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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati
soejono soejono
Purwodadi Botanic Garden-Indonesian Institute of Sciences
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science

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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; Tri Handayani Kurniati; Soejono Soejono; Susanti Dewi
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 | 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

The aim of the research was to find out the composition of trees grown surrounding water springs at two areas in Purwosari, Pasuruan, East Java. Eleven plots for each area were observed. The data were analyzed using Mueller-Domboiss method to calculate their importance value indexes, while Shannon-Wieners formula was used for determining the diversity index. The coordinate and altitude of every water spring or its groups site was determined using Geographical Position System (GPS) to know their positions on the map. The result indicated that there were at least 30 families, 49 genera which consisted of 68 species of trees grown surrounding water springs at the first area with 5.49 of diversity index, while the second area, consisted of 34 families, 63 genera and 79 species of trees with 5.24 diversity index. The diversity of trees species from Moraceae was the highest among other families, both at the first and the second area, whereas, trees species having a significant important value index included Bambusa blumeana, Dendrocalamus asper, Ficus racemosa, Horsfieldia irya and Ficus virens. The position of the springs in the two areas within the sub-districts of Purwosari is in the range of 7º44'448 " south latitude; 112º44'353" east longitude up to 7º46'339 " south latitude; 112º41190" east longitude at an altitude between 251 and 522 m above sea level. We hope that the information can be used as an alternative guidance to restore or to conserve such areas in order to save and sustain trees diversity and their habitat.Keywords: composition, trees, water springs, Purwosari, Pasuruan.
Co-Authors Jamhari Jamhari Susanti Dewi Tri Handayani Kurniati