2009•Xibei zhiwu xuebaoRequires access
Seeds germination and seedling growth about 3 Pennisetum ornamental grasses under drought stress.
Jiao Shu-ying, Yongqiang Li, S. Shayila, Chen Xiuling
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Abstract
The experiment was conducted to study the seeds germination of Pennisetum Rich.and drought stress at seedling stage under different PEG content.The result showed that germination rate and germination index were improved by low content PEG(5%)stress,and germination rate of Pennisetum Rich.was decreased significantly(P0.05)with the PEG content increased,but the radicle/embryonic bud was increased.The relative germination index was different with the different species,it is P.alopecuroidesP.setaceumP.alopecuroides 'Moudry'.The leaves of P.alopecuroides 'Moudry' were harmed badly than P.setaceum and P.alopecuroides after drought stress for 8 days,and the proline content of P.alopecuroides was higher than that of P.alopecuroides 'Moudry',MDA content of P.alopecuroides was lower than that of P.alopecuroides 'Moudry',and the drought resistance character at seedling stage was accordant with seeds osmotic stress.