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Dien, Moulwy Frits
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POPULASI DAN SERANGAN LARVA Batocera hercules Boisduv (COLEOPTERA: CERAMBYCIDAE) PADA TANAMAN PALA DI KECAMATAN KAUDITAN KABUPATEN MINAHASA UTARA Mamonto, Ruknindi D.L Mamonto D.L; Dien, Moulwy Frits; Rimbing, Jimmy
COCOS Vol 1, No 1 (2018)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i1.19300

Abstract

ABSTRACTNutmeg plant is a superior plant of plantation sub-sector of North Sulawesi Province. Basically nutmeg plants are still a source of income farmers at the center of nutmeg production in North Sulawesi. In the development of plants Pala problem faced by farmers is borer stem borer Batocera Hercules. This study aims to determine the population and attack of B. hercules, on nutmeg plants in Kauditan District of North Minahasa Regency. The research used survey method on nutmeg plantation in Kauditan District of North Minahasa Regency. Servey result set three villages as sample location that is Karagesan village, Treman village and Watudambo village.Determination of sample plants was done randomly by selecting each of 20 trees in each village. Observation and sampling is done 4 times with interval once a week. Thus, the total sample crop at each sample/village location is 80 trees. To avoid double observation, the observed plants are marked at the base of the stem and are not observed again.The results showed that from 80 sample plants observed in each village in Kauditan District of North Minahasa Regency, the largest larvae population was found in the Karegesan village ie as many as 38 heads, then Treman village 7 and Watudambo Village 2. The highest percentage of affected plants was found in Keregesan Village which reached an average of 60.00%, then Treman village 26.25% and Watudambo Village 15.00%. The highest level of damage to the crop was found at the site of Karegesan village which reached an average of 2.11 holes / trees, Treman village averaged 0.37 hole / tree, Watudambo village on average 0.16 hole / tree.Keywords : Plant Nutmeg, Population of larva, Batocera hercules
SERANGGA-SERANGGA PADA BERBAGAI JENIS BERAS DI PASAR TRADISIONAL KOTA MANADO1) THE INSECTS IN VARIOUS TYPES OF RICE IN TRADITIONAL MARKETS IN MANADO CITY1) Kawulusan, Joice L.A.; Manueke, Jusuf; Dien, Moulwy Frits
COCOS Vol 7, No 7 (2016)
Publisher : COCOS

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Abstract

ABSTRACT study aims to Determine the type and Insect Populations in a variety of commodity rice in the traditional market in the city of Manado from February to May 2015. The study used survey methods in some traditional markets in the city of Manado. Traditional markets as the sample location is Pinasungkulan market at (karombasan), Bersehati market at Calaca, Paal Dua market, and Bahu market. Sampling was done by "purposive sampling" is to take a sample of rice were allegedly attacked by pests. Samples were observed once a week for 1 month. Things were observed was kind of Pests and Pest Populations.The results Showed that different types of insect pests found in various commodities of rice in the traditional market town of Manado as many as six types consisting of 5 types of order Coleoptera and one type of the order Lepidoptera. The identification results show that the types of insect pests is Sitophillus sp. (Coleoptera; Curculionidae), Oryzaephilus sp. (Coleoptera; Silvanidae) Tribolium sp. (Coleoptera; Tenebrionidae), Ahasverus sp. (Coleoptera; Cucujidae), Cryptolestes sp. (Coleoptera; Cucujidae) and Corcyra sp. (Lepidoptera; Pyralidae). Observation of the insect pest Populations are highest on the type Sitophillus sp. roomates reached an average (10.77 tails) then successively Tribolium sp. (0,67 tail), Oryzaephillus sp. (0,25 tail), Cryptolestes sp. (0,17 tail), Ahasverus sp (0,15 tails) and Corcyra sp. (0,11 tail), whereas the insect pest population Observations on the location of the sample turned out to be the highest found in traditional markets Bersehati market at Calaca2Reached an average of 5.68 tail, then successively Pinasungkulan market at Karombasan 2.90 tails, Bahu market at Bahu 2.37 tails and Paal Dua market at Paal Dua 1.77 tails.Keywords : Rise, Werehouse pests