黑麦草

黑麦草杂交F2代光合及水分利用效率研究

Study on Photosynthesis and Water Use Efficiency in F_2 Hybrids of Ryegrass

本文用恒温改变电压电超滤、恒温恒电压电超滤及生物（黑麦草）耗竭试验等动态方法对江苏省几种不同土壤K素供应状况进行了研究。

This study deals with the potassium supply of some different soils from Jiangsu Province .

Zn、Cd单一及复合污染对黑麦草的生长均存在不同程度的抑制效应。

The growth of ryegrass was inhibited by cadmium and zinc combined pollution .

利用石灰石调节土壤pH到5.0左右，土壤的酸碱度已适合黑麦草的生长。

When the pH of red soil was adjusted to about 5.0 by using calcareousness , the ryegrass grew well .

NaCl对草坪型高羊茅和多年生黑麦草发芽的影响

Effects of NaCl on Germination of Lawn Tall Fescue and Lolium Perenne

并分析了功能基因组学的研究及RNA干扰技术在黑麦草研究中可能的应用前景。

Furthermore , the prospects of RNA interference in Lolium genetic improvement and functional genomics are discussed .

一年生黑麦草的有机C含量比豆科牧草高，而全N含量比豆科牧草低。

The organic carbon content of annual ryegrass was obviously greater than those in the legumes , and the total nitrogen content was lower . 3 .

黑麦草与紫花苜蓿均可以作为修复PAHs污染土壤的高效植物。

Both Medicago sativa and Lolium multiflorum can effectively remediate PAHs polluted soils .

遗传连锁图的构建及基于基因组DNA分子标记的开发将有助于多花黑麦草的遗传及育种研究。

With construction of genetic linkage map and development of molecular marker based on DNA , it would facilitate genetic research and breeding of Italian ryegrass .

Cu～（2+）和Pb～（2+）胁迫对多花黑麦草生长及饲草品质的影响

Effect of Cu ~( 2 + ) and Pb ~( 2 + ) Stress on Growth and Forage Quality of Italian Ryegrass

研究了用蒙脱石、稻草和鸡粪作为改良剂对铜矿尾矿砂有效养分、有效态重金属含量、pH值以及对尾矿砂上黑麦草生长的影响。

A study was conducted on effect of montmorillonite , rice straw and fowl dung , used as amendment , on growth of ryegrass on copper mine tailing .

这些矿化N中约92%的N（苜蓿）和74%的N（黑麦草）是在翻压后的前6周释放的。

However , more than 92 % of the mineralized N in alfalfa and 74 % in rye grass were released in the first 6 weeks after they were incorporated into the soil .

低浓度的Cu~（2+）和Pb~（2+）处理下，多花黑麦草茎叶CP含量较对照有所增加，高于对照。

Compared with the control , forage quality of Italian ryegrass was not affected heavily under low Cu2 + and Pb2 + concentration .

发现黑麦草根部吸收积累PAHs的速率较快。

The main valuable conclusions are shown as follows : ( 1 ) Root uptake of PAHs from water was very fast .

总之，葡萄园行间生草覆盖禾本科多年生黑麦草有利于土壤有机质的提高，豆科植物白三叶草和紫花苜蓿有利于N的积累。

In short , among the treatments of 3 kinds of grass , the vineyard was benefited from covering with Alfalfa and White Clover cover in N accumulating and Perennial Ryegrass in organic matter increasing .

结果表明，N、P、K肥单施和不同配比混施均能提高特高多花黑麦草的鲜草产量，但混施的增产效果比单施更好。

Results showed that crossed or single fertilizing nitrogen , potassium and phosphorus all can increase the yield of the fresh grass , but the effect of mixed fertilizer was better than that of single fertilizer .

与黑麦草，苇状羊茅和细茎冰草相比较，无芒雀麦显著降低土壤pH值。与无芒雀麦和细茎冰草相比，黑麦草，苇状羊茅显著增加土壤磷的有效性。

Comparing with ryegrass , tall fescue and slender wheatgrass , smooth bromegrass significantly lowered soil pH. And comparing with smooth bromegrass and slender wheatgrass , ryegrass and tall fescue significantly increased soil P availability .

