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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Jurnal Tanaman Industri dan Penyegar AGRIVITA, Journal of Agricultural Science
Gatot Mudjiono
Program Studi Ilmu Tanaman, Pasca Sarjana Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Industrial & Manufacturing Engineering

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Pengaruh Pengelolaan Habitat terhadap Serangan Conopomorpha cramerella dan Kepik Helopeltis antonii pada Kakao Purwaningsih, Ardiyanti; Mudjiono, Gatot; Karindah, Sri
Jurnal Tanaman Industri dan Penyegar Vol 1, No 3 (2014): Jurnal Tanaman Industri dan Penyegar
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

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Abstract

Pengelolaan habitat dengan menerapkan teknologi budidaya kakao yang baik harus dilakukan untuk memperbaiki kesuburan tanah, meningkatkan keanekaragaman hayati dan meningkatkan kesehatan tanaman. Tujuan penelitian adalah mengetahui pengaruh pengelolaan habitat terhadap serangan penggerek buah kakao (PBK) Conophomorpha cramerella dan kepik pengisap buah Helopeltis antonii. Penelitian dilaksanakan bulan Oktober 2013 sampai April 2014 di kebun kakao rakyat di Kecamatan Sumbermanjing Wetan, Kabupaten Malang, Jawa Timur. Desain penetapan sampel tanaman kakao ditentukan berdasarkan metode kuadran sistematik dua dimensi. Perlakuan terdiri dari petak pengelolaan habitat berupa aplikasi rorak, irigasi tetes dengan teh kompos, penambahan bahan organik, dan biopori cacing, dan petak konvensional yang dikelola berdasarkan kebiasaan petani. Masing-masing blok terdiri dari 24 sub blok pengamatan dan jumlah tanaman per sub blok adalah 4 pohon. Pengamatan meliputi jumlah buah, bobot biji basah, kelimpahan serangga, persentase dan intensitas serangan C. cramerella dan H. antonii. Hasil penelitian menunjukkan pengelolaan habitat secara signifikan meningkatkan jumlah buah kakao, meningkatkan keanekaragaman serangga terutama serangga yang menjadi musuh alami, serta menurunkan persentase dan intensitas serangan C. cramerella dan H. antonii.Kata kunci: Pengelolaan habitat, kakao, Conophomorpha cramerella, Helopeltis antoniiHabitat management of cocoa cultivation must be carried out to improve the fertility of soil, increase the biodiversity and the plant’s health. The objective of this study was to elucidate the effect of habitat management on the cocoa pod borer Conophomorpha cramerella and cocoa mirid Helopeltis antonii attack. The research was conducted from October 2013 to April 2014 in Sumbermanjing Wetan District, Malang Regency, East Java. The research was compared cocoa plantation with habitat management and the conventionally managed cocoa plantation as a control. Habitat manipulation techniques used in this research were providing ditch and worm biopores, applying organic matter and compost tea drip irrigation. There were 24 sub blocks for each plot and 4 plants per sub block. The results showed that the habitat management was capable to increase the number of cocoa pods, stimulate an increasing in the diversity of insects, particularly the number of natural enemies, and decrease the percentage and intensity of C. cramerella and H. antonii attack.
DIVERSITY OF ARTHROPODS ON COCOA PLANTATION IN THREE STRATA OF SHADE TREE Toana, Moh. Hibban; Mudjiono, Gatot; Karindah, Sri; Abadi, Abdul Latief
AGRIVITA, Journal of Agricultural Science Vol 36, No 2 (2014)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v36i2.395

