?url_ver=Z39.88-2004&rft_id=1214151002&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=RESPON+PERKECAMBAHAN+BENIH+KEMIRI+SUNAN+(Reutealis+trisperma)+TERHADAP+SKARIFIKASI+KIMIA+DENGAN+ASAM+SULFAT+(H2SO4)+PADA+BERBAGAI+LAMA+WAKTU+PERENDAMAN&rft.creator=AHMAD+DENI+ISMAIL+%2C+1214151002&rft.subject=Kehutanan&rft.description=%0D%0ALama+waktu+perendaman+dan+besaran+konsentrasi+asam+yang+ditentukan+merupakan+faktor+penentu+dalam+keberhasilan+skarifikasi+kimia.++Lama+waktu+perendaman+harus+disesuaikan+dengan+tingkat+ketebalan+kulit+benih%2C+besaran+konsentrasi+asam+yang+ditentukan+dan+jenis+asam+yang+digunakan.++Penelitian+ini+bertujuan+untuk+mengetahui+pengaruh+perendaman+benih+kemiri+sunan+dalam+larutan+asam+sulfat+terhadap+pemecahan+dormansi+benih+dan+mendapatkan+lama+waktu+perendaman+yang+paling+efektif+dalam+rangka+pemecahan+dormansi+benih+kemiri+sunan.++Percobaan+dilakukan+di+rumah+kaca+selama+2+bulan+(62+hari).++Rancangan+percobaan+yang+digunakan+adalah+rancangan+acak+lengkap+dengan+4+perlakuan+yang+terdiri+dari+(1)+kontrol+(tanpa+perendaman+dalam+larutan+H2SO4+20%25)%3B++(2)+perendaman+dalam+larutan+H2SO4+20%25+selama+10+menit%3B+(3)++perendaman+dalam+larutan+H2SO4+20%25+selama+20+menit+dan+(4)+perendaman+dalam+larutan+H2SO4+20%25+selama+30+menit.++Hasil+penelitian+menunjukkan+bahwa+benih+yang+dikecambahkan+pada+perlakuan+tanpa+perendaman+memberikan+hasil+terbaik+dalam+hal+persentase+benih+berkecambah%2C+rata-rata+jumlah+benih+berkecambah+per-hari%2C+dan+rata-rata+hari+benih+berkecambah.%0D%0A%0D%0AKata+kunci+%3A++asam+sulfat%2C+dormansi%2C+perkecambahan%2C+R.+trisperma%2C+skarifikasi.++%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0A%0D%0A%0D%0AThe+duration+of+submersion+and+the+level+of+acid+concentration+which+are+the+decisive+factor+to+succeed+the+chemical+scarification.++The+duration+of+submersion+should+be+adjusted+to+the+level+of+seed+skin+thickness%2C+the+level+of+acid+concentration+and+the+type+of+acid+used.++This+study+aimed+to+analyze+the+inmersion+effect+of+kemiri+sunan+seeds+in+sulfuric+acid+solution+to+break+the+seed+dormancy+and+to+get+the+most+effective+time+of+submersion+in+order+to+break+the+dormancy+of+kemiri+sunan+seed.++The+experiment+was+conducted+in+the+greenhouse+for+2+months+(62+days).++The+randomized+complete+design+was+employed+as+experimental+method.++There+were+4+treament+tested%2C+i.e+%3A++(1)+control+(without+immersion+in+H2SO4+solution)%3B++(2)+immersion+in+H2SO4+solution+for+10+minutes%3B++(3)+immersion+in+H2SO4+solution+for+20+minutes+and+(4)+immersion+in+H2SO4+solution+for+30+minutes.++The+results+of+research+showed+that+control+gave+the+best+results+in+term+of+the+percentage+of+germination%2C+mean+daily+gremination%2C+and+germination+rate.%0D%0A%0D%0AKeywords%3A+dormancy%2C+germination%2C+R.+trisperma%2C+scarification%2C+sulfuric+acid.%0D%0A%0D%0A&rft.publisher=FAKULTAS+PERTANIAN+&rft.date=2018-04-16&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31605%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31605%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31605%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++AHMAD+DENI+ISMAIL+%2C+1214151002++(2018)+RESPON+PERKECAMBAHAN+BENIH+KEMIRI+SUNAN+(Reutealis+trisperma)+TERHADAP+SKARIFIKASI+KIMIA+DENGAN+ASAM+SULFAT+(H2SO4)+PADA+BERBAGAI+LAMA+WAKTU+PERENDAMAN.++FAKULTAS+PERTANIAN+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F31605%2F