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Authors: Yayuk Purwaningrum 1 ; Yenni Asbur 1 and Chairani Hanum 2

Affiliations: 1 Department of Agrotechnology, Faculty of Agriculture, Universitas Islam Sumatera Utara, Jalan Karya Wisata Gedung Johor, Medan 20144, Indonesia, Indonesia ; 2 Department of Agroecotechnology, Faculty of Agriculture, University Sumatera Utara. Jalan Prof.A.Sofyan No.3 Kampus USU Medan – 2015, Indonesia

Keyword(s): Exploitation System, Oldeman climate, Hevea brasiliensis.

Abstract: Slow and quick starter clones were used for long-term productivity stability on rubber plantation. Each clone has different characteristics. Therefore, it is necessary to conduct research on exploitation system according to Oldeman climate type in order to increase the latex productivity. The research was conducted in two locations, namely Sungai Putih Experimental Farm, Rubber Research Centre and Sungai Putih Farm, PT. Perkebunan Nusantara III (Persero). Both locations are located in District of Galang, Regency of Deli Serdang on 25 m above sea level with Ultisol soil type. Rubber tree material are planting in the year of 1999, with spacing of 2.5m x 5m, clones representing Quick starter K1 (PB 260) and Slow starter K2 (BPM1). This research uses primary and secondary data. Primary data is field experiment using Nested Design. Secondary data was obtained from PTPN III Sungai Putih that has the average of monthly rainfall data for 13 years (2002 - 2015). Tapping system was consisted of 2 treatments namely half-spiral downward tapping system (S/2) and upward tapping system (S/2U). The treatments consisted of two levels: P1: ethepon 2.5% applied once for 15 days (ET / 15d), P2: gas stimulant applied once and once for 27 days (ETG 27d). Every treatment used 75 trees with girth 65 cm - 70 cm. The results showed that based on Oldeman climate type, tapping system S/2U d3 ET/15d is suitable for clone BPM 1 and S/2 d3 ET/15d for clone PB 260. (More)

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Paper citation in several formats:
Purwaningrum, Y.; Asbur, Y. and Hanum, C. (2020). Exploitation System Model of Slow and Quick Starter Clones under Oldeman Climate Type. In Proceedings of the 7th International Conference on Multidisciplinary Research - ICMR; ISBN 978-989-758-437-4; ISSN 2184-5166, SciTePress, pages 250-253. DOI: 10.5220/0008888202500253

@conference{icmr20,
author={Yayuk Purwaningrum. and Yenni Asbur. and Chairani Hanum.},
title={Exploitation System Model of Slow and Quick Starter Clones under Oldeman Climate Type},
booktitle={Proceedings of the 7th International Conference on Multidisciplinary Research - ICMR},
year={2020},
pages={250-253},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0008888202500253},
isbn={978-989-758-437-4},
issn={2184-5166},
}

TY - CONF

JO - Proceedings of the 7th International Conference on Multidisciplinary Research - ICMR
TI - Exploitation System Model of Slow and Quick Starter Clones under Oldeman Climate Type
SN - 978-989-758-437-4
IS - 2184-5166
AU - Purwaningrum, Y.
AU - Asbur, Y.
AU - Hanum, C.
PY - 2020
SP - 250
EP - 253
DO - 10.5220/0008888202500253
PB - SciTePress