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All Journal EKUIVALEN - Pendidikan Matematika IJOG : Indonesian Journal on Geoscience Jurnal technoscientia Jurnal Penelitian Tanaman Industri Buletin Tanaman Tembakau, Serat & Minyak Industri BERITA BIOLOGI Journal of Geoscience, Engineering, Environment, and Technology Jurnal Ilmu dan Riset Akuntansi Metalurgi Pedagogiana - Jurnal Pendidikan Dasar JURNAL TEKNOLOGI TECHNOSCIENTIA
Sri Mulyaningsih
Balai Penelitian Tanaman Pemanis dan Serat
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Other

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Journal : Buletin Tanaman Tembakau, Serat

 1 
Pengaruh Cekaman Air Terhadap Karakter Fisiologis Tembakau Temanggung dan Kaitannya dengan Hasil dan Kadar Nikotin Rajangan Kering Djumali, .; Mulyaningsih, Sri
Buletin Tanaman Tembakau, Serat & Minyak Industri Vol 5, No 2 (2013): Oktober 2013
Publisher : Balai Penelitian Tanaman Pemanis dan Serat (Balittas)

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Abstract

Tembakau temanggung ditanam pada akhir musim penghujan sehingga sering mengalami cekaman air dan berakibat pada penurunan hasil dan kadar nikotin rajangan kering. Penelitian bertujuan untuk mengetahui pengaruh cekaman air terhadap karakter fisiologis tembakau temanggung serta kaitannya dengan hasil dan kadar nikotin rajangan kering. Penelitian dilakukan di rumah kaca Balittas Malang pada Maret–Oktober 2010 dengan menggunakan Rancangan Petak Terbagi dan diulang 3 kali. Petak utama terdiri atas 3 jenis tanah yakni Komplek Eutrudepts-Hapludalfs, Komplek Dystrudepts-Hapludalfs, dan Vitraquands. Anak petak terdiri atas 5 tingkat kelembapan tanah (60, 70, 80, 90, dan 100% dari kapasitas lapangan). Hasil penelitian me-nunjukkan bahwa cekaman air pada tiga jenis tanah berpengaruh negatif terhadap konduktivitas stomata, laju fotosintesis, hasil dan kadar nikotin rajangan kering, serta berpengaruh positif terhadap bobot spesifik daun. Pengaruh cekaman air terhadap hasil rajangan kering terjadi melalui penurunan konduktivitas stomata dan laju fotosintesis selama fase setelah pemangkasan. Pengaruh cekaman air terhadap kadar nikotin terjadi me-lalui penurunan konduktivitas stomata sebelum pembungaan dan setelah pemangkasan, penurunan laju fotosintesis setelah pemangkasan, dan peningkatan bobot spesifik daun setelah pemangkasan. Temanggung tobacco is grown at the end of wet season which so often experience water stress. Water stress can decrease dry slice yield and nicotine content. The study was aimed to determine the effect of water stress on physiological characteristics of temanggung tobacco and its relation to dry slice yield and nicotine content. Research was conducted in greenhouse of Indonesian Sweetener and Fibre Crops Research Institute, Malang from March to October 2010 using splitplot design and repeated three times. The main plot consisted of three types of soil (Complex Eutrudepts-Hapludalfs, Complex Dystrudepts-Hapludalfs, and Vitraquands). The Subplot consisted of five soil moisture levels (60, 70, 80, 90, and 100% of field capacity). The results showed that water stress on the third series of the soil negatively affect stomatal conductivity, the photosynthesis rate, dry slice yield and nicotine content, as well as the positive effect on specific leaf weight. Effect of water stress on dry slice yield occurred through the decrease of stomata conductivity and photosynthetic rate during the phase after topping. The effect of water stress on nicotine content occurred through a reduction in stomatal conductivity before flowering and after topping, decrease of photosynthetic rate after topping, and increase of specific leaf weight after topping.
Pengaruh Macam Tanaman Sela Terhadap Pertumbuhan Dan Hasil Jarak Pagar (Jatropha curcas L.) Hasil Rehabilitasi Tahun Ketiga Mulyaningsih, Sri; Hariyono, Budi
Buletin Tanaman Tembakau, Serat & Minyak Industri Vol 5, No 2 (2013): Oktober 2013
Publisher : Balai Penelitian Tanaman Pemanis dan Serat (Balittas)

