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苇状羊茅

苇状羊茅的相关文献在1989年到2022年内共计152篇,主要集中在农作物、畜牧、动物医学、狩猎、蚕、蜂、园艺 等领域,其中期刊论文139篇、会议论文3篇、专利文献47043篇;相关期刊62种,包括湖北畜牧兽医、青海草业、草业与畜牧等; 相关会议2种,包括中国草学会2013学术年会、中国奶业协会第五届会员代表大会等;苇状羊茅的相关文献由265位作者贡献,包括罗天琼、莫本田、唐成斌等。

苇状羊茅—发文量

期刊论文>

论文:139 占比:0.29%

会议论文>

论文:3 占比:0.01%

专利文献>

论文:47043 占比:99.70%

总计:47185篇

苇状羊茅—发文趋势图

苇状羊茅

-研究学者

  • 罗天琼
  • 莫本田
  • 唐成斌
  • 邵涛
  • 余成群
  • 周玉锋
  • 原现军
  • 郭孝
  • 陈伟
  • 文克俭
  • 期刊论文
  • 会议论文
  • 专利文献

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    • 王子玥; 刘凌云; 刘曼; 常智慧
    • 摘要: 苇状羊茅(Festuca arundinacea)是重要的冷季型草坪草和牧草,被广泛用于牧草生产、草坪绿化、生态修复等方面。本研究收集了36份不同来源苇状羊茅种质材料,利用表达序列标签-简单序列重复(EST-SSR)引物对材料进行遗传多样性分析,并结合种子表型特征,对它们的种质资源遗传多样性进行了综合评价与分析。结果表明:14对EST-SSR引物共扩增出140条带,多态条带总数为133条,多态带百分率95%;聚类结果具有一定的地域性趋势,但是不明显。当遗传距离在0.54时其聚类结果与种子特征的K均值聚类结果相似;欧洲群体的种子厚度和千粒重的变异系数最大,分别为25.02%和23.35%,其千粒重显著低于亚洲、北美洲群体(P<0.05)。多角度遗传分析表明36份材料具有高度异质性。本研究对苇状羊茅遗传资源的科学评价、核心种质创新和新品种选育具有重要意义。
    • 辛慧慧; 张云玲; 孙强; 依甫拉音·玉苏甫; 杜来
    • 摘要: 为探讨不同贮藏年限对羊茅属两种牧草种子萌发活力及幼苗生长的影响,选择室温贮藏0~6年的紫羊茅和苇状羊茅种子,通过测定千粒重、水分含量、发芽率、发芽势、种子生活力、幼苗长、胚根长等指标,揭示贮藏年限对种子劣变的影响规律。结果表明:紫羊茅和苇状羊茅种子在3年的贮藏期内种子能保持较高的发芽率、发芽势和种子生活力,4~6年的贮藏期内生活力、发芽率和发芽势均有明显的降低趋势。6年的贮藏期内,种子水分含量变化不大,均在8.5左右,千粒重、苗长和胚根长随年限的延长呈减低趋势。综合试验结果,贮藏年限的延长减缓紫羊茅和苇状羊茅种子的发芽进程,降低幼苗质量。贮藏3年内紫羊茅和苇状羊茅种子的种用价值较高,贮藏4~6年种用价值降低。
    • 张帆; 李小梅; 宋鑫; 张东; 关皓; 张新全; 闫艳红
    • 摘要: 在川中丘陵地区遂宁市河沙镇和天保镇,对5个苇状羊茅(Festuca arundinace Schreb.)品种进行牧草生产性能的比较研究,旨在筛选出适宜在该区种植的品种.结果表明,‘科瑞’在两个试点的生长速度和干草总产量均最高,分别为0.564 cm·d-1和8 842 kg· hm-2,显著高于其它品种(P<0.05),其次为‘金刚’和‘马丁’.粗蛋白和可溶性碳水化合物产量均以‘科瑞’最高,分别为1 345 kg· hm-2和887 kg· hm-2,均显著高于其它品种(P<0.05),其次为‘美食家’和‘金刚’;中性洗涤纤维和酸性洗涤纤维产量均以‘美食家’和‘科瑞’最低,二者无显著性差异.综上所述,‘科瑞’、‘美食家’和‘金刚’的干草产量较高,营养品质较好,在川中丘陵区具有较好的推广价值.%In order to screen out suitable tall festuca varieties for planting in hilly areas of central Sichuan Province,the field experiments were conducted to compare the production performance of 5 tall festuca cultivars in Hesha Town and Tianbao Town of Suining City.The results showed that the growth rate and hay yield of ‘Kerui’ were the highest (P<0.05) in the two test sites,which were 0.564 cm · d-1 and 8 842 kg · hm-2,respectively,followed by ‘Martin’ and ‘Jingang’.In addition,the production of crude protein and water soluble carbohydrates were the highest in ‘Kerui’ with 1 345 kg · hm-2 and 887 kg · hm-2,respectively,followed by ‘Meishijia’ and ‘Jingang’.Whereas,the production of neutral detergent fiber and acid detergent fiber of ‘Meishijia’ and ‘Kerui’ were the lowest (P<0.05),and there were no significant difference between these two cultivars.In summary,‘Kerui’,‘Meishijia’ and ‘Jingang’ had the higher hay yield and nutritional quality,which could be popularized and have better application value in this area.
    • 赵雅洁; 李周; 宋海燕; 张静; 梁千慧; 李素慧; 刘锦春
