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All Journal Cropsaver : Journal of Plant Protection Jurnal Ilmiah POTENSIA
Nurul Ihsani
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Biochemistry, Genetics & Molecular Biology Education

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The Potential and Application Frequency of Yeast from Tomato and Cogon Grass Leaves to Suppress Powdery Mildew Disease in Tomato Noor Istifadah; Nurul Ihsani; Sri Hartati
CROPSAVER Vol 1, No 2 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (464.256 KB) | DOI: 10.24198/cs.v1i2.20883

Abstract

Powdery mildew (Oidium sp.) is important disease in the greenhouse tomato production. One of environmentally-friendly control method of the disease is biological control. Yeast from phyloplane of weeds such as cogon grass are potential as biocontrol agents. This study evaluated the potential of yeast isolated from the leaves of cogon grass and wild tomato to suppress powdery mildew of tomato. The samples were obtained from several areas in Sumedang and Bandung, West Java. The yeast isolates were selected on their abilities in controlling powdery mildew in tomato seedlings. The selected isolates were used for further experiment examining the effects of frequency of yeast application on the disease control. This experiment was arranged in Randomized Complete Block Design with 12 treatments and three replications. The treatments were three yeast isolates, applied once before pathogen inoculation, applied regularly every week or two weeks, the check and fungicide treatment. The results showed that among 13 yeast isolates obtained there were three isolates that suppressedthe development of powdery mildew disease by 61.0%- 68.6%. In further experiment, relatively highest disease reduction (58,6%) was showed in the application of yeast isolate from wild tomato leaves (TB1 isolate) every week.Keywords : biological control, phyloplane, Oidium sp., wild tomato
HUBUNGAN METODE PEMBIASAAN DALAM PEMBELAJARAN DENGAN DISIPLIN ANAK USIA DINI Nurul Ihsani; Nina Kurniah; Anni Suprapti
Jurnal Ilmiah POTENSIA Vol 3, No 2 (2018): JULI
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (399.008 KB) | DOI: 10.33369/jip.3.2.105-110

Abstract

This study aims to describe the relationship between methods of habituation in learning with early childhood discipline in early childhood Al-Hidayah Kota Bengkulu. The method used is descriptive quantitative with correlation type. The subjects were 30 children consisting of 8 children of B1 group, 8 children of B2 group, 7 children of B3 group and 7 children of B4 group. Technique of collecting data using observation in the form of checklist. Data analysis using Product Moment Correlation. The result of this research is there is significant correlation between method of habituation in learning with discipline of child and seen from price Fhitung0,418 bigger than price Ftabel0,374 for significant level 5% (0,418 <0,374) so that Ha accepted and Ho rejected. Based on these results it is advisable to train early childhood discipline should teachers apply methods of habituation.Keywords: Method of Habituation in Learning, Discipline of Early Childhood
Co-Authors Nina Kurniah Noor Istifadah Sri Hartati Suprapti, Anni