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Mochlisin Andriyanto
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PENGGUNAAN SENYAWA OSMOLIT DAN ALKALIN PADA PENYADAPAN TANAMAN KARET (Hevea brasiliensis) Mochlisin Andriyanto; Miftahul Huda Fendiyanto
Jurnal Agro Estate Vol 3 No 2 (2019): Desember 2019
Publisher : Institut Teknologi Sawit Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (437.826 KB) | DOI: 10.47199/jae.v3i2.101

Abstract

Stimulants are one of the common ways to increase yield in rubber plants. Recent, the stimulant that is widely used in rubber tapping is ethephon. Ethephon material can prolong the flow of latex so that yield increases. The combination of osmolyte and alkaline compounds is expected to be an alternative stimulant. Therefore, this study aimed to examine the use of osmolytes and alkaline in rubber plants. This research was conducted at the Experimental Design of the Sungei Putih Estate Research, Deli Serdang, North Sumatra in May-September 2016 with PB 260 clones planting year 2010 with a tapping system S/2 D3 Ga1.0 6 / y (m) in panel B0-2. The experimental design used was a Randomized Complete Block Design (RCBD) with 28 combinations of treatments. The observation parameters in this study were yield (g/p/s), girth (cm) before treatment application and yield (g/p/s) and yield (kg/ha/year) after treatment application. The observations showed that the addition of stimulants with osmolyte and alkaline compounds had a significant effect yield on rubber (g/p/s) in the first tapping slices. The 5% osmolyte and 10% alkaline compounds have yield rubber which is comparable to the application of stimulants made from ethephon in the first tapping slices. Application of 5% osmolyte and 10% alkaline compounds can be used as an alternative stimulant in rubber plants.
PENGGUNAAN SENYAWA OSMOLIT DAN ALKALIN PADA PENYADAPAN TANAMAN KARET (Hevea brasiliensis) Mochlisin Andriyanto; Miftahul Huda Fendiyanto
Agro Estate Vol 3 No 2 (2019): Desember 2019
Publisher : Institut Teknologi Sawit Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47199/jae.v3i2.66

Abstract

Stimulants are one of the common ways to increase yield in rubber plants. Recent, the stimulant that is widely used in rubber tapping is ethephon. Ethephon material can prolong the flow of latex so that yield increases. The combination of osmolyte and alkaline compounds is expected to be an alternative stimulant. Therefore, this study aimed to examine the use of osmolytes and alkaline in rubber plants. This research was conducted at the Experimental Design of the Sungei Putih Estate Research, Deli Serdang, North Sumatra in May-September 2016 with PB 260 clones planting year 2010 with a tapping system S/2 D3 Ga1.0 6 / y (m) in panel B0-2. The experimental design used was a Randomized Complete Block Design (RCBD) with 28 combinations of treatments. The observation parameters in this study were yield (g/p/s), girth (cm) before treatment application and yield (g/p/s) and yield (kg/ha/year) after treatment application. The observations showed that the addition of stimulants with osmolyte and alkaline compounds had a significant effect yield on rubber (g/p/s) in the first tapping slices. The 5% osmolyte and 10% alkaline compounds have yield rubber which is comparable to the application of stimulants made from ethephon in the first tapping slices. Application of 5% osmolyte and 10% alkaline compounds can be used as an alternative stimulant in rubber plants.
Eksplorasi Cendawan Dark Septate Endophyte Asal Pertanaman Karet (Hevea brasiliensis) Wilayah Sumatra Utara Mochlisin Andriyanto; Agustina Triyoyani; Yustina Sri Sulastri; Cici Indriani Dalimunthe
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 "Revitalisasi Lahan Suboptima
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Andriyanto, M., Triyoyani, A., Sulastri, Y. S., Dalimunthe, C. I. (2024). Exploration of dark septate endophyte fungi in north sumatra rubber plantations. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang 21 Oktober 2024. (pp. 313–322). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Dark Septate Endophytes (DSE) are non-pathogenic microorganisms that ubiquitous root-colonizing fungi with a wide range of host plants. DSE biodiversity in the rubber plantations of North Sumatra has not been investigated. The research objective was to collect indigenous DSE isolates from rubber plantations. The research was conducted at the Plant Protection Laboratory, Sungei Putih Research Unit, Rubber Research Center in Deli Serdang. This research consisted of several stages, namely DSE investigated 14 soil samples taken from rhizosphere of healthy rubber plant in the area of Serdang Berdagai, Tebing Tinggi, Labuhan Batu Utara, Rantauprapat, Asahan, and Tapanuli Selatan. The exploration is followed by selecting DSE (dark septate endophytes) through indirect soil baiting techniques and pathogenicity test of DSE isolates. The research was conducted at the Plant Protection Laboratory, Sungei Putih Research Unit, Rubber Research Center in Deli Serdang. The results showed that height of chinese cabbage ranged 3,69- 5,17 cm, and number of leaves ranged 4,80-6,16 over the course of one month. The average DSE isolation rate was found to be 12,87%. The colony growth of isolates measured between 15,31 and 50,72 cm² in eight days after incubation, and the pathogenicity test had ability to promote chinese cabbage seed germination by 65,50- 70,60%. The present study showed that five DSE isolates from rubber plantation can be used as indigenous DSE and identified as having potential for development.
Co-Authors Agustina Triyoyani Cici Indriani Dalimunthe Miftahul Huda Fendiyanto Yustina Sri Sulastri