Keragaan Agronomi Tanaman Kelapa Sawit pada  Cekaman Kering Periodik

Evizal, Rusdi; Wibowo, Lestari; Novpriasyah, Hery; Sarno,; Sari, Rina Yunika; Prasmatiwi, Fembriarti Erry

doi:10.23960/jtur.vol2no1.2020.79

Cited by 8 publications

(8 citation statements)

References 5 publications

(5 reference statements)

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“…masih berlangsung dengan baik. Hal ini sesuai dengan hasil pengamatan Evizal et al (2020) pada pertumbuhan kelapa sawit di musim kemarau. Kelapa sawit yang berumur 3-8 tahun masih memiliki tegakan normal, dengan daun yang rusak kurang dari satu pelepah, sedangkan kelapa sawit yang berumur 9-13 tahun memiliki tegakan dengan daun yang rusak 1-2 pelepah.…”

Section: Hasil Dan Pembahasan Habitat P Henryana DI Kebun Raya Bogorunclassified

KAJIAN KESESUAIAN HABITAT DAN IDENTIFIKASI SERANGAN HAMA PENYAKIT PADA Pelagodoxa henryana Becc.: STUDI KASUS DI KEBUN RAYA BOGOR

Wardani¹,

Astuti²,

Witono³

et al. 2022

BKR

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Pelagodoxa henryana Becc. (Arecaceae) berasal dari Pulau Marquesas (Polinesia Perancis). Menurut Daftar Merah IUCN, status konservasi jenis ini adalah kritis (Critically Endangered-CR). Pertumbuhan enam spesimen koleksi ini di Kebun Raya Bogor (KRB) mengalami kendala karena faktor lingkungan. Tujuan penelitian ini adalah menganalisis kesesuaian habitat dan identifikasi hama penyakit yang menyerang P. henryana di KRB. Data lingkungan tumbuh diperoleh dari Unit Registrasi KRB dan observasi langsung. Data tanah diperoleh dari hasil analisis sembilan sampel tanah dari lokasi tumbuh palem ini di KRB. Data hama penyakit dikumpulkan melalui pengamatan langsung. Seluruh data dianalisis secara deskriptif. Hasil penelitian menunjukkan bahwa kondisi lingkungan di KRB menyerupai habitat alami palem ini, kecuali faktor naungan saja, sehingga perlu pemberian naungan agar paparan sinar matahari pada P. henryana dapat terjadi secara bertahap. Berdasarkan hasil analisis tanah, status kesuburan dan tekstur tanah di KRB kurang cocok untuk P. henryana, sehingga diperlukan pemberian pupuk dengan rasio N:P:K:Mg = 2:1:3:1, pemberian mulsa pada pangkal batang, dan pemberian kapur pertanian. Ada beberapa hama dan penyakit yang ditemukan pada palem ini, namun demikian kumbang janur dan kumbang nipah merupakan hama yang memberikan serangan yang paling signifikan. Kedua kumbang tersebut dapat dikendalikan dengan pemberian belerang dengan dosis satu sendok makan per liter air pada pucuk koleksi dengan gejala dan menginjeksikan pestisida dengan bahan aktif asefat 75% (AMCOTHENE 75 SP) dengan dosis 20 ml/pohon. Pemeliharaan rutin dapat dilakukan dengan memotong bagian-bagian tumbuhan yang sudah mati dan berwarna kecokelatan dengan hati-hati.

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Section: Hasil Dan Pembahasan Habitat P Henryana DI Kebun Raya Bogorunclassified

KAJIAN KESESUAIAN HABITAT DAN IDENTIFIKASI SERANGAN HAMA PENYAKIT PADA Pelagodoxa henryana Becc.: STUDI KASUS DI KEBUN RAYA BOGOR

Wardani¹,

Astuti²,

Witono³

et al. 2022

BKR

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“…Relation of Water deficit and bunch production on OPD, BBC, and actual Low rainfall followed by a high-water deficit has a negative impact in decreasing bunch number for all palm ages [16,43]. Carr [9] reported that water stress by cause of water deficit every 100 mm can reduce 10% of oil palm production.…”

Section: Figurementioning

confidence: 99%

Application of Oil Palm Dissection Method to Predict Bunch Production in Commercial-Scale Oil Palm Plantation

