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All Journal Jurnal Perlindungan Tanaman Indonesia
Edhi Martono
Department of Plant Protection, Faculty of Agriculture, Universitas Gadjah Mada Jln. Flora No. 1 Bulaksumur, Sleman, Yogyakarta 55281
Agriculture, Biological Sciences & Forestry

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Diversity of Natural Enemies Associated with Refuge Flowering Plants of Zinnia elegans, Cosmos sulphureus, and Tagetes erecta in Rice Ecosystem Gracia Melsiana Aldini; Edhi Martono; Y. Andi Trisyono
Jurnal Perlindungan Tanaman Indonesia Vol 23, No 2 (2019)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.33947

Abstract

The presence of flowering plants is essential to the conservation of natural enemies in some particular ecosystems, such as agroecosystem. The objectives of this research were to determine the natural enemies associated with refugial flowering plants Zinnia elegans, Cosmos sulphureus, and Tagetes erecta planted in the rice bunts. The research took place in the rice farms in the villages of Jatisarono, Wijimulyo, and Tanjungharjo, Nanggulan Regency, Kulon Progo, District. The natural enemies were observed using three different methods: insect nets, pitfall, and direct observation. The observations were conducted in the morning, between 07.00-10.00 a.m., with an interval twice a week for 8-weeks. The natural enemies were identified to the family level. Diversity index (Shannon-Wienner), evenness index, and dominance were calculated for each plant. The diversity index for Z. elegans, C. sulphureus, and T. erecta fell in the category of medium ranging from 1.328-1.581 with medium evenness (0.365-0.574) and high dominance of 0.314-0.453. Natural enemies associated with C. sulphureus and Z. elegans were more compared to those associated with T. erecta.
Study on the Attractiveness of Fruit Flies Bactrocera spp. to Mango Fruit’s Extract Oka Dwi Handaru; Witjaksono Witjaksono; Edhi Martono
Jurnal Perlindungan Tanaman Indonesia Vol 23, No 2 (2019)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.35315

Abstract

Fruit fly (Bactrocera spp.) is a global major pest species of the fruit export and import activities. The controlling and monitoring strategies based on the ecology of fruit flies were expected to overcome the problem of fruit flies. The study on the attractant compound of fruit flies from mango extract  may provide an alternative to control and to monitor fruit flies, both male or female. This research was aimed to determine the strength of attractiveness (number and type of species) and durability (day) on mango extract which could attract fruit flies. The experiment was conducted in mango plantation in Sragen Regency using Randomized Complete Block Design (RCBD) with five different locations for setting up the trap, each location consisted of nine treatments. The parameter observations were the number of trapped-fruit flies, the sex of fruit flies, the type of species fruit flies, and the durability of mango extract. The results revealed that mango extract could attract the male and female fruit flies with mechanism through the presence of nutrition and oviposition site. Extract of raw Pakel mango had a good ability to attract fruit flies, either male or female of B. carambolae and B. papaya, and male of B. albistrigata with a total of 15 flies per trap in one week.
Co-Authors Gracia Melsiana Aldini Oka Dwi Handaru Witjaksono Witjaksono Y. Andi Trisyono