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Abstract

Pada pertanaman jarak pagar yang masih muda (umur 1–2 tahun) dengan jarak tanam 2 m x 2 m ada lahan kosong yang tidak termanfaatkan. Upaya optimalisasi pemanfaatan lahan adalah menanam tanaman sela, sehingga petani mempunyai pendapatan dari tanaman sela sebelum jarak pagar menghasilkan. Penelitian ini bertujuan untuk mengetahui pengaruh tanaman sela terhadap pertumbuhan dan hasil jarak pagar dan men-dapatkan macam tanaman sela yang sesuai pada jarak pagar hasil rehabilitasi (penyambungan) pada tahun ketiga. Penelitian dilaksanakan di Kebun Percobaan Muktiharjo, Kabupaten Pati, Jawa Tengah mulai bulan Januari hingga Desember 2011, menggunakan rancangan acak kelompok diulang enam kali. Perlakuan yang diuji adalah: 1) jarak pagar + kacang tanah, 2) jarak pagar + kedelai, 3) jarak pagar + kacang hijau, 4) jarak pagar + wijen, dan 5) jarak pagar tanpa tanaman sela. Ukuran petak 8 m x 8 m, jarak tanam jarak pagar 2 m x 2 m. Jarak tanam tanaman sela kacang tanah, kedelai, dan kacang hijau masing-masing 25 cm x 25 cm, sedangkan jarak tanam wijen 50 cm x 25 cm. Hasil penelitian menunjukkan bahwa hasil biji kering tanaman jarak pagar dengan tanaman sela kedelai, kacang hijau, dan wijen tidak berbeda nyata dengan hasil biji kering jarak pagar monokultur kecuali dengan kacang tanah. Hasil biji kering jarak pagar + kedelai 655,87 kg/ha + 1.316,07 kg/ha; jarak pagar + kacang hijau 644,70 kg/ha + 1.557,5 kg/ha; jarak pagar + wijen 511,49 kg/ha + 1.416,67 kg/ha; jarak pagar + kacang tanah yaitu 358,31 kg/ha + 1.015,28 kg/ha; dan hasil biji kering tanaman jarak pagar tanpa tanaman sela 602,27 kg/ha. Tumpang sari jarak pagar dengan keempat macam tanaman sela (kacang tanah, kedelai, kacang hijau, dan wijen), efisien dalam pemanfaatan lahan dan layak secara ekonomi untuk ditanam dan dikembangkan bersama dengan tanaman jarak pagar rehabilitasi tahun ketiga dengan nilai NKL masing-masing: 1,32; 1,64; 1,98; 1,72 dan B/C ratio 4,79; 1,88; 5,71; 7,03. In young jatropha plantation (1–2 years aged) with 2 m x 2 m spacing there is fallow land. The effort to optimize of land use was by planting intercrops, so that the farmers get income before the jatropha plant produce. This study aimed to determine the effect of intercrops on growth and yield of jatropha and get suitable intercrops in the jatropha rehabilitated plantation (by grafting) in the third year. Research was conducted at Muktiharjo Research Station, Pati, Central Java from January to December 2011. The experiment was arranged in randomized block design with 6 replications. Treatments were 1) intercropping physic nut + peanut, 2) intercropping physic nut + soybean, 3) intercropping physic nut + mungbean, 4) intercropping physic nut + sesame, and 5) physic nut monoculture. Plot size was 8 m x 8 m, plant distance of physic nut were 2 m x 2 m, and plant distances for peanut, soybean, and mungbean were 25 cm x 25 cm and for sesame was 50 cm x 25 cm. Result showed that intercropping was not significantly effect on seed yield of physic nut, however intercropping physic nut with peanut decreased the physic nut seed yield. Seed yield of intercropping physic nut + soybean 655.87 kg/ha + 1,316.07 kg/ha; physic nut + mungbean 644.70 kg/ha + 1,557.55 kg/ha; physic nut + sesame 511.49 kg/ha + 1,416.67 kg/ha; physic nut + peanut 358.31 kg/ha + 1,015.28 kg/ha; and physic nut monoculture 602.27 kg/ha. Intercropping physic nut with four kinds of intercrop plant (peanut, soybean, mungbean, and sesame), efficient land use and economically viable for the grown and developed along with physic nut rehabilitation third year with the value of each land equi-valent ratio (LER) 1.32; 1.64; 1.98; 1.72 intercropping and B/C ratio 4.79; 1.88; 5.71; and 7.03.
Co-Authors . Djumali Alansa, Frando Ryan Ari Kusnaedi Arifin, Muhammad Nur Arisandy, Rydo Faisal B. Astuti Budi Hariyono Budi Priyono Busro, Djumali Darwin Alijasa Siregar Deny Juanda Puradimaja Devi, L R Devi, L R Dina Tania DJUMALI DJUMALI, DJUMALI Dwi Indah Purnamawati, Dwi Indah G. Hartono Heri Prabowo Heriyadi, Nur Widi Astanto Agus Tri Husadani, Y T Husadani, Y T I. Simon I. W. Prasetyanto IGAA. INDRAYANI, IGAA. Irawan, S N Irawan, S N Mohamad Faizal, Mohamad Muhammad Suyanto, Muhammad Nur Handayani Rahayu, Hanifah Aulia Sampurno Sampurno Sanjoto, Siwi Sanjoto, Siwi Suhartono Sutikno Bronto Tatawu, Ariel l Afrandi Teger Basuki Umboro, P A Umboro, P A Widayati, Wiludjeng Wijaksono, Shandi Hargian Wiwik Handayani Yahdi Zaim Yunengsih, Yuyun