烤烟新品系韭菜坪2号选育(翻译)[1]

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1、联系人：刘仁祥，单位地址：贵州省贵阳市贵州大学农学院，邮政编码：550025，电话：13985155687，电子邮箱：agr.rxliu@gzu.edu.cn烤烟新品系韭菜坪2号选育及特征特性初报龙丽琴1刁朝强1刘仁祥2（1毕节地区烟草公司贵州毕节551700）(2贵州大学贵州贵阳550025)摘要为了筛选地方性特色烤烟品种，促进毕节地区烟叶生产的可持续发展；本文以K326为对照，对自育烤烟新品系“韭菜坪2号”的特征特性进行了研究。结果是：韭菜坪2号大田生育期为135－142天，田间生长整齐；茎叶角度70.5度，比对照多

2、20.5度；高抗气候斑点病，抗病能力较强，适宜在海拔1400～1900m的毕节烟区种植。亩产量、亩产值、均价、上等烟率、中等烟率分别比对照增加7.25kg、59.58元、0.06元/kg、0.5个百分点、0.31个百分点；增加率分别为5.33%、5.73%、0.73%、2.28%、0.66%。烟叶外观质量较好，化学成份协调；评吸质量总体较好，总体略好于对照K326。关键词烤烟韭菜坪2号选育特征特性AprimaryreportontheBreedingandcharacteristicsofNewflue-curedtob

3、accovarietynamedJiucaiping2 LongLiqin1DiaoZhaoqiang1LiuRenxiang2 (1BijieregionaltobaccocompanyBijie,Guizhou551700)(2GuizhouUniversity,Guiyang,Guizhou550025) AbstractInordertofiltercharacteristicendemicspeciesofflue-curedtobacco,topromotethesustainabledevelopment

4、oftobaccoproductioninBijie.ThecharacteristicsofNewflue-curedtobaccovarietynamedJiucaiping2whichisselectedbyourselfarestudiedinthispapercomparedwithK326.Theresultsareasfollowing:ThefieldgrowthperiodofJiucaiping2is135-142days,thetobacogrowthisneatinfield;thecornerb

5、etweenshootandleafis70.5degrees,itisincresedby20.5degreescomparedwiththecontrol,Jiucaiping2canhighlyresistclimatefleckdisease,ithasstrongdisease-resistantcapacity,itisappropriatetocultivateinBijietobaccoareawherethealtitudeis1400~1900m.Theyieldof667m2,thevalueof6

6、67m2,theaverageprice,theupperbreathingrate,breathingrateoverthemediumareincreasedrespectivelyby7.25kg,59.58yuan,0.06yuan/kg,0.5%,0.31%comparedwiththecontrol,theincreasecentesimalratearerespectively5.33%,5.73%,0.73%,2.28%,0.66%.Ithasbetterqualityoftobaccoappearanc

7、e,coordinationchemicalcomposition;betteroverallqualityofsmoking,slightlybetterthanthecontrolK326ingeneral. Keywordsflue-curedtobaccoJiucaiping2BreedingCharacteristics表1韭菜坪2号主要生育期和农艺性状Table1ThemajorgrowthperiodandagronomictraitsofJiucaiping2品种（系）自然叶数（片）打顶后叶数（片)自然株

8、高（cm）打顶后株高（cm）茎围（cm）节距（cm）腰叶（cm）顶叶（cm）移栽至开花(天)大田生育期(天)长宽长宽24.321.6135.7110.711.94.572.428.361.521.262.3130.0韭菜坪2号K326(ck)22.319.9122.8107.79.94.268.324.459.117