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《不同生長(zhǎng)調(diào)節(jié)劑拌種對(duì)小麥幼苗生長(zhǎng)的調(diào)節(jié)效應(yīng)》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(kù)。
1、中國(guó)難學(xué)c量握2013,29(33):67—73ChineseAgriculturalScienceBulletin不同生長(zhǎng)調(diào)節(jié)劑拌種對(duì)小麥幼苗生長(zhǎng)的調(diào)節(jié)效應(yīng)易媛(揚(yáng)州大學(xué)農(nóng)學(xué)院,江蘇揚(yáng)州225009)摘要:為了研究生長(zhǎng)調(diào)節(jié)劑對(duì)小麥苗期生長(zhǎng)的調(diào)節(jié)效應(yīng),通過(guò)盆栽條件下3種生長(zhǎng)調(diào)節(jié)劑5個(gè)劑量拌種試驗(yàn),旨在探討不同生長(zhǎng)調(diào)節(jié)劑適宜的施用劑量。結(jié)果表明:多效唑、種衣劑、拌種劑進(jìn)行小麥拌種均能提高種子胚乳消耗初始速率,加快種子胚乳消耗轉(zhuǎn)化,促進(jìn)種子萌發(fā),有降低發(fā)芽勢(shì)、提高發(fā)芽率效應(yīng),達(dá)到早出苗的效果。多效唑拌種對(duì)麥苗
2、有加快生育進(jìn)程、縮短葉片長(zhǎng)度、降低苗高、增加葉片寬度、促進(jìn)分蘗、增加干物質(zhì)積累等效應(yīng),有利于達(dá)到壯苗效果,拌種濃度以1~1.5eCkg為宜。種衣劑、拌種劑拌種對(duì)麥苗有加快葉齡進(jìn)程、增加分蘗、增加干物質(zhì)積累等效應(yīng),有利于促進(jìn)麥苗生長(zhǎng),形成壯苗,拌種濃度分別以8-10g/kg、1.5-2g/kg為宜。關(guān)鍵詞:生長(zhǎng)調(diào)節(jié)劑;小麥拌種;苗期效應(yīng)中圖分類(lèi)號(hào):S3文獻(xiàn)標(biāo)志碼:A論文編號(hào):2012—3410EfectofSeedDressingwithVariousGrowthRegulatoronSeedlingSta
3、geofWheatYiYuan(CollegeofAgronomy,YangzhouUniversity,YangzhouJiangsu225009)Abstract:Apotexperimentofseeddressingwiththreegrowthregulatorsatfivedosewasconductedinthetest,theregulatingeffectsofthosegrowthregulatorsonseedlinggrowthinwheatwerestudiedtodetermi
4、nethedoseofthosegrowthregulators.Themainresultswereasfollow:theseeddressingofPP333,seedcoatingformulationandseeddressingagentcoulddecreasegerminationenergyandimprovegerminationrate.Applyingthesethreegrowthregulatortotheproductionwassafeforregularseedlinge
5、mergence.Andthesethreegrowthregulatorcouldincreasetheinitialrateofendospermconsumption,acceleratethetranslationofendospermconsumption,promotetheseedgerminationandimprovetheemergenceofyoungseedling.TheyoungseedlingstreatedwithPP333acceleratedtheprocessesof
6、development,shortenedthelengthofleaf,decreasedplantheight,increasedtheleafwidth,promotedtillersandincreasedaccumulationofdrymatter.Theappropriateconcentrationwas1-1.5g/kg.Theseedcoatingformulationandseeddressingagentacceleratedtheleafage,increasedtillersa
7、nddrymatteraccumulatedandWasbenefittocultivatingseedling.Thetreatmentshadsignificanteffectswhentheseedcoatingformulationof8—10s/ksandseeddressingagentof1.5-2g/ks.Keywords:growthregulator;seeddressinginwheat;theefectofseedlingstage0引言壯控旺、防病治蟲(chóng)等多種類(lèi)型的植物生長(zhǎng)調(diào)節(jié)劑在
8、小近年來(lái),小麥生產(chǎn)應(yīng)用簡(jiǎn)化栽培,撒播面積擴(kuò)大,麥生產(chǎn)推廣應(yīng)用,起到了良好的效果。許多研究表明,基本苗增加;全球氣溫升高,小麥冬前生長(zhǎng)量增加,春植物生長(zhǎng)調(diào)節(jié)劑不僅影響植物生育進(jìn)程】,而且可以季旺長(zhǎng)面積擴(kuò)大;小麥全蝕病、紋枯病普遍發(fā)生,及地調(diào)節(jié)作物與環(huán)境的相互關(guān)系,增強(qiáng)作物抗逆性,利于下害蟲(chóng)苗期危害,給小麥產(chǎn)量提高帶來(lái)了嚴(yán)重影響。高產(chǎn)穩(wěn)產(chǎn)。使用生長(zhǎng)延緩劑(抑制劑)拌種對(duì)小麥生長(zhǎng)為解決小麥旺長(zhǎng)、抗倒能力、防治病蟲(chóng)等問(wèn)題,具有促有一定