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Bagus Nur Rochman, Bagus Nur
Universitas Nahdlatul Ulama Purwokerto
Agriculture, Biological Sciences & Forestry Arts Humanities Education Other

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Journal : Scientific Timeline

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UPAYA PENINGKATAN KANDUNGAN MINYAK ATSIRI PADA BAWANG MERAH VARIETAS TUK-TUK DENGAN PERLAKUAN BERBAGAI MACAM DOSIS PUPUK KIMIA PABRIKAN Rifqi Adisonda; Bagus Nur Rochman; Bayu Handoko
Scientific Timeline Vol. 2 No. 2 (2022)
Publisher : UNU Purwokerto

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The aims of the study are to determine the effect of various manufactured chemical fertilizers on the increase of the essential oil content in Tuk-tuk and to determine which treatment is best to increase the essential oil content of this particular variety of shallots. The study used a non-factorial randomized block design with three treatments, and each was repeated nine times. The treatments' dosages were B1: ZA 50kg/ha; Urea 25kg/ha; SP36 250kg/ha and KCl 25kg/ha, B2: ZA 100kg/ha; Urea 50kg/ha; SP36 300kg/ha and KCl 50kg/ha, B3: ZA 150kg/ha; Urea 100kg/ha; SP36 350kg/ha and KCl 100kg/ha. The growth and yield observation variables in this study were the number of leaves (fruit), plant height (cm), leaf area (cm2), tuber diameter (cm), fresh plant weight (g), dry plant weight (g), fresh tuber weight (g), dry tuber weight (g), essential oil content (%). The data obtained were analyzed using the F-test, and then the data showed a significant effect proceeded with the DMRT test at a level of 5%. The results of the F-test on the shallots' observed growth and yield variables were not significantly affected by the treatment of manufactured chemical fertilizer. Meanwhile, B3K5 treatment with B3 dose: ZA 150kg/ha; Urea 100kg/ha; SP36 350kg/ha, and KCl 100kg/ha were the best treatments to increase the essential oil content in the Tuk-tuk variety.
Pengaruh Pengaturan Jarak Tanam dan Defoliasi Terhadap Pertumbuhan dan Hasil Jagung Manis (Zea Mays Saccharata Sturt.) Bagus Nur Rochman; Bayu Handoko; Gita Anggraeni
Scientific Timeline Vol. 2 No. 2 (2022)
Publisher : UNU Purwokerto

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Sweet corn was people’s favorite among the public because it had a sweet taste and high nutritional value. Limited land ownership encourages efforts to increase plant populations without reducing yields by using narrow spacing and defoliation treatments. The research aimed to determine the best spacing for high plant density, the best defoliation technique, and the effect of interaction between spacing treatments and defoliation techniques on sweet corn plants. The results showed that spacing at high density could increase the production and productivity of sweet corn was 20 x 40 cm. Defoliation of sustain 2 and 3 could increase the cob volume. Spacing and defoliation treatments did not interact because the spacing was still optimal.
PENGARUH TEKNIK INOKULASI BIOSTIMULAN BERBASIS TRICHODERMA sp. TERHADAP PERTUMBUHAN PLANLET PISANG CAVENDISH PERIODE AKLIMATISASI Azmi, Auliya; Adisonda, Rifqi; Rochman, Bagus Nur
Scientific Timeline Vol. 4 No. 2 (2024)
Publisher : UNU Purwokerto

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ABSTRAK Pisang Cavendish adalah bagian dari produk hortikultura unggulan. Perbanyakan bibit Pisang Cavendish banyak dilakukan menggunakan perbanyakan kultur in vitro yang tidak terlepas dari tahapan aklimatisasi. Perbedaan lingkungan tumbuh yang signifikan menyebabkan persentase tumbuh planlet rendah, sehingga memerlukan penanganan yang intensif. Penelitian ini bertujuan untuk mengetahui pengaruh serta menentukan metode inokulasi Trichoderma sp. yang paling baik dalam memacu pertumbuhan planlet Pisang Cavendish. Penelitian menggunakan RAL dengan 7 perlakuan yaitu P0 (kontrol), P1 (inokulasi media tanam), P2 (inokulasi akar) P3 (inokulasi daun), P4 (kombinasi inokulasi media tanam dan inokulasi akar), P5 (kombinasi inokulasi media tanam dan inokulasi daun) dan P6 (inokulasi akar dan inokulasi daun), masing-masing perlakuan diulang sebanyak 4 kali ulangan. Data pengamatan dianalisis menggunakan analisis anova, jika uji F diperoleh pengaruh nyata maka dilanjutkan uji Tukey HSD taraf 5%. Hasil penelitian menunjukkan bahwa inokulasi Trichoderma sp. berpengaruh terhadap pertumbuhan planlet Pisang Cavendish periode aklimatisasi pada parameter tinggi tanaman, luas daun, diameter batang dan jumlah akar. Metode inokulasi Trichoderma sp. yang paling baik dalam meningkatkan pertumbuhan planlet Pisang Cavendish pada periode aklimatisasi adalah metode inokulasi akar. ** ABSTRACT Cavendish bananas are part of the superior horticultural products. Cavendish banana seedling propagation is often carried out using in vitro culture propagation which is inseparable from the acclimatization stage. Significant differences in the growing environment cause a low percentage of plantlet growth, thus requiring intensive handling. This study aims to determine the effect and determine the best Trichoderma sp. inoculation method in stimulating the growth of Cavendish banana plantlets. The study used RAL with 7 treatments, namely P0 (control), P1 (planting media inoculation), P2 (root inoculation) P3 (leaf inoculation), P4 (combination of planting media inoculation and root inoculation), P5 (combination of planting media inoculation and leaf inoculation) and P6 (root inoculation and leaf inoculation), each treatment was repeated 4 times. Observation data were analyzed using anova analysis, if the F test obtained a significant effect, then the Tukey HSD test was continued at a level of 5%. The results showed that Trichoderma sp. inoculation. influence on the growth of Cavendish Banana plantlets during the acclimatization period on the parameters of plant height, leaf area, stem diameter and number of roots. The best Trichoderma sp. inoculation method in increasing the growth of Cavendish Banana plantlets during the acclimatization period is the root inoculation method.
Co-Authors Adisonda, Rifqi Adisonda, Rifqi Ali, Fahri Anggraeni, Gita Ari Kurniawati Ari, Kurniawati Azmi, Auliya Bayu Handoko Bayu Handoko Bayu Handoko Bayu Handoko Carsidi, Didi Catur Raharjo Febrayanto Dwi Hirma Windriyati, Ratna Gita Anggraeni Handoko, Bayu Handoko, Bayu Maulinda, Arina Muhammad Bachtiar Musthafa, Muhammad Bachtiar Perdani, Adiba Eva Ramadhan, Bahtiar Ilham Rifqi Adisonda Rifqi Adisonda Soni Sadono Susiyanti, Fitri Sutanto, Koko Dwi Vega Giri Rohadiat Windriyati, Ratna Dwi Hirma