Identifikasi dan Tingkat Keparahan Penyakit Mati Pucuk pada Semai Sengon di Persemaian Permanen Dramaga Bogor
Abstract
Sengon merupakan salah satu komoditas tanaman kehutanan yang digemari
masyarakat. Sehingga pengadaan semai sehat di persemaian sangat penting
dilakukan dalam upaya mencapai keberhasilan tanam. Namun, sengon sangat
rentan terhadap beberapa penyakit. Salah satu penyakitnya yaitu penyakit mati
pucuk di persemaian. Penelitian ini bertujuan menghitung kejadian penyakit dan
keparahan penyakit mati pucuk pada semai sengon di Persemaian Permanen
Dramaga Bogorserta mengidentifikasi jenis patogen penyebab penyakit mati pucuk
pada semai sengon. Metode pengambilan data dilakukan menggunakan metode
sensus dan skoring. Selain itu, proses identifikasi dilakukan di bawah mikroskop
cahaya dengan perbesaran 40x10. Analisis data dilakukan menggunakan analisis
deskriptif. Persentase kejadian penyakit dan keparahan penyakit mati pucuk pada
semai sengon berturut-turut sebesar 10,809% dan 73,764% yang mana keparahan
penyakit dinyatakan berat. Berdasarkan hasil identifikasi, cendawan Rhizoctonia sp.
diduga sebagai penyebab penyakit mati pucuk pada semai sengon. Sengon is one of the forestry plant commodities favored by the community.
So that the provision of healthy seedlings in the nursery is significant to achieve
successful planting. However, sengon is very susceptible to several diseases. One
of the diseases is dieback in the nursery. This study aims to calculate the incidence
and severity of shoot death in sengon seedlings in Persemaian Permanen Dramaga
Bogor and identify the types of pathogens that cause dieback in sengon seedlings.
Methods of data collection carried out using the census and scoring methods. In
addition, the identification process carried out under a light microscope with a
magnification of 40x10. Data analysis performed using descriptive analysis. The
percentage of disease incidence and dieback severity in sengon seedlings were
10.809% and 73.764%, where the severity of the disease is declared as severe.
Based on the identification results, the fungus Rhizoctonia sp. is suspect as the
cause of dieback in sengon seedlings.
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- UT - Silviculture [1275]