?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Kompetisi+Jenis+dan+Populasi+Gulma+%0D%0ATerhadap+Pertumbuhan+Tanaman+Kakao+Muda%0D%0A(Theobroma+cacao)&rft.creator=0814013224%2C+Verpi+Marlina&rft.subject=+&rft.description=Abstrak%0D%0A%0D%0AKeberadaan+gulma+di+lahan+pertanaman+akan+menyebabkan+pertumbuhan+awal%0D%0Atanaman+tebu+kurang+maksimal.+Besarnya+penurunan+ini+dipengaruhi+oleh+jenis%0D%0Agulma+dan+populasi+gulma.%0D%0APercobaan+ini+dilaksanakan+di+Kebun+Percobaan+Kabupaten+Lampung+Selatan%2C%0D%0ALaboratorium+Gulma%2C+dan+Laboratorium+Benih+Universitas+Lampung+mulai+bulan%0D%0AOktober+2011+sampai+bulan+Februari+2012.+Percobaan+ini+disusun+dalam%0D%0ARancangan+Petak+Berjalur+dengan+3+ulangan.+Perlakuan+disusun+secara+faktorial%0D%0A(5x4).+Faktor+pertama+adalah+5+jenis+gulma+(Asystasia+gangetica%2C+Borreria+alata%2C%0D%0APaspalum+conjugatum%2C+Setaria+plicata%2C+dan+Cyperus+rotundus)+dan+faktor+kedua%0D%0Aadalah+populasi+gulma+(0%2C+20%2C+40%2C+dan+60+gulma%2Fm2).+Homogenitas+data+diuji%0D%0Adengan+uji+Bartlett+dan+aditivitas+data+diuji+dengan+uji+Tukey.+Bila+asumsi%0D%0Aterpenuhi%2C+data+dianalisis+ragam+dan+dilanjutkan+dengan+uji+beda+nyata+terkecil%0D%0A(BNT)+pada+taraf+5%25.+Penelitian+ini+bertujuan+untuk+mempelajari%3A+(1)+pengaruh%0D%0Abeberapa+jenis+gulma+terhadap+pertumbuhan+awal+tebu+(2)+pengaruh+kepadatan%0D%0Apopulasi+gulma+terhadap+perumbuhan+awal+tanaman+tebu%3B+(3)+interaksi+jenis+dan%0D%0Akepadatan+populasi+gulma+dalam+mempengaruhi+pertumbuhan+awal+tanaman+tebu.%0D%0AHasil+penelitian+menunjukkan+bahwa%3A+(1)+Setaria+plicata+pada+populasi+60%0D%0Agulma%2Fm2+mampu+menekan+populasi+tanaman+tebu+pada+umur+4+dan+6+MST.+(2)%0D%0Agulma+pada+populasi+20%2C+40%2C+dan+60+gulma%2Fm2+mampu+menekan+jumlah+daun+pada%0D%0Aumur+8+dan+12+MST+serta+populasi+tanaman+pada+umur+8+dan+12+MST.+(3)+terjadi%0D%0Ainteraksi+antara+jenis+dan+populasi+gulma+dalam+menekan+tinggi+tanaman+pada%0D%0Aumur+8+dan+12+MST%2C+populasi+tanaman+pada+umur+4+dan+6+MST%2C+persentase%0D%0Apentupan+gulma+4+dan+12+MST%2C+dan+bobot+kering+tebu.%0D%0AKata+kunci%3A+Kompetisi+Tanaman+Tebu%2C+Asystasia+gangetica%2C+Borreria+alata%2C%0D%0APaspalum+conjugatum%2C+Setaria+plicata%2C+dan+Cyperus+rotundus.%0D%0AAbstract%0D%0A%0D%0AThe+presence+of+weeds+in+crop+fields+will+lead+to+the+early+growth+of+sugarcane%0D%0Aless+than+the+maximum.+The+magnitude+of+this+decrease+is+influenced+by+the+types%0D%0Aof+weeds+and+weed+population.%0D%0AThe+experiment+was+conducted+in+South+Lampung+Regency+Garden+Experiments%2C%0D%0ALaboratory+of+Weed+and+Seed+Laboratory+of+the+University+of+Lampung+starting%0D%0Ain+October+2011+to+February+2012.+Experimental+plots+are+arranged+in+a+ribbed%0D%0Adesign+with+3+replications.+The+treatments+are+arranged+in+a+factorial+(5x4).+The%0D%0Afirst+factor+is+the+5+types+of+weeds+(Asystasia+gangetica%2C+Borreria+alata%2C%0D%0Aconjugatum+Paspalum%2C+Setaria+plicata%2C+and+Cyperus+rotundus)+and+the+second%0D%0Afactor+is+the+weed+population+(0%2C+20%2C+40%2C+and+60+gulma%2Fm2).+Homogeneity+of+data%0D%0Awas+tested+with+Bartlett+test+and+additivity+of+data+were+tested+with+Tukey+test.+If%0D%0Athe+assumptions+are+met%2C+data+were+analyzed+and+followed+by+a+variety+of+different%0D%0Atest+real+smallest+(LSD)+at+the+level+of+5%25.+This+study+aimed+to+study%3A+(1)+the%0D%0Ainfluence+of+some+weed+species+on+early+growth+of+sugarcane+(2)+the+influence+of%0D%0Aweed+population+density+of+the+initial+perumbuhan+sugarcane%2C+(3)+interaction+of%0D%0Aspecies+and+population+density+affect+early+growth+of+weeds+in+sugarcane.%0D%0AThe+results+showed+that%3A+(1)+Setaria+plicata+in+a+population+of+60+gulma%2Fm2+able+to%0D%0Asuppress+populations+of+sugarcane+at+the+age+of+4+and+6+MST.+(2)+weed%0D%0Apopulations+20%2C+40%2C+and+60+gulma%2Fm2+able+to+suppress+the+number+of+leaves+at+the%0D%0Aage+of+8+and+12+MST+and+plant+population+at+the+age+of+8+and+12+MST.+(3)+the%0D%0Ainteraction+between+species+and+weed+populations+in+suppressing+plant+height+at%0D%0Athe+age+of+8+and+12+MST%2C+plant+population+at+the+age+of+4+and+6+MST%2C+the%0D%0Apercentage+of+weeds+pentupan+4+and+12+MST%2C+and+the+dry+weight+of+sugar+cane.%0D%0AKeywords%3A+Sugarcane+Crop+Competition%2C+Asystasia+gangetica%2C+Borreria+alata%2C%0D%0Aconjugatum+Paspalum%2C+Setaria+plicata%2C+and+Cyperus+rotundus.%0D%0A+Patrice+Dwita+Siagia&rft.date=2012-01-04&rft.type=Skripsi&rft.type=PeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F12441%2F1%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F12441%2F2%2FABSTRAK%2520OK%2520%2520SKRIPSI%2520ICE.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F12441%2F3%2FCOVER%2520Patrice.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F12441%2F4%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F12441%2F5%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F12441%2F6%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