    • 摘要: 为了探究不同种植方式下草本植物对喀斯特“土层浅薄”和“岩溶干旱”生境的养分调节响应,选择苇状羊茅(Festuca arundinacea)和黑麦草(Lolium perenne)为研究材料,在盆栽水分控制条件下设置了2种土壤厚度[对照土壤厚度(TCK)和浅土(TS)]、2种水分处理[对照水分(WcK)和干旱(WD)]和2种种植方式(单种和混种),研究土壤厚度和水分减少对混种下两种草本植物元素含量、积累和分配的影响.结果表明:(1)与对照组(CK:TCKWCK)相比,在浅土组(S:TSWCK)、干旱组(D:TCKWD)和浅土+干旱组(SD:TSWD),苇状羊茅和黑麦草的地上和根系C和N含量在单种和混种下(浅土除外)显著增加,P含量和各部分元素积累量显著降低;而苇状羊茅的根系各元素分配比在3种低资源水平下(S、D、SD)由单种时增加转为混种时降低,而黑麦草的根系营养元素分配比在浅土中增加,但在干旱处理下减少.(2)在对照资源水平下(CK),混种后苇状羊茅的地上部分C含量、根系P含量、地上、地下和总的元素积累量和根系元素分配比显著高于单种,而在3种低资源水平下达到各参数在单种和混种下无显著差异.(3)在各资源水平下,混种后黑麦草各部分C、N、P的含量、积累量和根系元素分配比大体上与单种无显著差异.结果表明,在低资源水平下,苇状羊茅和黑麦草通过增加C和N元素含量表现出较强的资源获取和防御能力.在混种条件下,苇状羊茅能够通过调节自身元素的积累和分配来提高竞争力,而黑麦草保持相对恒定的策略来响应竞争.
    • 潘声旺; 雷志华; 何茂萍; 吴云霄
    • 摘要: 【目的】分析苇状羊茅(Festuca arundinacea)根系分泌物对土壤有机氯农药(organochlorine pesticides,OCPs)残留量、各残留组分的降解特征及根际微生物群落特征的影响效应,探讨根系分泌物在植物修复OCPs过程中的作用。【方法】借助模拟修复实验,对比研究苇状羊茅根系分泌物对土壤中OCPs残留量及其主要组分(GC-ECD、GC/MS-MS)的降解效应、所在土壤中微生物生物量碳(熏蒸提取-容量分析法)及磷脂脂肪酸组分(PLFA)的影响差异。【结果】根系分泌物能促进土壤OCPs去除:添加根系分泌物后,OCPs去除率(77.57%)显著高于对照组(33.49%);相同处理条件(污染水平、添加剂量)下,根系分泌物对HCHs、毒杀芬、HCB、艾氏剂、γ-氯丹的强化去除率总高于对OCPs总量的强化去除率(p<0.05);对DDTs、灭蚁灵、硫丹玉、狄氏剂、环氧七氯的强化去除率则普遍低于对OCPs总量的强化去除率。相同污染水平下,添加根系分泌物土壤中的微生物生物量碳也显著高于对照组;实验期间,细菌的磷脂脂肪酸含量占主导地位、真菌次之,其变化趋势与土壤中OCPs残留的降解特征相一致。【结论】OCPs降解过程中,根系分泌物的存在改变了根际土壤中细菌、真菌的种群数量及其群落结构,进而改善了对OCPs的降解效率。%Objective]The objective of this study was to clarify the effects of root exudates on degradation of organochlorine pesticides(OCPs)in soils and to evaluate microbial ecological characteristics in OCPs-contaminated soils.[Method]Pot experiments were carried out to investigate the effects of root exudates of tall fescue(Festuca arundinacea)on degradation of total amount of OCPs and its main components in soils by methods of GC-ECD and GC/MS-MS. To determine influence of root exudates on the rhizosphere microbial growth and their community structure,soil microbial biomass carbon(SMBC)and their phos-pholipid fatty acids(PLFA)in soils were also analyzed by TOC-500 analyzer and GC-MS,respectively.[Result]The root exudates of tall fescue significantly enhanced the removal of OCPs. The removal rate was significantly higher in the treatment(77.57%)than in the control(33.49%). Under the same treatment conditions,the enhanced removal rates of hexachlorocyclohexane(HCHs),toxaphene,hexachlorobenzene (HCB),aldrin and γ-chlordane were much higher than one of the total amount of OCPs while the extent of enhanced dissipation of dichloro-diphenyl-trichloroethanes(DDTs),mirex,endosulfanⅠ, dieldrin and heptachlor epoxide were always lower than that in corresponding soils. Soil microbial biomass carbon increased with increasing pyrene concentration and there were close relationship between OCPs degradation and soil microbes during the whole experiment.Microbial community was dominated by bacteria, followed by fungi. They had the similar variation trend along with OCPs degradation,indicating that the OCPs in soils were degraded mainly by bacteria and fungi. Therefore, root exudates may influence the OCPs degradation through altering bacterial and fungi population.[Conclusion]Root exudates of tall fescue might change soil microbial community and structure during the process of phytoremediation, and further modify the degradation of OCPs.
