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Journal : Natural Science: Journal of Science and Technology

FREKUENSI KUNJUNGAN LEBAH APIS CERANA DAN TRIGONA SP. SEBAGAI PENYERBUK PADA TANAMAN BRASSICA RAPA Ruslan, Wahiba; Afriani, Afriani; Miswan, Miswan; Elijonnahdi, Elijonnahdi; Nurdiyah, Nurdiyah; Sataral, Mihwan; Fitrallisan, Fitrallisan; Fahri, Fahri
Natural Science: Journal of Science and Technology Vol 4, No 1 (2015): Volume 4 Number 1 (March 2015)
Publisher : Univ. Tadulako

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Abstract

Penelitian ini bertujuan untuk mempelajari frekuensi kunjungan lebah Apis cerana dan Trigona sp. sebagai penyerbuk pada tanaman Brassica rapa. Metode yang digunakan dalam penelitian ini yaitu vocal sampling, dengan dua kali pengamatan. Pengamatan pertama pada bulan Januari dan pengamatan kedua pada bulan Juni 2014, masing-masing pengamatan dilakukan selama 10 hari saat bunga Brassica rapa sedang mekar. Parameter yang diamati meliputi, jumlah bunga yang dikunjungi per menit, lama kunjungan per bunga dan lama kunjungan per tanaman. Hasil pengamatan frekuensi kunjungan tertinggi yaitu pengamatan kedua pada bulan Juni. Trigona sp. mempunuyai jumlah bunga yang dikunjungan 3.14 bunga/menit, lama kunjungan 27.47 detik/bunga dan lama kunjungan 3.89 menit/tanaman, sedangkan jumlah bunga yang dikunjungan A. cerana 1.32 bunga/menit, lama kunjungan 6.22 detik/bunga dan lama kunjungan 1.64 menit/tanaman.
AUTEKOLOGI NEPENTHES PITOPANGII LEE.DI KAWASAN TAMAN NASIONAL LORE LINDU SULAWESI TENGAH M. Saleh, Muhammad Fajrri Ramadhan; Miswan, Miswan; Pitopang, Ramdanil
Natural Science: Journal of Science and Technology Vol 2, No 2 (2013): Volume 2 Number 2 (August 2013)
Publisher : Univ. Tadulako

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Abstract

The growth and development of Nepenthes are affected by abiotic and biotic factors in its environment. In this study, to measure and to identify the abiotic and biotic factors surrounding the Nepenthes pitopangii Lee.naturally grow in the Lore Lindu National Park (LLNP) in Central Sulawesi.  The measurement of abiotic factor and the identification of biotic factor have been carried out from April to May 2013. The abiotic factors such as temperature and relative humidity were measured with thermometer and pscychrometer respectively. While, the precipitation data were obtained from Badan Meteorologi dan Geofisika Palu. Nitrogen and phosphorus concentrations of soil where N. pitopangii Lee grow were measured with metode khcelhal dan metode Bray-1.The plants which compose vegetation in the surrounding of Nepenthespitopangii Lee.were analyzed with systemic double plot method and than they were identified. The animals that affect Nepenthespitopangii Lee.growth were also identified. The results showed that in the LLNP, daily temperature, relative humidity and precipitation that affect Nepenthespitopangii Lee. growth were 17.1 °C, 90.2% and 313.3 mm respectively. Nepenthespitopangii Lee.can grow in the very low soil N and P concentrations. At tree level, vegetation was dominated by Helicia celebica Sleumer with importance value index (IVI) of 69.94%. Eurya accuminata DC. (IVI 59.92%) dominated vegetation at pole level, Xanthomyirtus angustifolius Scoot. (IVI 74.57%) dominated vegetation at sapling level, and Gleichenia truncata (IVI 44.43%) dominated vegetation at seedling level.  The wild animals are found in the study area to interacting directy on Nepenthes pitopangii Lee. inPolyrachis Sp, Camponotus Sp, Apidae Sp
Co-Authors Abdul Kadri, Abdul Adhar Arifuddin Afifa, Nur Afriani Afriani Agus Juliardi, Erdani Ahmad Yani Akyas, Gibran Amperawati, Susani Anak Agung Istri Sri Wiadnyani Andi Saifah Andi Warisno Andri, Mohammad Anjani, Rosy Anzar, Muh. Aprianus, Aprianus Ardiputra, Muh. Akbar Asmila, Asmila Austriana, Sarah Ayu, Ayu Bahrul Ulumi Budiman Budiman Dedy Wahyudi Dewi Gita Kartika Dewi, Allia Thasyania El Hadi, Warda Elijonnahdi Elijonnahdi Endah Christianingsih Fahri Fahri Farida Farida Finta Amalinda Firyanti Fitrallisan Fitrallisan Fitriyani Fitriyani Gargita, I Wayan Ginanjar Wira Saputra Guli, Musjaya Hamidah Hamidah . Herlina Yusuf, Herlina Imanniarsari, Dian Eka Irwan Irwan Kandusu, Fadlun Kholisoh, Siti Lagimpe, Sri Handayani A. Latifah, Aeni Lukitasari, Tari Ma'rifah, Ma'rifah Mariana, Sitti Mihwan Sataral Mohamad Andri Mohamad Andri, Mohamad Muhammad Agus Muljanto Muhammad Ansar, Muhammad Muhammad Fajri Ramadhan Muslim Saleh Muhammad Fajri Ramadhan Muslim Shaleh Muhammad Fajrri Ramadhan M. Saleh Muhammad Jufri Mustapa, Sultrini L. Nanang Endriatno Nenitriana, Nenitriana Nor, Andi Reza Alief Chairin Normawati Normawati Novriansyah, Muhammad Nur, Andi Reza Alief Chairin Nur, Andi Reza Chairi Nurhadi Nurzaidah, Nurzaidah Olviana Olviana, Olviana Parmin - Pratiwi, Shilvia Eka Puput, Puput Purwanto, I Wayan Hendrik Putri, Utami Razna Rafiuddin, Rafiuddin Rajindra Ramdanil Pitopang Ramdhan, Juanda Rasyid, Rusman Ratman Ratman Reza Alief Chairin Nur, Andi Ridwan, Dede Riska Septiana Rismawati, Nur Rosnawati Rosnawati, Rosnawati Rudiana, Deden Safirah, Nur Annisa Safitri, Kanaya Salimin Salimin, Salimin Sicilia Intan Safitri Ranga Siti Aisah Siti Patimah Siti Ramlah, Siti Sri Jumiyati Sri Novita Sari, Sri Novita Sri Wulandari Sultoni Sultoni, Sultoni Suparman Suparman Suryaman, Warman Susanti, Aty Susela, Ela Umrah Umrah Utami Rohadini, Vemiana Utami, Astried Eviana Uuh Sukaesih Wahiba Ruslan Widaya, Widaya Winda Winda Zhanaz Tasya Zulfa, Siti Ukhtiya