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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences BIOTROPIA - The Southeast Asian Journal of Tropical Biology Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati AKSIOMA
Soejono Soejono
Cabang Balai Kebun Raya Purwodadi, Pasuruan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Mathematics Veterinary

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Uji Antagonis Trichoderma sp dan Gliocladium sp terhadap Fusarium Penyebab Penyakit Layu pada Beberapa Jenis Tanaman Pisang di Kebun Raya Purwodadi secara in-vitro Suharjono, Suharjono; Kurniati, Tri Handayani; Soejono, Soejono; Dewi, Susanti
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 9, No 2 (2004): June 2004
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (80.078 KB) | DOI: 10.24002/biota.v9i2.2900

Abstract

Purwodadi Botanical Garden has more than one hundred collection of cultivated bananas. The major problem in keeping their existency is  the occuring of  Fusarium wilt disease  which was commonly controlled by pesticide or eradication to terminate the infectious cycles. Trichoderma and Gliocladium were frequently used as antagonist fungus in controlling the Fusarium wilt disease in kenaf, tomato or  the other plants. So,  this study aims was to know the  potency of Trichoderma and Gliocladium on Fusarium growth inhibition. The experimental design was done by Randomized Complete Design Factorial using three factors i.e. antagonist fungus, Fusarium and growth distance. The level of retardation was measured by the growth distance of Fusarium  that interacted to antagonist fungus and data analysis were conducted  by Analysis of Variance (ANOVA). The results showed that Trichoderma has higher inhibition than Gliocladium and the highest inhibition occurred at 1 cm  distance of inoculum which was performed on Fusarium 4 (77.78%). There was not any significant differencies between Fusarium 1 with Trichoderma (73.55%) and Fusarium 2 with Gliocladium (73.33%). At 2 cm distance, the highest inhibition occurred in Fusarium 3 by Trichoderma (72.71%), which  was not significantly different with Fusarium 1, 2 and 4. While at 3 cm distance, the highest inhibition on Fusarium 4 by Trichoderma  was 51.11% and not significantly different from Fusarium 1, 2 and 3.
Composition of Trees Grown Surrounding Water Springs at Two Areas in Purwosari Pasuruan, East Java soejono, soejono
Journal of Tropical Life Science Vol 2, No 3 (2012)
Publisher : Journal of Tropical Life Science

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Abstract

MEIIINGKATKAN EASIL BILAJAR SISWA KELAS VII SEMESTER GENAP SMP NEGERI 4 SEMARANG MELALIII IMPLEMENTASI MODEL PEMBELAJARAN RME BERBANTUAN ALAT. PERAGA DAN LKS PADA POKOK BAIIASAN BANGUN RUANG SISI DATAR Soejono, Soejono
AKSIOMA : Jurnal Matematika dan Pendidikan Matematika Vol 3, No 2 (2012): AKSIOMA
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/aks.v3i2.2091

Abstract

Ttjun da, i penelirian irli adalah ntuk neryetal i peningkatai hasil belajat siswaielat ytu sernestet genq SMP Neseri 4 Semorug ta|run qjarun 2010/2011 pada pokokbahdan bmgm ruary siri datar neiahi ir,,plenentasi noAel penbelajarun RME berbantuonalat p*aga dan LKS Penelitian ini dilakakdl sdana bdan Apil 2011. Sedangkn tenpotpenelitian di SW Neeeri 1 Senar@s, Subyek dalom penelitian ini adalah sieo kelos VIIIsenrestq senq Taho, Ajardn 2010nU I.Mdode yong dipralen dalan penelitian ini nenggnakan netode Penelifn tTindakan Xelas. findalen sebary'ok dua kali dalan d siuus. n'nda*on pertsrna mirnerapkanwxlel Penbelajaran RME tarya b?rbanhan alat peruga dan LKS, dan tindokan kedneneropkan nodzl pembelajarun RME berba tua alat pelaga da LKS yary dilary\lttundergan pesentasi kelonpok Talawrn tiap sikhr terdii dari : Senap siuus ada 4 (enpat)tahq, laitu (1) perewaaaaa e) pelaksanaan ata! inqlementasi, (3) pensanaton atauobsevasi, dan 6) nseJle*.sikan nnda*an. Hasil Fenelinm yrng dicapat atulah adaiyapening*atah has bewd siswa dalan *egiatan belqjar neryajar n"lahi inplenentati odelpen belojarun RLIE dengan berbarrtuan alat peraga dan LKS po*ot bahasan hangn ruongsisi datar pada siswa *dos fm SMP Negai 4 SenarunKata kunci : Modd PadbdnJofl, RME, Btngun Raang Siti D.lot, Ald Percga
Stemflow, Throughfall and Rainwater Interception of Eight Indonesian Tree Species Sofiah, Siti; Soejono, Soejono
BIOTROPIA Vol. 27 No. 1 (2020): BIOTROPIA Vol. 27 No. 1 April 2020
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2020.27.1.726

Abstract

Tree architecture affects how rainwater is partitioned into canopy interception, throughfall, and stemflow. The canopy shape and bark/leaf surface morphology influence the plants' ability to intercept and redistribute rainwater. Therefore, tree structure plays a key role in soil and water conservation, particularly in reducing erosion and runoff. This research was conducted to predict the most suitable tree species for soil and water conservation and recorded 32 rainfall events during the rainy season from January 2014 to March 2015 in Purwodadi–LIPI, Indonesia. The stemflow, throughfall, individual tree architectural characteristics, and leaf morphology were measured for eight selected local tree species, namely: Sterculia cordata, Aleurites moluccana, Buchanania arborescens, Calophyllum inophyllum, Dysoxylum gaudichaudianum, Peltophorum pterocarpum, Alstonia scholaris, and Pometia pinnata. The species that showed the greatest interception capacity was Aleurites moluccana, with 68.1% of rainfall intercepted. Special leaf characteristics (such as fine hairs), globose stems, and long, grooved bark likely contributed to a greater relative interception of rainwater compared to other species. The throughfall and stemflow of each species were closely correlated with rainfall amount but not with rainfall intensity.
Co-Authors Dewi, Susanti Jamhari Jamhari Siti Sofiah Tri Handayani Kurniati