Sukarman¹,

Saidy²,

Rusmayadi³

et al. 2022

Advances in Biological Sciences Research

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Prediction of the annual oil palm yield is an important decision-making tool in harvesting operational management, management of Palm Oil Mill (POM), trading of Crude Palm Oil (CPO) and its derivative products along with management of POM waste. The palm census method has a better accuracy rate than using previous year's production data. Calculation the bunch number on the tree is used as an annual prediction by using the Oil Palm Dissection (OPD) method. OPD is carried out to calculate the number of inflorescence and bunches as a basis for predicting bunches for the next 18 months. The purpose of this study is to analyze the application of the commercial scale OPD in bunch prediction activities in oil palm plantations. This research was conducted on oil palm aged 13 -15 years (plateau yield phase). The research stages include sample selection, tree dissection, inflorescence and bunch modeling, as well as testing the accuracy of the OPD compare to actual production. Prediction-accuracy test uses Mean Absolute Percentage Error (MAPE). The accuracy of OPD in predicting the bunch number is 70% (feasible criteria) and the prediction of oil palm yields production is 81% (good criteria) in oil palm plantations on a commercial scale. Prediction of OPD needs to consider some correction factors such as climate, environment, Average Bunch Weight (ABW), palm age, and soil type, to improve the validation result and accuracy of predictions. The percentage of error in the bunch number between 10 -32% of the OPD prediction can be combined with other factors to determine the value of the correction factor for bunch loss and oil palm yield production.

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“…1, 2021: 58-67 dan pelepah kering lebih sedikit dibandingkan tanaman dewasa. Pada musim kemarau yang panjang, gejala visual yang parah akan terlihat yaitu daun-daun yang menjadi kering dan patah (Darlan et al, 2016;Evizal et al, 2020). Hal ini sesuai dengan hasil penelitian ini bahwa pemberian irigasi dapat menekan jumlah pelepah patah dan kering pada kelapa sawit.…”

Section: Pertumbuhanunclassified

Pengaruh Irigasi terhadap Pertumbuhan dan Produksi Kelapa Sawit

Evizal

Sari

Saputra

et al. 2021

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Growth and yield of oil palm is largely determined by climatic conditions especially in the dry season. The purpose of this study was to determine the effect of planting date and irrigation in the dry season of 2015 on the growth and production of palm oil in 2016. The data collecting was conducted from June to October 2016 at a plantation company, Southern Lampung. Treatments were arranged by factorial (3x2) in randomized block design with 7 replications. The first factor was age categories consisted of mature trees planted 2001 (TD 2001), young trees planted 2009 (TM 2009), and young trees planted 2010 (TM 2010). The second factor was irrigation (no irrigation and with irrigation). The irrigation used was bulk irrigation with rotation of once in a weeks during dry season (September-October). Observed variables were number of broken frond, spear frond, dried frond, female inflorencence, and bunches yield. Data was analyzed by analysis of the variance (ANOVA), and the differences of the mean were analyzed by Tuckey at 5% level of significant difference. Irrigation decreased number of broken frond and dry frond. Irrigation increased fresh fruit bunch yield of certain months in current and next year. Age categories (young and mature) had no signicantly effect on number of bunch and fresh fruit bunch per tree. However there was interaction between age categories and irrigation on the average of bunch weight. Keywords : growth, oil palm, rainfall, water deficit, yield

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Keragaan Agronomi Tanaman Kelapa Sawit pada Cekaman Kering Periodik

Cited by 8 publications

References 5 publications

KAJIAN KESESUAIAN HABITAT DAN IDENTIFIKASI SERANGAN HAMA PENYAKIT PADA Pelagodoxa henryana Becc.: STUDI KASUS DI KEBUN RAYA BOGOR

KAJIAN KESESUAIAN HABITAT DAN IDENTIFIKASI SERANGAN HAMA PENYAKIT PADA Pelagodoxa henryana Becc.: STUDI KASUS DI KEBUN RAYA BOGOR

Application of Oil Palm Dissection Method to Predict Bunch Production in Commercial-Scale Oil Palm Plantation

Pengaruh Irigasi terhadap Pertumbuhan dan Produksi Kelapa Sawit

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