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Yacob Bodang

Fakultas Pertanian Universitas Papua

Author-ID : 5772284

Agriculture, Biological Sciences & Forestry

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Ketahanan beberapa genotipe ubi jalar ( Ipomoea batatas L. ) terhadap hama boleng Cylas formicarius Fabricus Kristina Uviani Samosir; Yacob Bodang; Yohanis Amos Mustamu; Herman Wafom Tubur; Rizald Hussein
Agrotek Vol 9 No 2 (2021): Desember
Publisher : Fakultas Pertanian Universitas Papua

The aim of this study was to measure the resistance of several sweet potato genotypes to C. formicarus Fabricus (Coleoptera: Curculionidae) attack. The design used in this study was a randomized block design (RAK) with 9 treatments and 3 replications, so that 27 experimental units were obtained. The genotype treatmens were Antin 1, Antin 2, Antin 3, Koya 2, Koya 4, Koya 6, Beta 2, Kidal, and Salosa. The results of the analysis showed that all of the tested genotypes were naturally damaged by C. formicarius pests both at the base of the stem and on the tubers. The intensity of tuber damage caused by C. formicarius among 9 tested genotypes was the highest in the Salosa genotype (17.593%) and the lowest was in the Antin 1 genotype (5.553%). The intensity of damage to the base of the stem caused by C. formicarius among the 9 genotypes tested was the highest in the Antin 1 genotype (61.110%) and the lowest was in the Left-handed genotype (47,333%). Colonization (infestation) of C. formicarius in the test genotype occurred from the beginning of the observation at 4 week until the plants were harvested (tubers formed). The egg and larvae populations in this study were not found, while the number of imago from each test genotype was different with the highest population was in the Antin 1 genotype (3,3200 individuals), then the lowest imago population was in the Antin 3 and salosa genotypes with an average value of 2.1467 individuals. The resistant genotypes were Koya 4, Salosa, and Beta 2, while genotypes that were moderately resistant were Koya 2, Kidal, Antin 3, but Antin 2, Koya 6 and Antin 1 were sensitive genotypes.

Inventarisasi dan Identifikasi Hama Utama Kedelai Pada Fase Pertumbuhan Generatif Tanaman Kedelai (Glycine Max (L.) Merril) Di Kebun Percobaan Manggoapi Fakultas Pertanian Universitas Papua Juarti Rahayu; Yacob Bodang; Sutiharni; Adelin Elsina Tanati; Antonius Suparno
Agrotek Vol 8 No 1 (2020): Juli
Publisher : Fakultas Pertanian Universitas Papua

This study aimed to inventory and identify the types of insect pests that damage soybean plants in the generative phase and describe the symptoms of damage caused. The results showed that there were 6 (six) main insect pests that caused damage to soybean plants in the generative phase, namely Phaedonia inclusa, Nezara viridula, Riptortus linearis, Chrysodeixis chalcites, Etiella zinckenella, and Lamprosema indicata. It was suspected that the presence of these 6 types of insects was influenced by two factors, namely internal factors (the characteristics possessed by the insect itself such as the ability to reproduce, the nature or how to maintain themselves and also the age of the insect) and external factors that was climatic factors such as temperature, humidity and rainfall (Jumar, 2000). The 6 pests were found to damage soybean plants by biting and chewing plant parts, but there were also those that damaged plants by piercing and sucking plant fluids.

Preferensi bekicot Achatina fulica Bowitch., (Pulmonata : Achatinadea) terhadap beberapa jenis tanaman sebagai pakan di daerah Manokwari Dwi Irianti Handayani; Alexander Yaku; Yacob Bodang; Adelin Elsina Tanati; Sutiharni
Agrotek Vol 7 No 2 (2019): Desember
Publisher : Fakultas Pertanian Universitas Papua

Preference is a form of statement that expresses feelings of preferring one thing over another. This study aimed to determine the preferences of snails (Achatina fulica) to several types of plants in the area of Manokwari. The method used in this research were descriptive method and field observation. Observations in the field were carried out by inventory of snails from the six plants, namely gedi, banana, papaya, sweet potato, cassava, and mustard greens, while data collection in the yard was carried out with an olfactometer to see the interest of snails in several types of plants. The results showed that snails liked the gedi plant the most while the least preferred was cassava.

Co-Authors Alexander Yaku Antonius Suparno Dwi Irianti Handayani Herman Wafom Tubur Juarti Rahayu Kristina Uviani Samosir Rizald Hussein Sutiharni Yohanis Amos Mustamu

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