC) is limited. This study determined the presence and location of the semipermeable layer, and its relation to seed viability and vigor assessment, in seeds of four important grass spec...

2007
A. Verdenal

Perennial ryegrass is one of the most commonly cultivated forage species in Europe, where grazing and mowing (cutting) are used to manage this resource. Cutting can be characterized by its intensity (height) and its frequency. Combinations of these two factors affect mono-species grasslands productivity and could also modify the genotypic composition of heterogeneous populations. Indeed, the hi...

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