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《不同品種、施氮量、種植密度對(duì)烤煙農(nóng)藝性狀、經(jīng)濟(jì)性狀和化學(xué)品質(zhì)的影響》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、河南農(nóng)業(yè)科學(xué),2013,42(12):46—50JournalofHenanAgriculturalSciences不同品種、施氮量、種植密度對(duì)烤煙農(nóng)藝性狀、經(jīng)濟(jì)性狀和化學(xué)品質(zhì)的影響范藝寬,毛家偉。,葉紅朝。(1.許昌市煙草公司,河南許昌461000;2.河南省農(nóng)業(yè)科學(xué)院植物營養(yǎng)與資源環(huán)境研究所,河南鄭州450002;3.洛陽市煙草公司,河南洛陽471000)摘要:為探討適宜豫西煙區(qū)的烤煙主栽品種以及烤煙最佳的種植密度和施氮量,采用正交試驗(yàn)設(shè)計(jì),通過田間小區(qū)試驗(yàn),研究了不同品種、施氮量和種植密度對(duì)烤煙農(nóng)藝
2、性狀、經(jīng)濟(jì)性狀和化學(xué)品質(zhì)的影響。結(jié)果表明:在移栽后36d,以中煙100品種株高最高,不同密度水平烤煙株高、莖圍、葉片數(shù)和葉面積差異不顯著;在移栽后60d,烤煙葉面積隨施氮量的增加呈增加趨勢(shì)。試驗(yàn)因素對(duì)產(chǎn)量的影響排序?yàn)槠贩N>施氮量>密度,獲得最高產(chǎn)量的組合為AB。C。(即品種為豫煙6號(hào),密度18000株/hm,施氮量90.0kg/hm。);對(duì)產(chǎn)值的影響排序?yàn)槠贩N>密度>施氮量,獲得最高產(chǎn)值的組合為AB2C(即品種為秦?zé)?6,密度16500株/hm,施氮量67.5kg/hm),其產(chǎn)值、均價(jià)和上等煙比例分別為6
3、2770.5元/hm、19.21元/kg和58.6??緹熎贩N對(duì)總糖和還原糖影響最大,施氮量增加使煙葉總氮含量增加。綜合分析,在豫西煙區(qū),選擇秦?zé)?6、種植密度16500株/hm。、氮肥施用量67.5kg/hm。較為適宜,可進(jìn)行推廣應(yīng)用。關(guān)鍵詞:烤煙;氮用量;密度;品種;農(nóng)藝性狀;經(jīng)濟(jì)性狀;化學(xué)品中圖分類號(hào):$359.1文獻(xiàn)標(biāo)志碼:A文章編號(hào):1004~3268(2013)12—0046—05EffectsofDifferentVarieties,NitrogenRateandPlantingDensity
4、onGrowth,EconomicCharactersandChemicalQualityofFlue—curedTobaccoFANYikuan,MAOJia—wei。。YEHong—chao。(1.TobaccoCompanyofXuchang,Xuchang461000,China;2,InstituteofPlantNutrition,AgriculturalResourcesandEnvironmentalScience,HenanAcademyofAgriculturalSciences,Zh
5、engzhou450002,China;3.TohaecoCompanyofLuoyang,Luoyang471000,China)Abstract:Usingorthogonalexperimentaldesignforthefieldexperiment,theeffectsofdifferentvarieties'nitrogenrateandplantingdensityongrowth,economiccharactersandchemicalqualityO{flue—curedtobacco
6、werestudiedinthewestofHenanregiontofindthesuitablecultivarsandoptimumnitrogenrateandplantingdensity.Theresultsshowedthatonthe35thdayaftertrans—planting,theplantheightofZhongyan100washighestamongthe3varietiesandtheplantheight,stemgirth,leafnumberandleafare
7、ahadnosignificantdifferenceamongdifferentplantingdensity.Onthe60thdayaftertransplanting,theleafareaWasincreasedwiththeincreaseofnitro—genrate.TheresearchindicatedtheinfluenceofexperimentaIfactorsontobaccoyieldwasrankedasfollows:variety>nitrogenrate>planti
8、ngdensity.Underthisexperimentcondition.thecultivationtechniqueforthehighestyieldwasAaB3C3(variety:Yuyan6,plantingdensity:18000Dlants/ha,收稿日期:2013—05—29基金項(xiàng)目:河南省煙草專賣局科技項(xiàng)目(HYKJ201108,HYKJ201002);國家煙草專賣局特色優(yōu)質(zhì)煙葉開發(fā)重大專項(xiàng);洛陽市