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时间:2020-06-20
《不同品种花生叶片光合特性及产量比较研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、沈阳农业大学学报,2014—04,45(2):152—157JournalofShenyan~AculturalUniversity.2014一O4.45(2):152—157不同品种花生叶片光合特性及产量比较研究张春芳,杨劲峰,韩晓日,李丹,王月,李娜,黄玉茜(沈阳农业大学土地与环境学院/土壤肥料资源高效利用国家工程实验室,沈阳110161)摘要:为加速辽宁省花生产业迅速发展,引进适合本地的优良品种,提高花生产量,采用盆栽土培试验,研究两个花生品种生育期功能叶片光合特性的变化规律及产量的差异。结果表明:两个花生品种整个生育期内叶面积指数(LAI)、净光合速率(Pn)和气孑
2、L导度(Cond)的变化趋势相似,呈先升后降的趋势,LAI在出苗后73d达到最大值,Pn和Cond在出苗后51d达到最大值;叶绿素含量的变化呈下降趋势;叶片胞间CO:浓度(Ci)的变化动态为先降后升,在出苗后51d达最小值。其中,花育30的IAI、叶绿素含量和Pn显著优于白沙1016。花育30的生物产量和单株结果数显著高于白沙1016,荚果产量比白沙1016高15.24%,达到显著水平。荚果产量与Pn、LAI和叶绿素含量呈极显著正相关。关键词:花生;品种;光合特性;产量DOI:10.3969/j.issn.1000-1700.2014.02.006中图分类号:$565.2文
3、献标识码:A文章编号:1000—1700(2014)02—0152—06DiferenceofPhotosyntheticCharacteristicsandPodYieldofTwoPeanutVarietiesZHANGChun-fang,YANGJin-feng,HANXiao-ri,LIDan,WANGYue,LINa,HUANGYu-qian(CollegeofLandandEnvironment/NationalEngineeringLaboratoryofHighEficientUseonSoilandFertilizerResources,ShenyangA
4、griculturalUniversity,Shenyang110161,China)Abstract:InordertospeedupthedevelopmentofpeanutindustryinLiaoningProvince,theintroductionofimprovedvarietiessuitableforlocalwithhightheyieldofpeanut,thepotcultureexperimentwasdone.Thediferencesvariationofphotosyntheticcharacteristicsandpodyieldoft
5、wopeanutvarietieswerestudied.Duringthewholegrowthperiod,theofleafareaindex(LAI),netphotosyntheticrate㈣andstomatalconductance(Cona)weresimilar,whichincreasedonearlystagesanddecreasedonlatestages.Them~imumvalueofLAIoccurredon73dafteremergence。theotherson51dafteremergenceChlorophylldecreasedo
6、nthewholegrowthperiod.IntercellularCO2concentrationofleafdecreasedontheearlystageandincreasedduringthelatestageswiththeminimumvalueon51dafteremergence.LeafphotosyntheticcharacteristicsofHuayu30weresuperiortoBaishal016atthe0.05leve1.NumberofplumppodsperplantofHuayu30wassignificantlyhigherth
7、anthatofBaisha1016andbiologicalyieldperpotwasalsohigher.TheyieldofHuayu30wassignificantlyhigherthanthatofBaishal016andtheyieldincreasedby15.24%.Thereweresignificantlypositivecorrelationsat0.01levelbetweenpodyieldandPn.IAI.chlorophyllcontent.Keywords:peanut;var
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