简介：本文主要研究了六种不同药剂对柳树腐烂病的疗效。明确了佰明98灵和特效杀菌王为防治柳树腐烂病的理想药剂。

简介：Defenceproteinsareakindofchemicaldefencecompounds.Theyplayakeyroleinplantrestrainingbioticandabioticharm.Toilluminateactivitiesofsomedefenseproteinsassociatedwithageorplantfamilyoflarch,thelarchneedleswerecollectedfromtwodifferentfamiliesofKoreanlarch,Larixolgensisandahybridlarch,L.kaempferi×L.gmelinii,respectively,andthentheactivitiesofdefenceproteinsinthoseweretestedusingaUVspectrophotometry.Theresultsshowedthattheactivitiesofprotectiveenzymesatthe16-/17-and19-year-agegroupswerehigherthanthoseattheotheragegroupsinthebothlarchspecies.Whiletheactivitiesofpolyphenoloxidase(PPO)atthe16-/17-year-agegroupandphenylalanineammonia-lyase(PAL)andproteaseinhibitorsatthe19-year-agegroupwerethehighestamongallagegroups.Then,comparedwithL.olgensis,thehybridlarchhadsignificanteffectsontheactivitiesofprotectiveenzymes.TheeffectsofplantfamilyontheactivitiesofPALandchymotrypsininhibitorweresignificantlydifferent,andthenthoseontheactivitiesofPPOwerenotsignificantlydifferent.TheeffectsofthetwofamiliesinL.olgensisontheactivitiesoftrypsininhibitor(TI)weresignificantlydifferent,whilethoseinthehybridlarchontheactivitiesofTIwerecontrary.Toconclusionsshowedthatthedifferentageandplantfamilysignificantlyaffectedtheactivitiesofdefenceproteinsintheneedlesoftwolarchspecies,andthenenhancedthelarchresistancetopests.Thesecouldplayakeyfunctioninforestrytreegeneticimprovementandmanagementinfuture.

简介：日本：据日本木材出口振兴协会《木材出口统计月报》数据，1-9月日本出口原木为73．119万m^3、锯材9．5408万岔、单板薄板63．3万m2、胶合板8．4950万m^3、纤维板6881m^3、刨花板1．1212万m^3，除纤维板外同比均有不同程度的增长。其中，出口中国的纤维板和刨花板同比有所减少，其他均为增长（见右表）。

简介：MultiplicationofElaeagnusangustifoliaL.wasexaminedinvitrosuccessivelyfromasingleshootunderthespecifiedconditionofdifferentmedia,plantgrowthregulators,pHvalueandsucroseconcentration.ItwasshowedthatMMS1wasthemostsuitablemediumonshootmultiplicationamong5mediaconcerned;BAPwasthemosteffectiveoneamongallthecytokinininvolved,BAP,KN,TDZandZT;theexpluntofthetophalf-partfromashootproducedmorenewshootsthanthatofthefoothalf-partdid;morenewshoots(>2cm)wereproducedunder3%sucrosebetweentheconcentrationswithtophalf-partexplants;shootscouldgrowwellbetweenpH4.4andpH7.0,andthebiggestnumberofshootswasproducedinpH5.6,whileinpH5.8themaximumrootingrateappeared.Asaresult,thecombinationof0.5μMBAPand0.1μMIBAonMMS1mediuminducedthemaximumshootmultiplication.Thenumberofshootamplified3timesin1month,and3^12shoots(>2cm)mightbetheoreticallymultipliedannuallyfromasingleshoot.

简介：2002年4月,朱镕基总理视察海南时指出:海南要充分发挥资源优势,调整和优化产业结构,大力发展特色经济,加强生态环境保护和建设,坚定不移地走可持续发展道路.朱总理的重要指示,为我省林业的发展提出了新的要求.近年来,我省林业以生态省建设为目标,以实施林业重点工程为突破,使我省造林绿化工作步人了一个新的发展阶段.

简介：榆紫叶甲是近年来城市绿化树种榆树的重要害虫之一,并且发生危害日趋严重,已经对榆树生长造成巨大的影响.针对榆紫叶甲的3个主要发育历期进行药剂防治试验,试验得到一种作用效果较好的药剂(8%绿色威雷微胶囊剂),其在榆紫叶甲的各个发育历期中都表现出较好的效果.同时,对比不同历期的防治效果发现,幼虫期是防治榆紫叶甲的最佳时期.

