Similar words: ryegrass, rye grass, perennial, perennially, quadrennial, biennial, triennial, biennially. Meaning: n. European perennial grass widely cultivated for pasture and hay and as a lawn grass.
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1. Perennial ryegrass throws a lot of autumn growth.
2. Four species, including kentucky bluegrass , perennial ryegrass, tall rescue and zoysia grass were selected in the experiment.
3. The turnover of lamina tissue of perennial ryegrass was systematically studied through cutting experiment by the application of the theory and methods of the tissue turnover.
4. A method Agrobacterium tumefaciens transformation for perennial ryegrass was developed using the calli derived from mature embryos, and the transgenic plants were successfully obtained.
5. Drought resistance of Lolium Perenne (Perennial Ryegrass)which treated by plant growth retardants and mowing was studied.
6. Ammonia volatilization was estimated in the field from perennial ryegrass turf after application of five kinds of N fertilizer.
7. 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.
8. Four kinds of soil amendments can improve perennial ryegrass growth in certain degree.
9. As a turf type seed base for perennial ryegrass production, the irrigation area of Ningxia Plain was available, because of its rich sunshine and lower rainfall during seed formation.
10. Perennial ryegrass was used in overseeding trial on Manilagrass in city garden in the southeastern Zhejiang.
11. Although the yields of Perennial ryegrass ( Lolium perenne) cultivars were high, they could not survive the summer in southern Jiangsu.
12. A mixed artificial grassland of perennial ryegrass and white clover in the degradation succession process was analyzed on the basis of aboveground biomass, density, coverage and species diversity.
13. A research project of the authors on the effect of endophyte infection on drought resistance of perennial ryegrass is briefly introduced.
14. On laboratory, five Bacillus have been developed into vaccine liquid products. Soaked with vaccine liquid , the seeds of perennial ryegrass have been planted in sterilized soil.
15. The somaclonal variation of regeneration plant derived from mature embryo of perennial ryegrass (Lolium perenne L. were analyzed with RAPD makers.
16. The effects of fertilization and sowing rate on the seed productivity of turf type perennial ryegrass (Lolium perenne) were studied using the split plot experiment design.
17. The results are as follows:1. Establishment of plant regeneration system of perennial ryegrass.
18. Seeing from the whole evaluation period, the average green degree of kentucky bluegrass is higher than that of tall fescue and perennial ryegrass.
19. Growth regulators and their concentration supplemented had great effect on callus induction and regeneration of perennial ryegrass.
20. The chromosome karyotypes and the chromosome variation of regenerated plants of perennial ryegrass(Lolium perenne L.
21. There was no significant relationship between the height and the tiller number of white clover and perennial ryegrass with the catalase activity and urease activity.
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22. The chromosome karyotypes and the chromosome variation of regenerated plants of perennial ryegrass(Lolium perenne L. )were studied.
23. Aboveground biomass, regeneration rate and the water content of perennial ryegrass. Kentucky bluegrass and tall fescue under different soil moisture gradient were measured under field conditions.
24. Some physiological and biochemical characters of endophyte infected (EI) and endophyte free (EF) plants were observed to study the adaptive response of perennial ryegrass to cyclic drought stress.
25. 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.
26. As one would expect, the science of maintaining Wimbledon's courts has been subject to rigorous research - the current formula is 100% Perennial Ryegrass, cut to a height of exactly 8mm.
More similar words: ryegrass, rye grass, perennial, perennially, quadrennial, biennial, triennial, biennially, decennial, centennial, millennial, bicentennial, bluegrass, prairie grass, keep off the grass, snake in the grass, a snake in the grass, grass-covered, millennia, rennin, foie gras, grass, grassy, grassland, seagrass, supergrass, grassplot, crabgrass, grass over, brassiere.