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Prayogo, Yusmani
Balai Penelitian Tanaman Kacang-?kacangan dan Umbi?-umbian Malang
Agriculture, Biological Sciences & Forestry Education

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PENGARUH KOMBINASI JENIS CENDAWAN ENTOMOPATOGEN DAN FREKUENSI APLIKASI TERHADAP MORTALITAS KUTU KEBUL (BEMISIA TABACI) FITRAH J, MULYA Fitrah; Prayogo, Yusmani
LenteraBio: Berkala Ilmiah Biologi Vol 2, No 1 (2013)
Publisher : Universitas Negeri Surabaya

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One obstacle in current increased soybean production is impaired whitefly infestation. Economically, whitefly infestation can reduce yields by 40-80% if no control measures. Previous study showed that the Beauveria bassiana fungus was able to kill whitefly infestation, but the mortality of whitefly infestation only 50% by using a density of 108/ml conidia. This study aimed to improve mortality whitefly infestation on soybean plants using three different types of fungi and frequency of application. This study was an experimental study using a randomized block design (RBD) with two treatment factors are the type of fungus (Lecanicillium lecanii, Metarizhium anisopliae and Beauveria bassiana) and the frequency of application (1 time/week,    2 times/week, 3 times/week and 4 times/week) with three repetitions. The data obtained were analyzed by using two-way program MSTATC. The conclusion of this study were a combination of types of fungi with the frequency of applications that effectively kills fleas whitefly is a type of fungus L. lecani with frequency application 3 times/week.
CENDAWAN ENTOMOPATOGEN BEAUVERIA BASSIANA DALAM MENGENDALIKAN TELUR HAMA PENGGEREK UBI JALAR (CYLAS FORMICARIUS) ARTANTI, DITA; Prayogo, Yusmani
LenteraBio: Berkala Ilmiah Biologi Vol 2, No 1 (2013)
Publisher : Universitas Negeri Surabaya

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One obstacle in maintaining productivity and quality of sweet potato is Cylas formicarius pests (Coleoptera: Curculionidae). This study aimed to determine the effect of entomopathogenic fungi B. bassiana to control the eggs of C. formicarius. The method used was a Completely Randomized Design (CRD). The treatment was applied at various ages eggs that age 0 days, 1 day, 2 days, 3 days, 4 days, 5 days, 6 days, and 7 days. Each ages eggs sprayed using the fungi B. bassiana with a concentration of 108 conidia/ml with 3 repetitions. Observations were made every day for 7 days after application. Analysis of the data by one-way ANOVA and Duncan test level 5%. The results showed that B. bassiana effective in suppressing hatching eggs C. formicarius of 100% at the age of eggs 0 days to 4 days better than age of eggs 5 days to 7 days that have opportunity hatching eggs of 20-60%.
PENGARUH CARA APLIKASI DAN FREKUENSI PEMBERIAN CENDAWAN ENTOMOPATOGEN BEAUVERIA BASSIANA UNTUK MENGENDALIKAN HAMA BOLENG (CYLAS FORMICARIUS) DAN TINGKAT KERUSAKAN YANG DITIMBULKANNYA PADA UBI JALAR RIYANTI, NURIKA; Prayogo, Yusmani
LenteraBio: Berkala Ilmiah Biologi Vol 2, No 1 (2013)
Publisher : Universitas Negeri Surabaya

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Abstract

Sweet potato is one of substitute food and raw materials for some food industries. Sweet potato weevil (Cylas formicarius) is a major pest that can reduce yields and utilization of sweet potato. Utilization of entomopathogenic fungi is one of component of integrated pest management. Beauveria bassiana is a fungus that effective control of pests of the order Coleoptera. This study purposed to describe the effectiveness of the method and frequency of application of entomopathogenic fungi B. bassiana to mortality of imago C. formicarius and extent of the damage sweet potatoes. This study was an experimental research that used Randomized Block Design (RBD) arranged in factorial with two factors. The first factor was the application method on the plant and on the soil surface. The second factor was the frequency providing of 1 times, 2 times, and 3 times a week. Each treatment was repeated 4 times. The data obtained were statistically analyzed by using two-way Anava. If there is a difference then continued using multiple range test (Duncan?s Multiple Range Test) on a real level ? = 0,05. The results showed that the application method had no affect on mortality imago C. formicarius, the frequency providing of an effect on mortality imago C. formicarius at 46,88%, and the interaction of the application method and frequency providing also effects  the mortality imago C. formicarius to 70,00%. However, application method, frequency providing, and the interaction of application method and frequency method had no effect on the extent of damage to sweet potatoes.
Co-Authors ARTANTI, DITA FITRAH J, MULYA Fitrah RIYANTI, NURIKA