该词条未找到_海词词典

您要查找的是不是：

Perennial ryegrass throws a lot of autumn growth. 多年生黑麦草在秋季长势很好。
Adaptation research on perennial ryegrass varieties in Beijing. 多年生黑麦草在北京引种适应性研究
Studies on the Tissue Culture and PlantRegeneration of Perennial Ryegrass. 多年生黑麦草组培再生体系的研究。
The somaclonal variation of regeneration plant derived from mature embryo of perennial ryegrass (Lolium perenne L. were analyzed with RAPD makers. 摘要以多年生黑麦草成熟胚诱导获得的再生植株为材料，利用RAPD标记方法对其体细胞变异进行了研究。
The chromosome karyotypes and the chromosome variation of regenerated plants of perennial ryegrass(Lolium perenne L. 对多年生黑麦草核型及组织培养再生植株细胞染色体变异进行了观察研究。
Ammonia volatilization was estimated in the field from perennial ryegrass turf after application of five kinds of N-fertilizer. 在多年生黑麦草草坪施用速效与缓效氮肥后，对氨的挥发损失进行田间定位测定。
A research project of the authors on the effect of endophyte infection on drought resistance of perennial ryegrass is briefly introduced. 文中提及作者近期开展的关于内生真菌对黑麦草抗旱性影响的研究课题及其初步进展。
Although the yields of Perennial ryegrass (Lolium perenne) cuitivars were high, they could not survive the summer in southern Jiangsu. 多年生黑麦草虽然产量也较高，但在苏南不能安全越夏。
Four species, including kentucky bluegrass, perennial ryegrass, tall rescue and zoysia grass were selected in the experiment. 试验采用二级处理城市混合污水；选用草地早熟禾、多年生黑麦草、高羊茅和中华结缕草为供试草种；
Chen Jiqin,Han Liebao,Yang Chunqi,Li Xue.Effect of different explants on callus induction of perennial ryegrass[J].Grassland and Tur f,2005(4):42-47. [7]陈季琴;韩烈保;杨纯奇;李雪.;不同外植体对多年生黑麦草愈伤组织诱导的影响[J]
The elementary conclusion is: Poa pratensis L is better than Festuca arundinacea Schreb in the cold tolerance.The Perennial Ryegrass is weak for resisting the cold damage. 结合田间实验，对所测试品种的抗寒能力做出初步结论是：总体上早熟禾的抗寒性要强于高羊茅，多年生黑麦草品种抗寒性最弱。
The research progress in tissue culture and genetic transformation of perennial ryegrass were reviewed.The biosafety of perennial ryegrass was discussed for the first time. 为此，概述了多年生黑麦草组织培养和遗传转化方面的研究进展，首次探讨了转基因多年生黑麦草的生物安全性。
The 2 years comparative research of the net gain tillers, leaves regrowth and cumulative yield for perennial ryegrass under different cutting intensities and cutting times. 摘要对不同刈割强度和时间下，混播草地中多年生黑麦草净分蘖数和叶片生长季节动态及其年积累和年产量进行了2年的比较研究。
Perennial ryegrass is a pasture and turfgrass species holding strong adaptability.The applications of transgenic technology had already been an important approach on its breeding. 摘要多年生黑麦草是适应性很强的牧草和草坪草种，转基因技术的应用已成为其育种研究的重要途径。
The growth character of crofton weed in mixture transplanting with different green bristlegrass perennial ryegrass and Trifolium repens under different management conditions was studied. 以狗尾草、黑麦草、白三叶为材料研究了混栽其中的紫茎泽兰在不同肥力条件下的生长状况。
The effects of White clover (Trifolium repens),Perennial ryegrass (Lolium perenne) and Alfalfa (Medicago sativa) on vineyard Microclimate and wine quality in Cabernet Sauvignon vineyard were studied. 以酿酒葡萄赤霞珠(cabernetSauvignon)为材料,研究了行间生草覆盖对葡萄园微气候和葡萄酒品质的影响。
On the condition of natural raining, the effects of White Clover(Trifolium), Perennial Ryegrass (Lolium perenne) and alfalfa (Medicago sativa) on soil water content in Cabernet Sauvignon vineyard were studied. 在生产园行间播种多年生黑麦草、紫花苜蓿、白三叶草,研究其对土壤理化性状和土壤含水量的影响。
Abstract : The growth character of crofton weed in mixture transplanting with different green bristlegrass perennial ryegrass and Trifolium repens under different management conditions was studied. 摘要：以狗尾草、黑麦草、白三叶为材料研究了混栽其中的紫茎泽兰在不同肥力条件下的生长状况。
To solve weed problems for seedling alfalfa in South Jiangsu Hilly Area,companion crops were tried with five varies of four species of crops(perennial ryegrass,annual ryegrass,rye,and triticale). 为解决苏南丘陵区苜蓿苗期的杂草问题,从保护播种入手,在多年生黑麦草、一年生黑麦草、黑麦、小黑麦四种作物共五个品种中寻找适宜的伴生作物。
Abstract: Endophytic fungi Neotyphodium coenophialum and N. lolii have symbiotic relation to tall fescue (Festuca arundinacea) and perennial ryegrass (Lolium perenne) respectively. 内生真菌Neotyphodium coenophialum和N.;lolii与高羊茅（Festuca arundinacea）和多年生黑麦草（Lolium perenne）构成共生关系。