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1、試驗(yàn)一Seashorepaspalum新種質(zhì)的植物學(xué)特征（胡思源主導(dǎo)，共同完成）試驗(yàn)二Seashorepaspalum新種質(zhì)的坪用性狀評(píng)價(jià)（胡思源）1選題背景2010年采集海濱雀稗野生材料1份（暫命名‘T1’），經(jīng)6年馴化栽培和系統(tǒng)選育，認(rèn)為比其他海濱雀稗具有矮生優(yōu)質(zhì)特性，但缺乏具體和深入了解。獲得轉(zhuǎn)草地早熟禾抗寒基因海濱雀稗材料3份（暫命名‘T2’、‘T3’、‘T4’），需要進(jìn)一步驗(yàn)證和了解抗寒性和其他性狀。從美國(guó)引進(jìn)來自12個(gè)國(guó)家的海濱雀稗種質(zhì)材料48份，國(guó)內(nèi)收集6份（Seaspray、Salam、SeaIsle2000、Adalayd2、PureDynacty、SY160904），總計(jì)5
2、8份種質(zhì)材料，需要了解和評(píng)價(jià)其生物學(xué)性狀。供試材料及來源PlantNameanditssource編號(hào)Item材料登記號(hào)Accession植物名稱PlantName來源source11792217922UnitedStates23643681662Mozambique3377709N71-235SouthAfrica,KwaZulu-Natal4509020329-79Argentina5509021342-79Argentina6509022540-79Argentina7509023544-79Argentina8576134Grif5802Brazil9576138Grif5803Bra
3、zil10576140Grif5805Brazil1161277112Peru12614678DurbanCountyClubSouthAfrica13614679E-1Bahamas14614680Q40522Belize15645598BrazoriaUnitedStates,Louisiana16647891EINKHUDRAIsrael17647892MaunaKeyUnitedStates,Hawaii18647893HI10UnitedStates,Hawaii19647894HI14UnitedStates,Hawaii20647895HI26UnitedStates,Hawai
4、i21647896HI32UnitedStates,Hawaii22647897HI33UnitedStates,Hawaii23647898HI36UnitedStates,Hawaii24647899HI39UnitedStates,Hawaii25647900Grif15174Thailand26647901MANGILAOGCGuam27647902AdalaydAustralia28647903Taylor1UnitedStates,NorthCarolina29647904Taylor2UnitedStates,NorthCarolina30647905ExcaliburAustr
5、alia31647906310-79Argentina32647907561-79Argentina33647908AM3554UnitedStates,Georgia34647909Temple1UnitedStates,Texas35647910Temple2UnitedStates,Texas36647911FSP1UnitedStates,Georgia37647912SIPV28-1UnitedStates,Georgia38647913Grif15190Brazil39647914Grif15191Brazil40647915LaredoUnitedStates,Texas4164
6、7916TFP3-5UnitedStates,Georgia42647917Sanibel3UnitedStates,Florida43647918Marco4UnitedStates,Florida44647919Kunia1UnitedStates,Hawaii45647920PICC(LA)UnitedStates,Louisiana46647921SanctuaryUnitedStates,Florida47647922ADE-2Australia48647923PERTH1Australia49SY160904SY160904海南三亞50SP001Seaspray克勞沃51SP002
7、Salam海南52SP004SeaIsle2000深圳正高53SP006Adalayd-2國(guó)內(nèi)收集54SP007PureDynacty克勞沃55SP005T1野生馴化材料56SP008T2轉(zhuǎn)基因材料57SP009T3轉(zhuǎn)基因材料58SP010T4轉(zhuǎn)基因材料2研究目的和意義通過觀測(cè)比較58份供試材料在形態(tài)特征、生活習(xí)性、坪用性狀、抗逆性（抗旱、耐寒、耐鹽、耐踐踏、抗病、耐蔭）、染色體倍性、遺傳多樣性等