简介：本试验研究了5种药剂对油茶软腐病的防治效果。试验结果表明,在油茶软腐病发病期,80%波尔多液可湿性粉剂6g/L处理对油茶软腐病的防治效果最好,油茶软腐病的病情指数明显较低,防治效果为76.9%;20%多菌灵可湿性粉剂2.0g/L处理对油茶软腐病的防治效果次之,防治效果为68.9%;50%退菌特可湿性粉剂1.2g/L处理对油茶软腐病的防治效果比20%多菌灵可湿性粉剂处理低,为61.1%。40%丙环唑微乳剂和70%甲基硫菌灵可湿性粉剂的不同剂量处理对油茶软腐病的防治效果偏低。

简介：九十年代市场经济的大潮冲击着社会生活的各个方面,园林科研单位也面临着日益激烈的市场竞争。太原市园林科研所近年来在市场经济中求生存、求发展,深刻认识到科研的重要性。我所的科研现状是科研经费短缺,技术力量薄弱,设备落后,这是我们的劣势,但我们有一定的科研基地,由于下属园林局,科研成果可以直接应用于城市园林绿化,这又是我们的优势。过去的园林科研大多是脱离市场的纯科研,科研成果很难有效地转化为生产力,创造经

简介：我院技术性期刊《林业勘察设计》,于1981年10月经省委宣传都批准创刊。后经几次全国性期刊整顿,现为经省科委审批、国家科委核准,并在省新闻出版局登记注册、国家新闻出版署备案的公开发行的省级正式科技期刊,具有国内统一刊号(CN35—1119/S)与国际标准刊号(ISSN1004—2180)。这在全国林业勘察设计行业仅8家,在全省勘察设计行业仅我们

简介：治安协警,顾名思义就是指协助警察开展治安管理工作的组织和人员.作为地方警力的有效补充,近年来,治安协警在各地公安机关治安管理工作中发挥了独特的作用,但在实际工作中也难免会出现一些问题,有些问题甚至影响到公安机关治安管理工作的效率和队伍的整体形象.因此,全面客观地分析治安协警体制,对于规范和调整其行为,更好地发挥其积极作用具有非常重要的意义.

简介：“实行林改新制度，政府为民来造福；社会稳定民富裕，山更青来水更绿。”山歌首首唱出林农的心声，歌词句句描绘出林改的画面。当这一首首林改山歌在八桂大地飘荡的时候，广西林改正以势如破竹之势在各地开展。截至8月12日，全区完成外业勘界面积1．19亿亩，占年度任务的113．3％，提前半年完成全年林改外业勘界工作任务；核发林权证面积7553万亩，占年度任务的78．7％；

简介：分别对毛竹林采用施放苦参碱·烟碱烟剂、喷施白僵菌粉剂及苏云金杆菌粉剂等3种生物药剂,进行两色绿刺蛾林间防治试验,结果表明：林间施用3种药剂后10d,两色绿刺蛾防治效果分别达95.23%、87.89%、89.34%,防治效果明显,表明该3种药剂均可单一或综合使用于两色绿刺蛾幼虫的防治,其中以施放苦参碱·烟碱烟剂对两色绿刺蛾幼虫表现出死亡率高、死亡速度快,效果最佳。

简介：为探索沿海防护林树种木麻黄主要食叶害虫木麻黄毒蛾的无公害防治方法,2015年在福建省东山岛分别选用1%苦参碱可溶性液剂、25%噻虫嗪水分散粒剂、1.2%烟碱·苦参碱乳油和1.8%阿维菌素乳油等4种高效、低毒的药剂进行林间喷雾防治木毒蛾2-3龄幼虫的试验。结果表明,在相同浓度下,4种药剂防治效果表现为：1.8%阿维菌素乳油〉1%苦参碱可溶性液剂〉25%噻虫嗪水分散粒剂〉1.2%烟碱·苦参碱乳油;施药后3d左右为木毒蛾幼虫的死亡高峰期;药剂浓度越高,对木毒蛾幼虫的致死中时间越短,幼虫死亡率也越高;1.8%阿维菌素乳油1000倍液防治2~3龄木毒蛾幼虫效果最好,在7d内对木毒蛾幼虫的校正死亡率达95.92%。

