?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+ZAT+ALELOPATI+DARI+ALANG-ALANG+TERHADAP%0D%0APERTUMBUHAN+SEMAI+TIGA+SPESIES+AKASIA&rft.creator=MELDA+YANTI%2C+1114151045&rft.subject=Kehutanan&rft.description=Senyawa+alelopati+merupakan+senyawa+kimia+yang+dilepaskan+tumbuhan+(seperti%3A%0D%0Aalang-alang)+ke+lingkungan+tempat+tumbuh+dan+dapat+menghambat+atau%0D%0Amematikan+tumbuhan+lainnya.+Penelitian+bertujuan+mengetahui+pengaruh+zat%0D%0Aalelopati+dari+alang-alang+terhadap+pertumbuhan+semai+spesies+akasia%2C+mengetahui%0D%0Ajenis+semai+yang+terpengaruh+paling+lemah%2C+serta+mengetahui+interaksi+antara%0D%0Akonsentrasi+ekstrak+alang-alang+dengan+jenis+pohon+fase+semai.+Rancangan%0D%0Apercobaan+yang+digunakan+adalah+Rancangan+Acak+Lengkap+(RAL)+dengan+pola%0D%0Afaktorial.+Faktor+I+yaitu+jenis+semai+yang+terdiri+atas+akasia%2C+mangium%2C+dan+akasia%0D%0Aputih%2C+sedangkan+faktor+II+yaitu+konsentrasi+ekstrak+alelopati+alang-alang+yang%0D%0Aterdiri+atas+tanpa+pemberian+ekstrak+alelopati%2C+pemberian+ekstrak+alelopati+25%25%2C%0D%0Apemberian+ekstrak+alelopati+50%25%2C+pemberian+ekstrak+alelopati+75%25%2C+dan%0D%0Apemberian+ekstrak+alelopati+100%25.+Setiap+perlakuan+diulang+5+kali.+Jumlah+semai%0D%0Apada+setiap+satuan+percobaan+adalah+2+semai.+Variabel+yang+diamati+adalah%0D%0Atinggi%2C+diameter+batang%2C+jumlah+daun%2C+dan+persentase+hidup+semai.+Data+diuji%0D%0Amenggunakan+uji+Bartlett+untuk+mengetahui+homogenitas+ragam.+Kemudian%0D%0Adianalisis+dengan+analisis+ragam%2C+lalu+diuji+lanjut+dengan+uji+beda+nyata+terkecil.%0D%0ATaraf+nyata+yang+digunakan+dalam+semua+pengujian+tersebut+adalah+5%25.+Hasil%0D%0Apenelitian+menunjukkan+bahwa+zat+alelopati+alang-alang+berpengaruh+terhadap%0D%0Apertumbuhan+semai+akasia%2C+mangium%2C+dan+akasia+putih.+Berdasarkan+uji+BNT%0D%0Apada+taraf+nyata+5%25+diketahui+bahwa+konsentrasi+alelopati+alang-alang+yang%0D%0Aberpengaruh+negatif+paling+kuat+terhadap+pertumbuhan+semai+adalah+konsentrasi%0D%0A100%25.+Jenis+pohon+fase+semai+yang+paling+tahan+terhadap+alelopati+dari+alangalang%0D%0Aadalah+semai+mangium.+Dari+uji+analisis+ragam+diketahui+terdapat+interaksi%0D%0Aantara+jenis+pohon+fase+semai+dengan+konsentrasi+zat+alelopati+alang-alang+yang%0D%0Amemengaruhi+pertumbuhan+tinggi%2C+jumlah+daun%2C+dan+persentase+hidup+semai.%0D%0AKata+kunci+%3A+alelopati%2C+alang-alang%2C+dan+akasia%0D%0A%0D%0A%0D%0AAbstrak+Bahasa+Inggris%0D%0A%0D%0AAllelopathy+is+the+compound+released+by+the+plants+(example%3A+blady+grass)+to+the%0D%0Aenvirontment+and+where+another+plants+is+living+and+could+obstruct+or+extinguish%0D%0Ato+another+plants.+The+purpose+of+research+were+to+figure+out+the+effect+of%0D%0Aallelopathy+from+the+blady+grass+toward+the+species+of+acacia+seedlings%2C+to+figure%0D%0Aout+the+weakest+affected+seedling+species+by+blady+grass+allelopathy%2C+and+to+figure%0D%0Aout+interaction+between+concentration+of+extracted+blady+grass+and+seedling+tree%0D%0Aspecies.+The+research+was+designed+based+on+factorial+in+a+complete+random%0D%0Adesign.+Factor+I+was+the+seedlings%2C+consisted+of+acacia%2C+mangium%2C+and+acacia+alba%2C%0D%0Awhile+factor+II+was+concentration+of+extracted+blady+grass+allelopathy%2C+consisted+of%0D%0Anon+extracted+allelopathy%2C+extracted+allelopathy+25%25%2C+extracted+allelopathy+50%25%2C%0D%0Aextracted+allelopathy+75%25%2C+and+extracted+allelopathy+100%25.+Every+treatment+was%0D%0Arepeated+5+times.+The+number+of+the+seedlings+for+each+experimental+unit+was+2%0D%0Aseedings.+The+observed+variables+were+height%2C+diameter+of+the+stem%2C+number+of%0D%0Aleaves%2C+and+living+percentage+of+the+seedlings.+This+observation+data+was+tested%0D%0Aby+Bartlett+test+to+find+the+variance+homogenity.+Then+it+was+analyzed+by+using%0D%0Avariance+analysis%2C+and+tested+by+least+significant+difference+(LSD).+The%0D%0Acalculation+were+done+at+5%25+significant+level.+The+result+of+this+research+showed%0D%0Athat+allelopathy+of+blady+grass+were+significant+to+the+growth+of+acacia%2C+mangium%0D%0Aand+acacia+alba+seedlings.+Based+on+the+LSD+at+5%25+was+known+that+the%0D%0Aconcentrate+of+blady+grass+allelopathy+had+strongest+negative+effect+to+the+growth%0D%0Aseedlings+was+100%25.+Seedling+that+was+the+most+resistant+to+the+allelopathy+of%0D%0Ablady+grass+is+mangium+seedling.+It+was+known+from+the+analysis+of+variance+test%0D%0Athere+was+an+interaction+between+the+seedling+and+the+concentration+of+blady+grass%0D%0Aallelopathy+that+effect+the+height%2C+leaves+number%2C+living+percentage+of+seedlings.%0D%0AKey+words+%3A+allelopathy%2C+baldy+grass%2C+and+acacia&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2015-11-19&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15717%2F106%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15717%2F107%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F15717%2F2%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2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