berlin/greifswald germany german chancellor angela merkel poise win fourth term sunday election center-left challenger martin schulz urge supporters saturday keep fight vote third electorate still undecided merkel widely expect cruise re-election schulz social democrats trail double digits far-right alternative germany afd could emerge third large party complicate outlook next coalition new insa poll publish bild newspaper show slide support merkel conservatives drop two percentage point 34 percent spd one point 21 percent join unwieldy grand coalition anti-immigrant afd meanwhile rise two percentage point 13 percent cement bid first far-right party enter parliament since end world war two merkel urge supporters drum vote focus conservatives efforts behalf families pledge avoid tax increase emphasis increase security germany christian democratic leader also laud role european union provide stability trouble world want boost motivation still reach many many people today many still undecided merkel say head north home constituency greifswald lead crowd practice cpr loudspeakers blare bee gee song stayin alive good shape international media give try smile merkel tell crowd first elect 2005 merkel remain popular germany regularly face jeer whistle left- right-wing demonstrators rally campaign munich friday merkel defend 2015 decision admit one million asylum seekers humanitarian ground pledge prevent repeat crisis western city aachen schulz pledge fight every vote poll close p.m. sunday say high voter turnout vital offset grow support afd describe party haters young people think brexit think trump say go vote take right vote seriously use schulz say spd overcome resistance conservatives coalition push minimum wage same-sex marriage social priorities schulz assert merkel world champion decide someone simply parrot others ideas vow push reform include good elderly care facilities affordable house end discriminatory practice harm children migrants free child care mount concern afd merkel interior minister thomas de maiziere tell internet provider t-online.de government would combat islamist terrorism strengthen european border bolster security home criticize afd wolf sheep clothe say germany bfv domestic intelligence agency study whether right-wing extremists seize power exert influence party afd found 2013 original goal oppose large bailouts financially strap euro zone countries 2015 shift focus immigration mainstream party rule govern afd come increase scrutiny recent weeks top candidate alexander gauland say german integration minister dump parent homeland turkey germans proud military world war one two jewish muslim group say afd rhetoric open door hate speech anti-semitism josef schuster president central council jews germany tell reuters fear afd entry parliament would change public tone germany worry afd aggressively deepen divisions country say afd already seat 13 16 state legislatures germany promise reenergize debate federal parliament four years call bore rule merkel grand coalition afd executive board member georg pazderski tell reuters party see huge increase support people long ashamed come afd identify afd electoral arithmetic might yet nudge merkel renew coalition spd might opt three-way alliance pro-business free democrats fdp environmental green fdp chief christian lindner tell rally duesseldorf party hop third big force parliament would govern demand condition meet govern price say suggest fdp could potentially impact opposition force face far-right gain merkel schulz urge undecided germans vote