冷季型草坪草引種的適應(yīng)性評(píng)價(jià)與抗寒研究.pdf

1、東北師范大學(xué)碩士學(xué)位論文冷季型草坪草引種的適應(yīng)性評(píng)價(jià)與抗寒研究姓名：孟繁勇申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：生態(tài)學(xué)指導(dǎo)教師：張喜軍20040501AbsractTheecologicaladaptationtochangchunofthe15kindsofcoldseasonturfgrasseswerediscussedatbothlevelsoffieldexperimentsand1abexperimentInassociationwith

2、thefieldexperimentationthethesisfocusesonthestudyofmrfgrasscoldtoleranceByWatchingthegrowthofthegrassinthefieldIdiscussedthefifteencoldseasonturfgrassecologlcaladaptationtoChangchun，elementarygivingtheevaluationofadaptat

3、ionfromsight、capabilityandsuitableapplicationTheconclusionisthatThePerennialRyegrassgetthehighestgradefromthesightAwardandConnigetthesecondhi曲crgradeFestucaarundinaceaSchrebiSthelastFromthepointviewofcapabilityAwardgrass

4、getthehighestgradeFestucaarundinaceaSchrebgetsthelowestgradeAward、Conni、DelawareandGatorgetveryhi曲gradeinthefourcategoriesgrass(ornamentalttwEgrass、esplanadeturfgrass、fieldglaSS、coverturfgrass)FromthepointviewofSuitablea

5、pplication，AwardandConnihaveagoodapplicationforegroundBecauseoftheweakcoldtolerancetheperennialRyegrassisnotsuitabletochangchunforgrowingTheFestucaarundinaceaSchrebhaveagoodheattoleranceSonleYcanbeblendedwiththePoapraten

6、sisLintheturfgrassplantingInthesametimethethesisgivessomeblendedplantingprojectBywatchingtheclusterofthetttrfgrass，ItrytofindtheconnectionbetweenthecoldtoleranceandclustertypeIfindtheclustertypethatCandecidethetuffgrasco

7、ldtoleranceinpartInthesecondsetoflabroryexperiments，thechangeofgrassleafconductanceandprolinewerestudiedTheelementaryconclusionis：PoapratensisLiSbetterthanFestucaarundinaceaSchrebinthecoldtolerancenlePerennialRyegrassisw

8、eakforresistingthecolddamageArygleisthebestinresistingthecolddamageConniisthesecond血thecoldtoleranceFestucaarundinaceaSchrebvarietyisthealmostthesameinthecoldtoleranceGatoristheweakestintheresistingthecolddamageKeywords：