禾草
- dogstail;grass
![禾草](../cache/1183195.jpg)
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[grass] 禾本科植物的通称。单子叶植物的叶基部鞘组成,紧包着茎,犹如一个裂开的管子,上部是一片狭长而有平行脉的叶片
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羊草(Leymuschinensis)是多年生根茎型禾草,具有耐干旱、耐贫瘠、耐盐碱等生物生态学特性。
Leymus chinensis is perennial , rhizome grass that has capacity of tolerance to drought , leanness , and salt - alkali .
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N添加和N、P共同添加后,禾草通过光合速率的上升增加了生物量的积累,进而通过竞争排除使杂类草的物种多样性减少。
The increase in photosynthetic rates of Grass caused the accumulation in biomass , and then triggered the decline of the species richness of Forbs functional groups via competition exclusion when N added and N and P added together . 5 .
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从美国选育的C4纤维禾草可以看出,多年生的C4纤维禾草具有:①光合效率高,而水耗低;
C_4 plants bred in USA have following properties : ( 1 ) Their photosynthetic efficiency is high but their water consumption is low ;
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F/C<1,说明其生产效率较典型草原低,而高于同地区的芦苇种群及陕北黄土高原的禾草群落;
F / C < 1 implied that its production efficiency was lower than that in typical grassland , but higher than that of Phragmites communis population in the same area and that of grass communty on Yellow Plateau in the north of Shannxi ;
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辅助观察禾草类Kranz结构。
The Kranz structure was observed only for Gramineae plants .
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通过磁珠富集文库法成功开发了12对醉马草SSR引物,且证明其中90%的引物可以成功应用于芨芨草属其它禾草的遗传多样性研究。
Twelve microsatellite markers were developed for A. inebrians using the magic-beads , we documented that 90 % of that 12 primers could be used in study of genetics diversity of other species of Achnatherum . 6 .
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对小麦的药害试验表明,口恶唑禾草灵用量在100ml/667m2以下,药后15d及30d,对小麦生长基本无影响。
The safe experiment showed that the growth of wheat was effected in indifferent degree when the dosages were lower at 100ml / 667m2 after spraying 15 and 30 days .
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从过渡带6种禾草97份褐斑病病株标本中,分离得到了73个丝核菌分离物,用DAPI染色法进行了菌丝核相观察。
73 isolates of Rhizoctonia were obtained from 97 specimen , 6 species of infected turf-grasses , The nuclei were stained to determine the number in vegetative hyphal cells by DAPI staining nuclear technique .
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结果表明,增产菌对高山禾草型草地牧草具有明显的增产效果,最佳施用量为150g/hm2,施用期为禾草拔节期,施用次数为1~2次,增产幅度为16.75%~24.9%。
The results showed that it had significantly increasing yield effect on alpine grasses , the optimum amount applied was 150 g / hm 2 , and applied in jointing period , the applied times were one to two , the yield increased by 16.75 % to 24 % .
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中度放牧时为羊草+冷蒿+隐子草+丛生禾草群落;
Frigida + Cleistogenes squarrosa + clustered grasses when Middle-grazing and A.
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内生真菌-禾草共生体内生物碱的种类及其生理生态作用
Types of alkaloids in fungal endophyte-grass symbiont and their ecophysiological role
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环境胁迫对禾草&内生真菌共生体的影响
Influence on Forages Grass and Fungal Endophyte Symbiotic in Environment Stress
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美洲广泛种植的旧大陆禾草的一个属。
A genus of Old World grasses widely cultivated in America .
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本文研究了用液相色谱法测定乳氟禾草灵的方法。
The method to determine by liquid lambda-cyhalothrin chromatograph was studied .
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几种热带禾草烧草效应的初步观察
The Preliminary Observation on the Effect of Burning to Several Grasses
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盐胁迫对7种根茎类禾草叶片过氧化物酶活性的影响
Peroxidase Isozyme Activity of 7 Rhizomatose Grass Leaves Under Salt Stress
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新疆阿勒泰草地野生禾草资源及饲用评价
Evaluation of wild grass species with forage potential in Altay prefecture
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根茎禾草营养累积动态规律研究
Study on the Dynamic law of Nutrient Accumulation of Rhizome Grass
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具根茎的多年生禾草和一年生恶性杂草交替占优势的草坪杂草阶段;
Alternative stage between perennial herb with rhizome and annual malignant weed ;
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刈割高度对禾草丛分蘖结构的影响
The Influence of Cutting Heights on Tiller Composition in Defoliated Sward Population
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草坪禾草丝核菌的核相研究
Nucleus number of Rhizoctonia mycelium cells from turf-grasses in China
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北美的一种有禾草状叶的水生草本植物,具黄色星状花。
Grassy-leaved North American aquatic plant with yellow star-shaped blossoms .
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多年生禾草混播草地初级生产力及群落动态研究
Primary productivity and community dynamics of mixed perennial grass pasture
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指出剪草是禾草草坪管理的核心内容。
Turf mowing is a core part of turfgrass management .
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一根轻微的禾草也可以告知你大风的趋势。
A straw may show which way the wind blows .
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根茎类禾草耐盐性评价及生理基础的研究
Assessment of Salt Tolerance and Physiology Basis of Rhizomatose Grass
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苏州市区禾草草坪夏季杂草的调查
Preliminary Investigation of Weeds in Gramineous Grass Lawn in Suzhou in Summer
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根茎类禾草成株根茎移栽苗的成活率大于播种苗的成活率。
The survival rate of transplanting was higher than sowing .
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优良禾草苇状羊茅改良退化人工草地试验研究
A study on improving degraded sown grassland with tall fescue
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人工调控对禾草混播草地群落特征的影响
Artificial Control Impact on Community Character of Gramineous Mixed Grassland