?url_ver=Z39.88-2004&rft_id=2014151049&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=IDENTIFIKASI+KERUSAKAN+BIBIT+POHON+OLEH+HAMA+DAN+PENYAKIT+DI+PESEMAIAN+PT+BUKIT+ASAM+UNIT+PELABUHAN+TARAHAN+KOTA+BANDAR+LAMPUNG&rft.creator=ERNI+%2C+HUTASOIT+&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Rehabilitasi+lahan+pascapenambangan+membutuhkan+bibit+pohon+yang+sehat%2C+yaitu+bibit+yang+tidak+terserang+hama+maupun+penyakit.+Kondisi+kesehatan+bibit+pohon+dapat+diketahui+dari+jenis-jenis+kerusakan+pada+organ+bibit+sebagai+tanda+adanya+serangan+hama+dan+penyakit.+Oleh+karena+itu%2C+identifikasi+kerusakan+bibit+pohon+di+pesemaian+PT+Bukit+Asam+Unit+Pelabuhan+Tarahan+bertujuan+untuk+mengetahui+jenis-jenis+kerusakan+oleh+hama+dan+penyakit%2C+kerusakan+mutlak%2C+dan+tingkat+ke-rusakan+bibit+pohon.+Pengamatan+tanda+dan+gejala+serangan+hama+dan+penyakit+dilakukan+pada+16+plot+sampel+yang+masing-masing+berukuran+1+m+x+1+m+dengan+metode+sampling+klaster+sistematik.+Hasil+penelitian+menunjukkan+jenis-jenis+ke-rusakan+yang+disebabkan+oleh+hama+yaitu+daun+berlubang+dan+daun+menggulung.+Jenis-jenis+kerusakan+yang+disebabkan+oleh+penyakit+yaitu+bercak+daun%2C+gugur+daun%2C+daun+menguning%2C+dan+kanker+batang.+Setelah+dilakukan+analisis+data+di-ketahui+intensitas+kerusakan+mutlak+bibit+pohon+di+pesemaian+PT+Bukit+Asam+Unit+Pelabuhan+Tarahan+yaitu+sebesar+77%2C57%25.+Intensitas+kerusakan+mutlak+tertinggi+yaitu+pada+bibit+pohon+pucuk+merah+(Eugenia+oleana)%2C+tabebuya+ungu+(Handroanthus+impetiginosus)%2C+durian+(Durio+zibethinus)%2C+pala+(Myristica+fragrans)%2C+glodokan+tiang+(Polyalthia+longifolia)%2C+eboni+(Diospyros+celebica)%2C+dan+ketapang+(Terminalia+catappa)+yaitu+sebesar+100%25.+Intensitas+kerusakan+mutlak+terendah+yaitu+pada+bibit+pohon+cemara+laut+(Casuarina+equisetifolia)+sebesar+0%25.+Intensitas+kerusakan+nisbi+pada+bibit+pohon+di+pesemaian+PT+Bukit+Asam+Unit+Pelabuhan+Tarahan+yaitu+sebesar+21%2C21%25.+Intensitas+kerusakan+nisbi+yang+tertinggi+yaitu+bibit+pohon+ketapang+(Terminalia+catappa)+sebesar+48%25+dan+dikategorikan+dalam+tingkat+kerusakan+agak+berat.+Intensitas+kerusakan+nisbi+terendah+yaitu+bibit+pohon+cemara+laut+(Casuarina+equisetifolia)+sebesar+0%25+dan+dikategorikan+bibit+sehat.%0D%0AKata+kunci+%3A+bibit+pohon%2C+hama%2C+penyakit%0D%0A%0D%0APost-mining+land+rehabilitation+requires+healthy+tree+seedlings+that+are+not+infested+with+pests+or+diseases.+The+health+condition+of+tree+seedlings+can+be+known+from+the+types+of+damage+to+seedling+organs+as+a+sign+of+pest+and+disease+attack.+There-fore%2C+the+identification+of+damage+to+tree+seedlings+in+the+PT+Bukit+Asam+Unit+Pelabuhan+Tarahan+nursery+aims+to+determine+the+types+of+damage+by+pests+and+diseases%2C+absolute+damage%2C+and+the+level+of+damage+to+tree+seedlings.+Observation+of+signs+and+symptoms+of+pest+and+disease+attacks+was+conducted+on+16+sample+plots%2C+each+measuring+1+m+x+1+m%2C+using+the+systematic+cluster+sampling+method.+The+results+showed+that+the+types+of+damage+caused+by+pests+were+perforated+leaves+and+curled+leaves.+The+types+of+damage+caused+by+diseases+are+leaf+spot%2C+leaf+fall%2C+yellowing+leaves%2C+and+stem+cancer.+After+analyzing+the+data%2C+it+is+known+that+the+absolute+damage+intensity+of+tree+seedlings+in+the+PT+Bukit+Asam+Unit+Pelabuhan+Tarahan+nursery+is+77.57%25.+The+highest+absolute+damage+intensity+was+100%25+for+seedlings+of+red+shoots+(Eugenia+oleana)%2C+purple+tabebuya+(Handroanthus+impetiginosus)%2C+durian+(Durio+zibethinus)%2C+nutmeg+(Myristica+fragrans)%2C+glodokan+tiang+(Polyalthia+longifolia)%2C+ebony+(Diospyros+celebica)%2C+and+ketapang+(Terminalia+catappa).+The+lowest+absolute+damage+inten-sity+was+for+sea+pine+(Casuarina+equisetifolia)+seedlings+at+0%25.+The+relative+damage+intensity+of+tree+seedlings+in+the+PT+Bukit+Asam+Unit+Pelabuhan+Tarahan+nursery+was+21.21%25.+The+highest+relative+damage+intensity+was+ketapang+(Terminalia+catappa)+seedlings+at+48%25+and+was+categorized+as+moderately+severe.+The+lowest+relative+damage+intensity+was+sea+pine+(Casuarina+equisetifolia)+seedlings+at+0%25+and+categorized+as+healthy+seedlings.%0D%0AKey+words+%3A+tree+seedlings%2C+pests%2C+diseases&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2024-12-09&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82742%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82742%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82742%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++ERNI+%2C+HUTASOIT+++(2024)+IDENTIFIKASI+KERUSAKAN+BIBIT+POHON+OLEH+HAMA+DAN+PENYAKIT+DI+PESEMAIAN+PT+BUKIT+ASAM+UNIT+PELABUHAN+TARAHAN+KOTA+BANDAR+LAMPUNG.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F82742%2F