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All Journal Agrovigor: Jurnal Agroekoteknologi Jurnal Perlindungan Tanaman Indonesia Jurnal Entomologi Indonesia Jurnal Penelitian Tanaman Industri (Littri)
Dwi Adi Sunarto
Balai Penelitian Tanaman Tembakau dan Serat
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Journal : Jurnal Entomologi Indonesia

 1 
Peran insektisida botani ekstrak biji mimba untuk konservasi musuh alami dalam pengelolaan serangga hama kapas. Dwi Adi Sunarto; nurindah nurindah
Jurnal Entomologi Indonesia Vol 6 No 1 (2009): April
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (193.584 KB) | DOI: 10.5994/jei.6.1.42

Abstract

Natural Enemies Conservation: The Role of Neem-seed Extracts for Natural Enemies Conservation Used of Cotton Insect Pest Control. Insects associated with cotton plant are numerous, as the plant bears extrafloral nectar. More than 90 species of natural enemies are reported and identified. They could manage the cotton pest, keeping the pest population is under action threshold level when their presence is considered in scouting and action threshold concept. However, most of cotton farmers are insecticide-spray-minded people who think that insecticide sprays is a must in cotton cultivation. This behavior is unfavorable for the natural enemies in building their population so they can act as an effective mortality factor for the pest. Neem seed extract (NSE) is toxic to herbivores but relatively safe for natural enemies, so that it could be used as a substitute for synthetic chemical insecticides. Therefore, NSE is recommended to be used for conserving natural enemies in cotton agro ecosystem.
Eksplorasi dan uji keragaan parasitoid penggerek buah kapas Pectinophora gossypiella Saunders (Lepidoptera: Gelechidae) nurindah nurindah; Dwi Adi Sunarto; Sujak Sujak
Jurnal Entomologi Indonesia Vol 1 No 1 (2004): September
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1221.996 KB) | DOI: 10.5994/jei.1.1.18

Abstract

Pink bollworm, P. gossypiella, is a main pest of cotton that causes boll damage up to 70%. Recommended IPM has not effectively control this pest. The use of parasitoids of this pest is one of strategy to manage this pest population as using chemical control is expensive and caused secondary pest. This research objective is to study some biological aspects of pink bollworm parasitoids by doing exploration of the parasitoids in cotton growing areas and testing the potential candidates as biocontrol agents. The activity was conducted from April - December 2001. The research was conducted in two steps: survey and laboratory tests. The survey was conducted in East Java (Asembagus and Lamongan), Central Java (Brebes) and South Sulawesi (Bone) by collecting pink bollworm eggs and identifying the emerged parasitoids. Laboratory tests were done in Biological Control Laboratory of ITFCRI, Malang, consists of reproductive performance aspects. We found two and five species of egg and larval parasitoids, respectively. Parasitism level of egg was 81% by Tichogrammatoidea spp. and that of larva was 24% by Apanteles sp. These two parasitoids are predominant and found in all cotton growing areas. Tichogrammatoidea spp. have opportunity to be used as biocontrol agent in release program, while Apanteles sp. would have valuable role in conservation approach.
Co-Authors - Sujak . NURINDAH . SUJAK Nurindah Nurindah Sujak Sujak