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Possibility to Reduce Drudgery and Time in Harvesting Individual Ripe Fruits of Jatropha curcas Linn by Whole Bunch Harvesting Silip, Jupikely James; Tambunan, Armansyah H.; Hambali, Erliza; Sutrisno, ,; Surahman, Memen
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 38, No 2 (2010): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

<!-- /* Font Definitions */ @font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4; mso-font-charset:0; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:-1610611985 1073750139 0 0 159 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin-top:0cm; margin-right:0cm; margin-bottom:10.0pt; margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:Calibri; mso-fareast-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman"; mso-ansi-language:IN; mso-no-proof:yes;} @page Section1 {size:612.0pt 792.0pt; margin:72.0pt 90.0pt 72.0pt 90.0pt; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> A study was conducted to determine Jatropha fruits ripening uniformity on its tree and bunches characteristics. To get more information about its ripening off, the tree characteristics a respiration pattern was determined. The data were collected on fi  ve trees for each ten selected accessions (n=50) for fruit ripening uniformity on its trees study and fi  fteen bunches for each seven selected accessions (n=105) for fruits bunches ripening uniformity study at two jatropha pilot projects at Sabah state of Malaysia at the end of March 2009 when the trees were exactly one year old. This study confi  rmed that heterogeneous ripening occured in all jatropha accessions and within individual jatropha bunches. Respiration tests confi  rmed that jatropha is a climacteric fruit. The results showed an upsurge in CO2 production at the end of ripening and at the beginning of senescence. This study has  revealed indications of the possibility to harvest jatropha fruit in bunches rather than harvesting individual ripe fruit, which could potentially improve harvest effi ciency by reducing harvesting time and drudgery. Keywords: ripening, respiration rate, post-harvest, climacteric
Seleksi Pohon Induk Teh dari Tanaman Muda Asal Biji Propellegitim Sriyadi, Bambang; Astika, W.; Muchtar, D.; Sutrisno, ,
Zuriat Vol 2, No 1 (1991)
Publisher : Zuriat

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Abstract

Seleksi pohon induk untuk hasil yang tinggi dan didukung oleh komponen hasil yang maksimal diharapkan akan lebih mantap dipertahankan pada keturunan vegetatifnya. Seleksi dilakukan di KP. Pasir Sarongge terhadap tanaman asal biji klon PS 1 dan TRI 2024 dari kebun biji poliklonal. Pengamatan produksi per perdu dilakukan sebelum dan sesudah pemangkasan yang pertama. Fungsi diskriminan disusun dengan menggunakan tiga komponen hasil, yaitu jumlah pucuk, bobot pucuk p+2, dan persentase pucuk peko per perdu setiap petikan. Hasil penelitian menunjukkan bahwa jumlah pucuk mempunyai koefisien indeks yang terbesar dalam menentukan nilai diskriminan, kemudian diikuti oleh bobot pucuk p+2 dan persentase pucuk peko. Dari hasil seleksi yang didasarkan atas teori fungsi diskriminan dan dipadukan dengan potensi hasil per perdu, telah terpilih 20 perdu yang mempunyai potensi hasil tinggi dan didukung oleh komponen hasil secara maksimal masing-masing yaitu 11 perdu dari biji klon TRI 2024 dan 9 perdu dari PS 1.
Possibility to Reduce Drudgery and Time in Harvesting Individual Ripe Fruits of Jatropha curcas Linn by Whole Bunch Harvesting Silip, Jupikely James; Tambunan, Armansyah H.; Hambali, Erliza; Sutrisno, ,; Surahman, Memen
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 38, No 2 (2010): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy

Show Abstract | Original Source | Check in Google Scholar

Abstract

<!-- /* Font Definitions */ @font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4; mso-font-charset:0; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:-1610611985 1073750139 0 0 159 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin-top:0cm; margin-right:0cm; margin-bottom:10.0pt; margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:Calibri; mso-fareast-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman"; mso-ansi-language:IN; mso-no-proof:yes;} @page Section1 {size:612.0pt 792.0pt; margin:72.0pt 90.0pt 72.0pt 90.0pt; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> A study was conducted to determine Jatropha fruits ripening uniformity on its tree and bunches characteristics. To get more information about its ripening off, the tree characteristics a respiration pattern was determined. The data were collected on ?? ve trees for each ten selected accessions (n=50) for fruit ripening uniformity on its trees study and ?? fteen bunches for each seven selected accessions (n=105) for fruits bunches ripening uniformity study at two jatropha pilot projects at Sabah state of Malaysia at the end of March 2009 when the trees were exactly one year old. This study con?? rmed that heterogeneous ripening occured in all jatropha accessions and within individual jatropha bunches. Respiration tests con?? rmed that jatropha is a climacteric fruit. The results showed an upsurge in CO2 production at the end of ripening and at the beginning of senescence. This study has? revealed indications of the possibility to harvest jatropha fruit in bunches rather than harvesting individual ripe fruit, which could potentially improve harvest ef? ciency by reducing harvesting time and drudgery. Keywords: ripening, respiration rate, post-harvest, climacteric