Abstract

The Research was aimed to identifythe diversity of arthropods in Cocoa plantation inthree strataof shade tree. Research was conducted in Rahmat village, the sub-district of Palolo, District of Sigi, the Province of Central Sulawesi, Indonesia from December 2012 to June 2013.Berlese funnel, Pitfall, Malaise and Light trap were used to collect arthropod samples. There were five indices such as species richness (R), species evenness (E), species diversity (H`and D), and species similarity (Iss) to analyze the diversity of arthropods in cocoa plantations. The result showed that species richness (R) of arthropods under the two strata of shade tree, species evenness (E) and both of species diversity indices, Shannon (H`) & Simpson (D) was the highest, with value of 18,216, 0.839, 4.383, and 0.833 respectively. In addition, percentage of species similarity (Iss) was the highest under two strata of shade tree with value 72.297%.Keywords: arthropods, cocoa, species diversity, two strata of shadetree
Study of Arthropod Communities in A Virginia Tobacco Agro-Ecosystem Thei, Ruth Stella; Abadi, Abdul Latief; Mudjiono, Gatot; Suprayogo, Didik
Journal of Tropical Life Science Vol 3, No 2 (2013)
Publisher : Journal of Tropical Life Science

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Abstract

The cultivation of tobacco is one of users of agro-chemical substances such as insecticides, herbi-cides, defoliants, and fertilizers among other food crops and plants with high economical value. The use of these chemicals may bring negative effects regarding the richness and abundance of arthropods. The study of arthropod community in the Virginia tobacco ecosystem was carried out in Central Lombok, West Nusa Tenggara Province, during the 2010 plantation year. It was aimed at finding the composition, structure, and dynamic of the arthropod diversity around the tobacco field. Samples were obtained by using trapping techniques (pitfall traps, yellow-pan traps, and sweep net). The number of arthropods found in Virginia tobacco field are 69, consisting of 65 species of insects (belonging to 46 families and 8 orders) and 4 species of spiders (belonging to 4 families). The majority of insects found was Hymenoptera, dominated by bees. Based on the ecological functions, the major group of arthro-pods documented was phytophagous (20 species), mostly Coleoptera and Orthoptera. Yet, the number of predators was relatively more abundant than that of the phytophagous. The number of kinds of ar-thropods commonly interacting around the field fluctuated during the growing period, while in the cultivation period the number decreased. The diversity of the species (H) and the ratio of abundance of the natural enemies and phytophagous in the field was high.
The Influence of Environmental Factors to The Abundance of Scales (Hemiptera: Diaspididae) Population on Apple Crop Supriadi, Khojin; Mudjiono, Gatot; Abadi, Abdul Latief; Karindah, Sri
Journal of Tropical Life Science Vol 5, No 1 (2015)
Publisher : Journal of Tropical Life Science

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Abstract

This research aims to assess the environmental factors that affect the abundance of scales populations on the apple crop. The study was conducted in July 2012 to January 2013. The study was conducted at two sites with different altitude. Bumiaji village's altitude is ±900 m and Tulungrejo village's altitude is ±1,515 m asl. Multiple linear regression analysis was conducted to determine the environmental factors that affect the abundance of scales populations on the apple crop. Based on the results of the regression analysis, air temperature and humidity affect the abundance of scales populations in Binangun while rainfall and long solar radiation have no effect. Scales population abundance of the apple crop in Binangun was influenced by air temperature and humidity one week before. Based on the results of the regression analysis, air temperature, air humidity and rainfall affect the abun dance of scales population in Tulungrejo while long solar radiation has no effect. Scales population abundance ofthe apple crop in Tulungrejo was affected by air temperature two weeks before, while humidity and rainfall were affected one week before. The higher air temperature scales, flea population level will increase. And the higherrelative humidity, scales population levels will increase.
Co-Authors Abdul Latief Abadi Amalia Hakiki, Amalia Aminudin Afandhi Ardian Iman Pradhana Ardiyanti Purwaningsih, Ardiyanti Arif Hermanto Bachtiar Rachmad Sugiyono Bagas Pradana Aswarta Claudya Siktiani Eva Gunawan Didik Suprayogo Dycka Dwi Saputra Erlinda Damayanti Evana Nuzulia Pertiwi Fernia Nirmayanti Khojin Supriadi, Khojin Ludji Pantja Astuti Moh. Hibban Toana Retno Dyah Puspitarini Rina Rachmawati Ruth Stella Petrunella Thei Selya Iktafiana Ratih Sri Karindah Yulianto Nugroho