    • 潘声旺; 赵雪峰; 董仕萍
    • 摘要: 借助盆栽模拟实验,对比研究了苇状羊茅根系分泌物对土壤中OCPs总量及其主要组分的降解效应、土壤微生物群落动态(生物量碳及磷脂脂肪酸)的影响效应.结果显示:根系分泌物促进了土壤中OCPs的去除,添加根系分泌物后,土壤中OCPs的去除率(77.57%)显著高于对照组(33.49%);相同处理条件(污染水平、添加剂量)下,对HCHs、毒杀芬、HCB、艾氏剂、γ-氯丹的强化去除率普遍高于对OCPs总量的强化去除率(p<0.05);对DDTs、灭蚁灵、硫丹Ⅰ、狄氏剂、环氧七氯的强化去除率普遍低于对OCPs总量的强化去除率.相同污染水平下,添加根系分泌物的污染土壤中微生物生物量碳也显著高于对照组;实验期间,细菌的磷脂脂肪酸占主导地位,其次为真菌,它们在土壤微生物群落中的动态变化与OCPs降解趋势相一致.可见,在OCPs降解过程中,根系分泌物的存在改变了根际土壤中细菌、真菌的种群数量及其群落结构,进而改善了对OCPs的降解效率.%The study is to does a comparative study of the effects of the root exudates of tall fescue (Festuca arundinacea ) on degradation of the total amount of OCPs ,its main components in soil and also its influence on the community dynamics of soil microbe (microbial biomass carbon and phospholipid fatty acids ) by pot experiments .The results show that the root exudates of tall fescue evidently enhance the removal of OCPs significantly .When root exudates are added ,the OCPs removal rate in soil achieves approximately 77.57%which is higher than that of the control treatment which is only 33.49% .Under the same treatment condi-tions (contamination level ,same additive volume ) ,the enhanced removal rates of hexachlorocyclohexane (HCHs ) ,toxaphene ,hexachlorobenzene (HCB ) ,aldrin and γ-chlordane are much higher than the rate of the total amount of OCPs (p<0.05 )while the enhanced rate of dichloro-diphenyl-trichloroethanes (DDTs ) , mirex ,endosulfanⅠ ,dieldrin and heptachlor epoxide are always lower than that of the total amount of OCPs .Under the same contamination level ,after the addition of root exudates ,the microbial biomass carbon in soil is higher than that of the control treatment .During the experiment ,microbial community is dominated by phospholipid fatty acids ,and followed by fungi .Their dynamic change in soil microbial community corre-sponds to the trend of the OCPs degradation ,which indicates that the existence of the root exudates changes the population quantity and the community structure of the bacteria and fungi ,in rhizosphere soil and then enhances the degradation efficiency of OCPs in soil .
    • 肖慎华; 原现军; 董志浩; 李君风; 王奇; 赵杰; 邵涛
    • 摘要: [目的]本文旨在评价添加乳酸菌和糖蜜对箭筈豌豆和苇状羊茅混合青贮发酵品质的改善效果。[方法]将处于抽穗初期的苇状羊茅和处于结荚期的箭筈豌豆以7∶3(鲜质量比)混合青贮,并单独或组合添加乳酸菌制剂(10~6CFU·g^(-1))和糖蜜(4%),分别在青贮后的第7、24、45和60天开窖取样,分析混合青贮饲料发酵品质的动态变化。[结果]与对照组相比,单独添加乳酸菌制剂对混合青贮发酵品质的改善效果不明显,而糖蜜或糖蜜+乳酸菌制剂显著提高了乳酸含量(P<0.05),降低了p H值和氨态氮含量,其中糖蜜+乳酸菌制剂组乳酸含量在青贮第7天已显著高于其他各组(P<0.05),并在整个青贮过程中保持最高水平。青贮过程中,各处理组仅检测到微量丙酸和丁酸,并始终显著低于对照组(P<0.05)。[结论]添加糖蜜+乳酸菌提高了青贮饲料的发酵品质,可确保青贮饲料长期保存。
    • 张文; 王普昶; 罗天琼; 陈功; 杨春燕
    • 摘要: 氮素是植物生长的主要营养元素,在牧草生产和品质形成中有着重要的作用。对不同施氮水平下苇状羊茅牧草氮含量及冠层反射光谱特征进行分析。结果表明,分蘖期、拔节期可见光区反射率随施氮水平增加而逐渐降低,施氮量450 kg/h㎡时,绿峰反射率达10%,拔节期牧草氮含量与植被指数呈显著正相关性;在N2(300 kg/h㎡)条件下,相关系数最高,达0.793(P<0.01),经多元回归分析,植被指数组合植被指数组合DVI(561,520)、NDVI (531,486))监测苇状羊茅氮含量(R2=0.813)。
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