不同玉米自交系鋅效率差異及遺傳分析.pdf

1、河北農(nóng)業(yè)大學(xué)碩士學(xué)位論文不同玉米自交系鋅效率差異及遺傳分析姓名：遠(yuǎn)紅杰申請學(xué)位級別：碩士專業(yè)：作物遺傳育種學(xué)指導(dǎo)教師：陳景堂黃亞群20060619DifferenceinzincefficiencyandgeneticanalysisindifierentMaizeinbredlineAuthorYuanHo蛹ieMajor：CropGeneticsandBreedingSupervisor：ProfessorChenJin毋augPr

2、ofessorHuangYaqunAbstrsctInthismse群ch，theparentalnbredlinesofsomewidelyspreadmaizehybridsandlocationmaterialswere#antedinsolutionculture11|銣tlleseedingplantheight，rootlen舛h，Znaccumulation，Znuseefficiencyindifferentmaizei

3、nbredlinesweretestedtGanalyzethegenotypicdifferences；Tenmaizeinbredlineswereselected協(xié)conductadiallelcrosstoexaminethecombiningabilityofplanthei曲tandrootlen辨hofmaizeoffspringThenthegeneticanalysisWaSusedtogetthegoodparent

4、sandhi勸ZnefficiencycombinationsTheresultsshowed：(1)ThegenotypicdifferencesofZnnutritioninmaizeinbredlinesweresignificant。強eseedlingplanthei曲，rootlen蓼hdrymatteraccumulationwerec10serelatedwithZnnutrition(2)Theplantheightr

5、ootlengthanddryweightweretestedaltherangeofZnconcentrationwhichwas010molfL。TheZnconcentrationthattheplantgrowsWorstWaS10”9mot／LThesuitableZnconcentrationtomaizegrowthw鑫s10“。mot／L。ThemaizegrowthWaSh’taccelerated姆continuin

6、gincreasetheznconcentration。Thistreatment’SeffectwasonlyalittlehigherthantheZndeficiency1抽plantheightand姆weightwerebothlowerinl爺’mel忍thanin0Thisresultshowed幽attheharmWasmo雄辯vere；nlowerZncontentthanZndeficiency《3Theeffect

7、ofthedifferentZnconcentration拇maizegrowthWaSdifferent飄￡溉lconcentrationhaSobviouseffectOnthegrowthofstemsandleaves，andnosignificanteffectonroot，《4)The鑊蠹‰鋤cesofZnuptakeandutilizationefficiencyamongmaizeinbredlinegenorypesw

8、eresignificantThemaizeinbredlineswereclassifiedonbiomass，TheefficientandsensitivitymaizeinbredlinesgenotypeswemNongxilt0，Luyuan92，Qi319，XingK36etc，TheefficientefficientmaizeinkedlineswhichareJi853，Chang72hasahi曲Znuptakee

9、fficiency秘艟nonefficiemmaizeinbredlinessuch曩s212543Nongxi531etchasahigh擻useefficiencyTheycallnormallygrowinlowerZnconcentrationThenone塌cJentnone霸cientmaize湖玳dlineswere97一1SNlletc。(5)Inthisresearchtheresultsshowedthatthelo

10、cationalmateriala批mostlyefficientnone用cientandnonefficientnonefficienttypes。They鞠黼’tsensitivetoZneffeeLTheye鞠nommllygrowatnotonlyhighZnconcentrationbutalsotowZnconcentration(6)T1leanalysisofthediallelCrossshowedthatthege