简介：系统的研究了3-吲哚丁酸，1-萘乙酸，ABT生根粉及核能素对黄花落叶松移植后根系再生效果的影响。裸根黄花落叶松施用核能素和ABT生根粉的植株细根（吸收根）长势最好，施用核能素和3-吲哚丁酸的植株次之，施用核能素和1-萘乙酸的植株长势最差；带土坨黄花落叶施用核能素和ABT生根粉的植株细根（吸收根）长势最好，施用核能素和3-吲哚丁酸的植株次之，施用核能素和1-萘乙酸的植株长势最差。

简介：InordertomaintainhigheremergenceratewithdirectseedinginShandongrockymountain,effectsofdifferentcoveringwaysonemergencerateofSophorajaponicaL.directseedingwerestudied.Theresultsshowedthatbothmulchingfilmandgrasscovercouldeffectivelyincreasethemoisturecontentofthesoilatthedepthof0-30cm,contributingtosoilmoistureconservationandtheinhibitionofsoilevaporation,whichcreatedfavorablemoistureenvironmentforthegrowthofS.japonicaseeds.Bothth...

简介：Applyingtheeconomicprinciples,thisarticlecarriesouttheassessmentofeconomicperformancesbroughtbyforestryresearchachievementthroughresearchanddiscussionontheassessmentmethodofeconomicperformancesofprovenancepopularizationofPinusmassonianaL.Thearticlealsobringsintheoptionmethodtofullydisplaythevalueofforestresearchachievement.

简介：在金融危机中，具有自主品牌、创新能力强的企业日子并不难过。针对庞大的内地消费市场，厂商如何调整结构、寻求出路成为新的话题。

简介：Theneedforreforestationincorkoak（QuercussuberL.）areasischallengedbydifficulties.Principalamongtheseisherbivoryofyoungplants,vegetativecompetition,andslowgrowthratesofcorkoakseedlings.WeevaluatedtheearlydevelopmentofcorkoakseedlingstreatedusingtreesheltersandmulchinginnorthwesternTunisia.Wetestedthreetreesheltertreatments（non-vented,vented,andcontrol）toshieldseedlingsfromanimaldamageandfivemulchtypestocontrolcompetingvegetation（ItalianStonePine,Lentisk,combinationofItalianStonePineandLentisk（organicmulches）,gravel（inorganicmulch）andnomulch）.Attheendofthetwo-yearexperiment,shelteredseedlingswere89-99%tallerthanunshelteredseedlingsandhadhighernumbersandlengthsofshootgrowthflushes.Incontrast,bothstemdiametergrowthanddryweightbiomass（fromsamplesextractedaftertwoyears）weresignificantlyreducedinsidetreeshelters.Root-to-shootratiowasnotsignificantlydifferentinshelteredvs.unshelteredseedlings,suggestingthattreesheltersdonotadverselyaffectthisparameter.Mulchingalonedidnotfavourgrowth,butcouldbebeneficialwhencombinedwithtreeshelters.Thecombinationofventedtreesheltersandgravelmulchwasthemosteffectivetreatmentforpromotingdiameter,heightandstemvolumegrowth.

简介：Blacklocust(RobiniapseudoacaciaL.)wasthefirstNorth-AmericantreespeciesimportedtoEuropeatthebeginningoftheseventeenthcentury.Itiscommonlyplantedworldwidebecauseofitsadaptabilitytoenvironmentalstresses,itsvaluablewood,easypropagation,frequentandabundantseedproduction,excellentcoppicing,highseedlingsurvival,andrelativelyhighwoodyield.InEurope,RomaniaandHungaryhavethemosthighly-developedblacklocustgrowingtechniquesandexperiences.Asaresultofincreasinginterestinblacklocustinmanycountries,thisreviewaimstoprovideacomprehensiveoverviewofstate-of-the-artsiterequirements,propagation,improvementandmanagement(includinggrowthandyieldaswellasuseinenergyplantations).

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