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Effect of Varieties and Plant Population Densities on Dry Matter Production, Radiation Interception and Radiation Energy Conversion in Peanut agus suprapto; Yogi Sugito; S M Sitompul; Sudaryono Sudaryono
Journal of Tropical Life Science Vol. 2 No. 2 (2012)
Publisher : Journal of Tropical Life Science

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Abstract

The solar radiation is one of the major criteria to obtaining advantages on peanuts (Arachishypogaea L.). Although various combinations of crops have been reported, but variety association and plant population densities (PPD) during the periodically stage of growth on peanuts have yet to be analyzed. Dry matter production (DM), radiation energy interception, and radiation energy conversions were monitored over the growth period of two varieties of peanut. An experiment was conducted in Jambegede Research Farm, Indonesian Legume and  Tuber Crops Research Institute, Malang, East Java, Indonesia, from July until October 2011. The experiment was arranged in a Split Plot Design with three replications. Peanut varieties, as the main plot consisted of two treatments: Kelinci and Kancil variety. In addition, five PPD variations as sub plot consisted of 8.1, 11.1, 16.0, 25.0 and 44.4 plant m-2 were arranged in a square spacing. The results showed that DM production  from high PPD increased gradually to lower PPD in all varieties. Interception efficiency (IE) increased in all varieties from early sowing. A plant population density of 25.0 m-2 and 44.4 plants m-2 intercepted more radiation over 11.1 or 16.0 plants m-2. Conversion efficiency of radiation energy (CE) to total dry matter production on Kelinci variety (1.52%) indicated  a  slight higher percentage than on Kancil variety (1.41%). Moreover, the CE and IE values indicated a decrease  as the PPD  increased on maximum DM.
Co-Authors Adi Prawoto agus suprapto Agus Suryanto Agus Suryanto Agus Suryanto Agus Suryanto Ali Djamhuri Andriani, Putri Arrosyid, Harun Arrosyid, Harun Azmi, Ivan Rizky Bambang Guritno Baswarsiati, Baswarsiati Belinda, Nia Belinda, Nia Budiadi, Fitsyadina Atria Budiadi, Fitsyadina Atria Chaerunnisa, Sita Sarah Chaerunnisa, Sita Sarah Daniswara, kevin arsya Delima, Juliana Dewi Ratih Rizki Damaiyanti Didik Hariyono Dinarti, Nindia Dinarti, Nindia Dwi Yamika, Wiwin Sumiya Effendi, Mokhtar Effendi, Mokhtar Eka Intan Kumala Putri Eko Widaryanto Fajri, Atikah Farrakhan, Muhammad Husni Febriandani, Hasna Luthfiyyan Febriandani, Hasna Luthfiyyan Fitriana, Diah Asih Fitriana, Diah Asih Garfansa, Marchel Putra Garfansa, Marchel Putra Hadi, Rahma Yunalia Hadzafi, Muhammad Muammar Halmedan, Jemy Halmedan, Jemy Haura, Putri Hasna Heddy, Y. B. Suwasono Husni Thamrin Sebayang Intan Talitha Sakti Kartika Yurlisa Kartika Yurlisa, Kartika Klarisa Sasa Bella Lilik Setyobudi Lily Agustina M.Pd S.T. S.Pd. I Gde Wawan Sudatha . Mafula, Fitriatul Mafula, Fitriatul Manalu, Jodi Elvin Medha Baskara Medha Baskara Menak Simbolon Muasyaroh, Siti Muasyaroh, Siti Mudji Santoso Nakhmiidah, Nisa Nakhmiidah, Nisa Nihayati, Ellis Ninuk Herlina Ninuk Herlina Nugroho, Agung Nugroho, Indanus Faried Nugroho, Indanus Faried Nur Alifah, Falia Nanda Nur Alifah, Falia Nanda Nur Azizah Nurul Aini Oscar Regazzoni Oscar Regazzoni Oscar Regazzoni Pratama, Al Ghazali Putra Priandi, Asril Pribadi, Puguh Pribadi, Puguh Putri Andriani Putri, Vandanita Permata Rahma Yunalia Hadi, Rahma Yunalia Rakhman, Mukhammad Noor Arif Rakhman, Mukhammad Noor Arif Regazzoni, Oscar Rengga, Intan Aningrum Rochman, Andi Syaifur Rochman, Andi Syaifur Ruliwicaksono, Muhammad Rizky Ruliwicaksono, Muhammad Rizky S M Sitompul Sebayang, Husni Thamrin Sembiring, Melda Yuartaria Sembiring, Melda Yuartaria Setyobudi, Lilik Setyono Yudo Tyasmoro Sija, Patta Simanjuntak, Chyntia Simanjuntak, Chyntia Simaremare, Jen Rico Simbolon, Menak Sinta, Dinda Clarra Sirait, Stella Gaudensia Sisca Fajriani Sitawati Sitawati Soemarno Soemarno Sri Winarsih Sudaryono Sudaryono Sudiarso Sudiarso Sudiarso, Sudiarso Sutopo Sutopo Sutopo, Sutopo Syamsul Arifin Tarigan, Hiskia Tarigan, Hiskia Titiek Islami Ufairah, Rusydah Ufairah, Rusydah Velayati, Novel Akbar Velayati, Novel Akbar Wibowo, Mohamad Arik Wibowo, Mohamad Arik Wiwin Sumiya Dwi Yamika, Wiwin Sumiya Y. B. Suwasono Heddy Yohanes Kristantyo Yonny Koesmaryono Yuni Agung Nugroho