1,1,1,2(1.,730020;2.,730400):4(Glycinemax)95-11418930257,4logistic^y=k(1+ea+bt+ct2+dt3)-1(r=0.9953,P0.01),(cm2/),95-114,18930257,,4y=k(1+ea+bt)-1(FF0.01)(g/),15d95-1,14,18,36.3%,25.1%,20.57%,17.93%;930257,,35%,32.4%,18%,14.8%:;;:S565.101:A:100425759(2004)0420070206X(Glycinemax),,,[1],,,,,[1][2,3],,2001,,4,2002,1,1620m,182.4mm,8.2,102988.9,,,22.14,18930257;95-1;142.2(Zeamays),,,2002315,150kg/hm270-758/2004ACTAPRATACULTURAESINICA134Vol.13,No.4X:2003204230:(G200018602);(90102011);:(19452),,,,©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(P2O546%,N18%)200246,4,60cm,40cm,10cm,4m3425,4,2,6152000[Cu(OH)2]10001,2.361,10d5,();,20,();[4];,,33.14[5]1295-1;14;18;93025714Table1ThedevelopmentalstagesoffoursoybeanvarietiesVarietiesSowingdate(-month-day)Emergencedate(-month-day)Bloomingstartdate(-month-day)Poddingdate(-month-day)Ripeningdate(-month-day)Growingdays(d)95-1Shanghai95-14-64-256-106-198-1010714Kenjian144-64-256-86-168-410118Earlymaturity184-64-256-297-119-21309302574-64-257-107-239-2815624Table2BotanicalcharacteristicsoffourdifferentsoybeanvarietiesVarietiesPlantheight(cm)BranchnumberLeafshapeFlowercolorPoddinghabitPlantleafnumberGraincolor95-1Shanghai95-130.13.2EllipseWhiteIndeterminate21Green14Kenjian1453.60.87Narrow-longPurpleDeterminate15Yellow18Earlymaturity1861.23.6EllipsePurpleIndeterminate27Yellow930257124.00.4EllipsePurpleIndeterminate19Yellow3.23,4,,,218930257,,(r=0.928,P0.01)[6],,,[7,10]3.33.3.14logistic171342004©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.34Table3TheyieldcharacteristicsoffourdifferentsoybeanvarietiesVarietiesPods/plantGrains/pod1002grainweight(g)Grainweight/plant(g)Economiccoefficient95-1Shanghai95-123.541.783.5013.530.3714Kenjian1432.802.2018.8013.630.3518Earlymaturity1831.142.3020.1014.240.3693025735.701.9520.0314.270.18(FF0.01)(1),,(r=0.9953,P0.01),,:95-1,1576cm2;14,1465cm2;18,2888cm2;930257,4832cm2,,,,,,,,18,,3,95-1,14,,3.3.2244Table4Dynamicmodelsforleaf-areaaccumulationperplantforfourdifferentsoybeanvarietiesVarietiesModelequationFF0.0195-1Shanghai95-1^Y=1587/1+e2.098-1.4865t+0.1401t2-0.02489t351.1421.9814Kenjian14^Y=1578.4/1+e2.3265-0.48169t-0.57473t2-0.0974t337.4421.9818Earlymaturity18^Y=2960/1+e2.9218-0.04027t-0.5786t2-0.06699t315.94012.246930257^Y=4900/1+e3.478-0.7493t-0.02988t2+0.00194t3199.14011.259^Y:;t:^Y:leaf2areaofplant;t:growthdays.27ACTAPRATACULTURAESINICA(Vol.13,No.4)8/2004©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.95-11445.563.2cm2,621,;18930257115.4109cm2,71,711,,,,,,(),,3.43.4.14(FF0.01)5,3:95-1,36.15g;14,38.72g;18,39.04g;930257,79.23g,,54Table5Dynamicmodelsforplantair2driedweightincreaseforfourdifferentsoybeanvarietiesVarietiesModelequationFF0.0195-1Shanghai95-1^Y=36/1+e3.27-0.924t265.616.25814Kenjian14^Y=40/1+e3.73-1.088t151.216.25818Earlymaturity18^Y=40/1+e3.50-0.770t165.111.259930257^Y=84/1+e3.77-0.655t137.69.646t:growthdays3.4.244,:95-1,0.87g;14,1.09g;18,0.77g;930257,1.37g,15d3.4.36,t1,t2,t,GTt1-t2(g),GT/W,,,GT/W66.9%69.7%,68.3%68.3%(t1-t2)371342004©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.6Table6CharacteristicvaluesofplantweightincreasefordifferentsoybeanvarietiesVarieties(t1-t2)Periodoffastweightincrease(d)t1t2(t)Timeoffastestdailyweightgain(d)Fastestdailyweightgain(g/plantd)Biomassaccumulationbetweent1andt2(g/plant)GT/W(%)95-1Shanghai95-15683700.8823.6768.614Kenjian145882701.0926.3369.718Earlymaturity186498810.7726.3768.193025773114921.3755.3066.9WWrepresentstheabovegroundbiomassaccumulationvalueperplantforthewholegrowthperiod.t1,t2:Daysofgrowthforbeginningandendofperiod,respectively.5Fig.5Biomassofdifferentpartsofthedifferentsoybeanvarieties3.5(5),95-1,14,18,,36.3%,,25.1%,20.57%,,17.93%930257,,35%,,,18%,,,,,,,,,,,,,,44.195-114621,57d,1893025771,711,6777d,,(r=0.9953,P0.01),,4.24,95-11475,70d,18716,81d,930257727,92d,4,,,15d4.3,1495-11893025724,27,34,41d47ACTAPRATACULTURAESINICA(Vol.13,No.4)8/2004©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.23.7%,25.2%,26.1%,26.3%,66.9%69.7%,68.3%(r=0.9967,P0.01)4.4,95-11418,,36.3%,25.1%,20.57%,17.93%932057,,35.0%,32.4%,18%,14.8%,,,,,,,68.3%,,,,,,[8,9,11],,,,,,,,,,,,:[1].[J].,2002,4(10),1082109.[2].[J].,1990,(1):26230.[3],.[J].,2001,3(10)21227.[4],.[M].:,1989.3242384.[5],,.[J].,2003,2(20),31233.[6],,.F2[J].,2002,4(17)127.[7].[J].,1993(1):11212.[8].[J].,1979,(6)2162223.[9].[J].,1989,22(4):41248.[10],,,.[J].,2003,1(12):74277.[11],,,.[J].,2003,6(12):74278.BiologicalcharacteristicsoffourdifferentsoybeanvarietiesHEShi2wei1,CHANGSheng2hua1,WUDe2li1,WANGXia2xian2(1.GansuGrasslandEcologicalResearchInstitute,CollegeofPastoralAgricultureScienceandTechnology,LanzhouUniversity,Lanzhou730020,China;2.JingtaiAgriculturalTechnologyExtensionServiceCenterofGansuprovince,Jingtai730400,China)Abstract:Thebiologicalcharacteristicsoffourdifferentsoybeanvarietieswerestudied.Dynamicsimulationmodelsusinglogisticregressionequationsforplantleaf2areaandplantabovegroundair2driedweightovertimewereestab2lished.Resultsshowedaverysignificantpositiverelatio