烤烟新品种云烟99及其亲本生长特性研究_江文斌.pdf

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1、江西农业大学学报2012，34(2):220－225http://xuebao．jxau．edu．cnActaAgriculturaeUniversitatisJiangxiensisE－mail:ndxb7775@sina．com烤烟新品种云烟99及其亲本生长特性研究1，22*13江文斌，吴兴富，李永忠，张永贵(1．云南农业大学烟草学院，云南昆明650201;2．云南省烟草农业科学研究院，云南玉溪653100;3．玉溪农业职业技术学院，云南玉溪653106)摘要:为了解烤烟新品种云烟99生长特性，利用Logistic生长模型对云烟99的株高、叶片数、中部叶叶面积生长进

2、行回归分析，并与其父本9147、母本云烟85做比较。结果表明:(1)云烟99及其亲本3个性状共9个Lo-gistic生长模型方程拟合程度均达极显著水平，能较真实地反映云烟99及其亲本的生长特性;(2)云烟99株高比亲本略高，叶片数与亲本相当，中部叶叶面积与父本相当、比母本大;(3)云烟99株高和叶片数的线性生长期与父本相当、比母本长，中部叶叶面积比亲本长;(4)云烟99的3个性状平均生长速率均介于双亲之间，但线性生长速率和最大生长速率存在差异。关键词:烤烟新品种;云烟99;生长特性;Logistic;回归分析中图分类号:S572文献标志码:A文章编号:1000－2286

3、(2012)02－0220－06GrowthCharacteristicsofNewFlue-curedTobaccoVarietyYunyan99andItsParents1，22*13JIANGWen-bin，WUXin-fu，LIYong-zhong，ZHANGYong-gui(1．CollegeofTobaccoScience，YunnanAgriculturalUniversity，Kunming650201，China;2．YunnanA-cademyofTobaccoAgriculturalSciences，Yuxi653100，China;3．YuxiA

4、gricultureVocation－TechnicalCol-lege，Yuxi653106，China)Abstract:Inordertostudythegrowthcharacteristicsofanewflue－curedtobaccovarietyYunyan99，lo-gisticregressionanalysiswasperformedtoanalyzethedataofplantheight，leafnumberandmiddleleafareaoftheYunyan99，9147(♂)andYunyan85(♀)．Theresultsshowed

5、that:(1)goodness-of-fitofninelogisticmodelsestablishedfromthethreecharactersofthethreeflue-curedtobaccovarietiesreachedextremelyre-markablelevel．NinemodelscouldtruelyreflectthegrowthcharacteristicsofYunyan99anditsparents;(2)theplantheightofYunyan99washigherthanthatofitsparents，buttheleaf

6、numberwasnotsignificantlydifferentfromthatofitsparents，themiddleleafareawasequaltothatofitsfemaleparentandlargerthanthatofitsmaleparent;(3)thelineargrowthdays(LGD)ofYunyan99’splantheightandleafnumberwereequaltothoseofitsmaleparentandlongerthanthoseofitsfemaleparent，LGDsofthemiddleleafare

7、aweremorethanthoseofitsparents．(4)Theaveragegrowthrates(AGR)ofthethreecharactersofYunyan99werebetweenthoseof9147andYunyan85，butthelineargrowthrate(LGR)andthemaximumgrowthrate(MGR)weredifferent．Keywords:newflue-curedtobaccovariety;Yunyan99;growthcharacteristics;Logistic;re