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All Journal Jurnal Penelitian Pertanian Tanaman Pangan
Sari, Anella Retna Kumala
Balai Pengkajian Teknologi Pertanian Bali
Agriculture, Biological Sciences & Forestry

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Keragaman Hama dan Musuh Alami pada Pertanaman Padi (Oryza sativa) di Wawotobi, Sulawesi Tenggara Sari, Anella Retna Kumala; Rahmawati, Dian; Samrin, Samrin
Jurnal Penelitian Pertanian Tanaman Pangan Vol 4, No 3 (2020): Desember 2020
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v4n3.2020.p145-151

Abstract

Obtaining an optimum high yield of rice is confronted by pests that disrupt the productivity. Pest control by applying chemical pesticide is dangerous for the natural enemies therefore, it is necessary to introduce an integrated pest management, based on the natural enemies conservation in the field. Research was conducted in Wawotobi, Konawe Regency, Southeast Sulawesi from Februari to Juni 2019, aimed to understand the diversity of pests and natural enemies in rice crop, particularly arthropods group. The information is useful as a resource base in the implementation of an integrated pest management on rice agroecosystem. Pest observation was done by catching the insects using sweep net and were directly counted at the location. Diversity index of pest was analyzed using Shannor-Weinner equation and insect dominance using Simpson Index of Dominance equation. The utilization of improved rice varieties greatly affected the population of pests and natural enemies. Total of 7 species of pest arthropods and 6 species of natural enemy arthropods were identified at the experimental location. Therefore, the population of pests and natural enemy arthropods were considered at balance. The most dominance pest arthropods was brown planthopper, particularly on Tarabas variety and spider was the most dominant natural enemy. 
Kajian Karakter Agronomi dan Daya Hasil Beberapa Varietas Unggul Baru Padi di Provinsi Bali Sari, Anella Retna Kumala; Hidayah, Ifti Nur; Astika, I Made
Jurnal Penelitian Pertanian Tanaman Pangan Vol 5, No 2 (2021): Agustus 2021
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v5n2.2021.p126-133

Abstract

A part from being famous for its tourism sector, Bali also has a special attraction in its agricultural sector, namely the subak system which has become a world cultural heritage. The sustainability of the Subak must be maintained, one of effort to create it is by maintaining the sustainability of land availability for food production through increasing the rice yields by using superior rice varieties that have the potential to increase farmers' income. Therefore, this study aims to examine the agronomic performance and yield of various superior rice varieties produced by Balitbangtan in the Bali Province. The study was carried out in the area of Bali Province namely Denpasar, Badung, Bangli, Buleleng, Gianyar, Karangasem and Jembrana in 2019 using Randomized Block Design consisting of various superior rice varieties treatments produced by Balitbangtan and cultivated by implementation the Integrated Crop Management technology on 0,5 ha land area in each area namely Towuti, Inpari-16, Inpari-20, Inpari-28, Inpari-43, Inpari-22, Inpari-32, Inpari-33 and the Cigeulis variety as a comparison and repeated five times. The results showed that all the superior rice varieties examined had great adaptability, growth and development were relatively as same as the Cigeulis variety. In addition, all superior rice varieties produced significantly greater yields than the Cigeulis variety therefore it could be considered as substitute for the use of the Cigeulis variety in Bali, especially the Inpari-28 variety which reached 8.24 t/ha, ± 3 t/ha higher than the Cigeulis variety.
Co-Authors Hidayah, Ifti Nur M.Pd S.T. S.Pd. I Gde Wawan Sudatha . Rahmawati, Dian Samrin, Samrin