Pengaruh Cara Aplikasi dan Frekuensi Pemberian Cendawan Entomopatogen Beauveria bassiana untuk Mengendalikan Hama Boleng (Cylas formicarius) dan Tingkat Kerusakan yang Ditimbulkannya pada Ubi Jalar

  • NURIKA RIYANTI Jurusan Biologi FMIPA Universitas Negeri Surabaya
  • Yusmani Prayogo Balai Penelitian Tanaman Kacang-kacangan dan Umbi-umbian Malang
Keywords: Application method, frequency providing, Beauveria bassiana, Cylas formicarius

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 α = 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.

Published
2013-01-30
Section
Articles
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PDF Downloads: 170