在Cd、Pb污染土壤中，通过生物盆栽试验，研究了2种不同填埋年龄的垃圾渗滤液溶解性有机物（DOM）对黑麦草生长的影响及其对重金属Cd、Pb吸收的影响。

A pot experiment was conducted to study the effects of dissolved organic matter ( DOM ) in landfill leachate on ryegrass growth and its uptake of soil Cd and Pb .

而施入胡敏酸后，Cd毒性逐渐减弱，黑麦草中的叶绿素含量及黑麦草生物量逐渐增加。

On the contrary , Cd toxicity was reduced as a result of addition of humic acid , and the concentration of chlorophyll in ryegrass shoots and the biomass of ryegrass increased consequently .

林草模式的根际与非根际pH值都要比自然草模式的大，说明黑麦草较自然草能提高林地土壤的pH值。

Soil pH were higher on the rhizosphere soil and non-rhizosphere soil in forest-herb model than that in natural grass model . It showed that Lolium multiflorum can improve soil pH in contrast with natural grass .

结果表明：单独添加乳杆菌、乳杆菌与乳球菌复合添加对黑麦草pH值无明显影响（P>0.05），但发酵质量较对照组有所改善。

The results showed that supplementation of single lactobacillus and lactobacillus plus lactococcus did not influence pH ( P > 0.05 ) of silage , but fermentation quality were improved slightly compared with that of control group .

用蒙脱石、稻草、鸡粪作为改良剂，研究不同改良剂对铜矿尾矿砂与菜园土混合土壤pH、有效态重金属含量、脲酶和磷酸酶活性以及混合土壤上种植的黑麦草生长的影响。

Effects of different soil amendments ( montmorillonite , rice straw and chicken manure ) on the characters of mixed soil ( copper mine tailing and garden soil ) and on the growth of ryegrass on the soil were studied .

NFT培多花黑麦草净化罗非鱼养殖循环废水

Treatment of Recirculated Wastewater from Tilapia Culture Tank by Using Lolium multiflorum Lam of NFT Culture

等于或者大于200kg/hm2的施氮量将超过小麦和多花黑麦草植株吸氮量，导致土壤不同土层硝态氮的大量累积，构成N淋溶的潜在危险。

N supply equal to or greater than 200kg / hm2 to exceed the application rate of wheat and annual ryegrass plant N uptake , It would resulted nitrate accumulated a lot in soil of different layers to form N leaching potential danger .

采用水培体系检验了限制分配模型预测黑麦草同时吸收苊、芴、菲和芘4种多环芳烃（PAHs）的准确性。

The performance of a partition-limited model on prediction of four PAHs ( acenaphthene , fluorene , phenanthrene and pyrene ) uptake by ryegrass simultaneously was evaluated using a hydroponic system .

研究了低分子量有机酸草酸、柠檬酸、乙酸及高分子量有机酸胡敏酸对黑麦草（Loliumloinn）生长过程中Cd毒性的影响。

Effects of low molecular weight organic acids ( oxalic acid , citric acid , and acetic acid ) and higher molecular weight organic acid ( humic acid ) on the toxicity of Cd during ryegrass growth were studied .

鼠李糖脂与EDDS强化黑麦草修复重金属复合污染土壤

Remediation of the Combined Polluted Soil by Growing Ryegrass Enhanced by EDDS / rhamnolipid

利用60CO-γ射线辐射处理多年生黑麦草爱神特（Accent）的干种子，观测不同辐射剂量的60CO-γ射线对种子发芽的影响，并对植株过氧化物同工酶酶谱进行分析。

The effect of different dosage of ~ ( 60 ) C_O - γ rays irradiation on perennial ryegrass Accent seeds germination was studied , and the POD isozymes of plants were analysed .

同浓度的Pyrene污染，黑麦草和萝卜根际以及非根际对照土壤呼吸强度、微生物生物量碳都较没有污染时有所增强，而且在植物根际增加更大。

But at the same concentration Pyrene pollution level , the soil respiration rate and microbial biomass carbon of no-planted soil and rhizosphere of ryegrass and radish were increased .

根系总感染率与土壤碱性磷酸酶间正相关性显著（p0.05）。类似地，在盆栽试验中，接种菌剂也增加了黑麦草株高、分蘖数和干重。

Besides , total colonization of roots of ryegrass positively correlated with soil alkaline phosphatase activities ( p 0.05 ) . Similarly , plant weights , tiller numbers and dried biomass of ryegrass with AMF inoculation in pot experiments also increased .