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M. Tulung
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Agriculture, Biological Sciences & Forestry

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JENIS DAN POPULASI HAMA PADA TANAMAN STROBERI (Fragaria x ananassa Duscesne) Lanny I.M. Kessek; M. Tulung; Ch. L. Salaki
EUGENIA Vol. 21 No. 1 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.21.1.2015.11803

Abstract

ABSTRACT   The study aimed to: (1) know the type of pests and predator that lived during the growth and production of strawberry plants, (2) know the populations of pests associated to the strawberry plants during vegetative and generative development stages until harvest time. The methodology used was Descriptive Method. Sampling the pests associated to strawberry plants was taken by the Method of Deliberate (Purposive Sampling Method). In the vegetative stage, the plants were in 2-10 weeks after planting, and the generative stage of flowering plants until harvest time, or age 11-20 weeks after planting. The results showed that, the pests on strawberry plants growth and development in both vegetative and generative stages, i.e.: seven order were included in nine families, those were: order Orthoptera with Acrididae and Grylotalpidae families; order Coleoptera with Curculionidae and Chrysomelidae families; order Lepidoptera with Pyralidae families; order Diptera with Drosophilidae families; order Homoptera with Aphididea families; order Acari with Tetranychidae families, and order Mollusca. There were six types of pests which destroyed the leaves on  the vegetative phase, i.e.: Acida turita, Locusta sp., Valanga nigricornis, Chrysocus auratus, Tetranychus sp. and Aphis sp., and a kind of destructive root, that was Gryllotalpha sp. There were 11 types of pests in the generative phase, consisted of: a) six pest species destroyed the leaf, i.e.: Acida turita, Locusta sp., Valanga nigricornis, Chrysocus auratus, Tetranychus sp., and Aphis sp.; b) two kinds of fruit pests, those were : Drosphila sp. and Filicaulis bleekeri, c) as well as a type of root pest was Gryllotalpha sp. Keywords : population type and plant pests and predators; strawberry plants
INTERAKSI VARIETAS PEPAYA DAN PENYIRAMAN TERHADAP KUTU PUTIH Paracoccus marginatus Williams & Granara de Willink, (HEMIPTERA:PSEUDOCOCCIDAE) Robert W. Tairas; J. Pelealu; M. Tulung
EUGENIA Vol. 22 No. 2 (2016)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.22.2.2016.12961

Abstract

abstract This study aims to understand the interaction of varieties and watering the papaya mealybug in Bangkok and local plants. Research using Completaly Randomized design (CRD) with treatments that Papaya of varieties Bangkok, Lokal, and Watering. Parameters measured were population nymph, imago, and the attack rate of the mealybug P. marginatus on the part of the plant consists of a trunk, the upper leaves, leaves the middle, and bottom leaves. The results showed that the population of nymphs on papaya local watering every day at the upper leaves of the plant has the highest population as much as 71.85 individuals per leaf and the lowest found in papaya Bangkok on watering every three days on the underside of leaves of plants of 1.85 individuals per leaf. Imago population at the local papaya with a watering every day at the middle leaf has the highest population of 27.85 individuals per leaf and the lowest found in papaya Bangkok with a watering every three days at the bottom of the leaf has a population of 1.71 individuals per leaf. The percentage of mealybug attacks were highest in local varieties of papaya with every day watering time (90.89%), followed by papaya local time watering every two days (70.35%), papaya Bangkok time watering every day (67.92%), local papaya time watering every three days (57.32%), papaya Bangkok time watering every two days (42.72%), and papaya Bangkok time watering every 3 days (40.04%). Keywords: Paracoccus marginatus, mealybug, papaya, population, watering
PENGENDALIAN Conopomorpha cramerella Snell MENGGUNAKAN FEROMON SEKS DI DESA MAKARTI JAYA KABUPATEN POHUWATO PROVINSI GORONTALO Stevenlly J. Muliku; M. Tulung; B. A.N. Pinaria
EUGENIA Vol. 23 No. 2 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.23.2.2017.16777

Abstract

ABSTRACT Cocoa is one of the agricultural products that have a big role, especially in terms of employment, regional development, increasing farmer welfare and increasing revenues/foreign exchange. One of the main pests is the cruncher of cocoa C. cramerella Snell. The research aims to get the technology of environmentally friendly cacao borer pest control through the use of sex pheromone traps. The study was conducted in Makarti Jaya Village, Pohuwato District, Gorontalo Province for 3 months (January - March 2017), using Randomized Block Design (RAK), with 3 treatments and 6 replications. The result of the research is the use of the six traps of pheromone sex succeeded in decreasing the intensity of PBK pest attack, after one month of attack intensity attack trapping decreased to 2.23%, lower than pesticide application which only 4.49%.Keywords: pheromone sex Conopomorpha cramerella Snell, cacao fruit snipper
Co-Authors B. A.N. Pinaria Ch. L. Salaki J. Pelealu Lanny I.M. Kessek Robert W. Tairas Stevenlly J. Muliku