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Husni Husni
Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala
Agriculture, Biological Sciences & Forestry Education

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Tingkat Parasitisasi Berbagai Parasitoid Telur Nezara viridula L. pada Tanaman Kedelai Jauharlina Jauharlina; Husni Husni; Bintra Mailina
Jurnal Agrista 2008: Edisi Khusus Nomor 1 November 2008
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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The Parasitism Level of Various Egg Parasitoids Associated with Nezara viridula L. on Soybean PlantationABSTRACT. It is well known that the presence of various egg parasitoids on the green stink bug, Nezara viridula, can decrease the population of this insect pest on soybean plantation. A research has been conducted to observe the parasitism level of various egg parasitoids associated with N. viridula on different stages of soybean plantation. The plant stages used were 4-5, 6-7, 8-9, and 10-12 weeks after planting (WAP), with 6 experimental plot for each stage, and 5 plants for each experimental unit. Three pairs of N. viridula adult then were relased onto each plant which was covered by the gauze cage earlier. When egg were laid, the cage was taken out leaving 2 eggs rafts per plant. These N. viridula eggs then were exposed to parasitoid for three days, before taking them all to the laboratory. The observations were done on the parasitized eggs. The result showed that different stages of soybean plants significantly affected the parasitism level of various egg parasitoids, with 26 to 46% parasitism level. Up to 71.8% of parasitize egg successfully became adult parasitoids. There were four different Hymenoptera egg parasitoids found associated with N. viridula, namely Telenomus sp. (Scelionidae), Gryon sp. (Scelionidae), Mycroteris sp. (Encyrtidae), and Anastatus sp. (Eupelmidae). Due to its abunden (91.5%) on soybean plantation, and its fair sex ratio, Telenomus sp.is believed to have a great potential for future development as a biological control agent on the green stink bug, N. viridula.
Komposisi dan struktur komunitas parasitoid hymenoptera antara kebun kopi yang dikelola secara organik dan konvensional di Kabupaten Aceh Tengah Syukur Hamdi; Sapdi Sapdi; Husni Husni
Jurnal Floratek Vol 10, No 2 (2015): Oktober 2015
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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Composition and Community Structure Hymenoptera Parasitoid Garden Maintained by Conventional and Organic Coffee In District Aceh TengahABSTRACT. This study aimed to obtain scientific information about the species or group of parasitoids associated with habitat, so as to build a database for the purposes of pest management in the future. This research was conducted in coffee plantations in Central Aceh District and continued identification in Pest Laboratory, Faculty of Agriculture UNSYIAH from June to November 2014. This study used a survey method. Insect sampling done by purposive sampling method on coffee plantations were managed conventionally and organically. Abundance of individuals, the number of families and species richness highest Hymenoptera encountered in the practice of organic farming over conventional coffee. Hymenoptera parasitoids composition of coffee plantations are managed organically composed of 13 families, while the coffee plantations were managed conventionally only 7 families. However, Hymenoptera parasitoid community structure on both habitat types are relatively the same because it is dominated by the families Braconidae and Ichneumonidae.
Pengaruh tinggi tempat terhadap tingkat serangan hama penggerek buah kakao (Conopomorpha cramerella Snellan) di Kabupaten Pidie Syarkawi Syarkawi; Husni Husni; Muhammad Sayuthi
Jurnal Floratek Vol 10, No 2 (2015): Oktober 2015
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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Effect of the Altitude on the Level of Cocoa Pod Borer (Conopomorpha Cramerella Snellen) Attack in Pidie DistrictABSTRACT. This study aims to look at the effect of altitude on the level of pest infestation C. cramerella, so getting information as a data source control of pests C. cramerella future. This study was conducted in garden cocoa folk in Pidie district, starting from January to March 2015. This study used survey method. Factors examined in this study was the effect of altitude on the level of C. cramerella attack, carried out with purposive sampling method. Altitude is divided into four categories (A = 0-200 m dpl, B = 201-400 m dpl, C = 401-600 m dpl, dan D = 601-800 m dpl). Altitude affects the level of attacks pests C. cramerella, the highest attack at the location A to 76.77%, and attacks decreased in the location D is 31%. PBK altitude affects the population, the highest population found in the location A with an average 328.60 compared to the location D is only 95.80. There is a positive correlation between the temperature with an attack percentage of fruit and pests C. cramerella population, but the humidity showed a negative correlation to the percentage of fruit attacks and pests C. cramerella populations.
Co-Authors Bintra Mailina Jauharlina Jauharlina Muhammad Sayuthi Sapdi Sapdi Syarkawi Syarkawi Syukur Hamdi