Evaluasi Sifat Fisik Tanah Terhadap Laju Infeksi Ganoderma di Perkebunan Kelapa Sawit(Studi Kasus : PT. PD. PATI)
Evaluation of Soil Physic in Relationship to Infection Rate of Ganoderma on Oil Palm Estate (Case Study : PT. PD. PATI)
DOI:
https://doi.org/10.32734/ja.v4i3.2158Keywords:
ganoderma, korelasi, laju infeksi, penyakit busuk pangkal batang, Proportional Purposive Random Sampling, regresi linier, uji asumsi klasikAbstract
Penyakit busuk pangkal batang (Ganoderma sp.) menurunkan produktifitas kelapa sawit di perkebunan kelapa sawit PT. PD. PATI. Perbaikan kondisi lingkungan tanah perlu dilakukan agar wilayah perakaran hingga pangkal batang dapat terhindar dari penyakit ini. Penelitian ini bertujuan untuk mengevaluasi sifat fisik tanah antara lain persentase fraksi liat, fraksi pasir, kelembaban tanah, dan kandungan karbon organik tanah terhadap laju infeksi penyakit busuk pangkal batang. Penelitian dilakukan di perkebunan kelapa sawit PT.PD.PATI dengan metode survey. Sampel diambil dengan metode proportional purposive random sampling. Data diuji dengan asumsi data klasik, analisis korelasi dan analisis regresi. Hasil penelitian menunjukkan laju infeksi penyakit busuk pangkal batang dipengaruhi oleh kelembaban tanah tetapi tidak dipengaruhi oleh fraksi liat, debu dan kandungan karbon organik tanah.
Basal stem rot causes in the decline in the productivity of oil palm of PT. PD. PATI estate. Environtmental control should be taken to prevent the infection in root area to basal stem. This research is aimed to evaluate relationship soil physic properties such as clay fraction percentage, sand fraction percentage, soil moisture and C-organic content to infection rate of basal stem rot. This research was conducted by survey methode. Sampling datas by using proportional purposive random sampling. Data is tested by correlation analyze and regression analyze, has the results show that regression linier and correlation analyze relationship soil moisture and infection rate basal stem rot (Ganoderma sp.).
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