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Kab. jember,
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INDONESIA
Jurnal Pengendalian Hayati
Published by Universitas Jember
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Pengendalian Hayati merupakan jurnal pengetahuan yang menyajikan artikel mengenai hasil penelitian serta perkembangan mutakhir pengendalian organisme pengganggu tumbuhan dengan memanfaatkan agensia pengendali hayati baik terhadap hama, penyebab penyakit dan gulma.
Arjuna Subject : -
Articles 32 Documents
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Keragaman Arthropoda Herbivora dan Musuh Alami Pada Tanaman Padi Lahan Rawa di Rowopulo Kecamatan Gumukmas Kabupaten Jember Muflih Adnan; Wagiyana .
Jurnal Pengendalian Hayati Vol 2 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jph.v2i1.17132

Abstract

Rowopulo is one of the swamps in Gumukmas, Jember Regency with its unique soil in the form of peat soil that floats on water and by the community used for rice cultivation whose production is influenced by the presence of Plant Pests (OPT) which is dominated by the Herbivod Arthropods. The presence of herbivorous Arthropods in the swampland rice ecosystem can be suppressed by the presence of useful Arthropod populations such as predators, parasitoids and pollinators. Related to this, a study was conducted with the aim to find out the diversity of Arthropods found in swampy rice plantations. The study began with a land survey, then the determination and marking of observation plots on the map and matching these locations using GPS (Global Positioning System). Observations were made on plots that were made based on the extent of rice plants that were still in one stretch and the same irrigation flow. Each plot was observed 10 times at 7-day intervals from rice plants aged 14 days after 77 days after planting. Arthropod sampling using sweep net method. Catching arthropods are put into vials of 5 ml size and then identified up to family level and the diversity, evenness and wealth index of the species is calculated. The results of research on swamp rice plants contained 37 families. 10 families act as herbivorous Arthropods, 15 families as predators, 6 families as parasitoids, 1 family as pollinators and 5 families as detritivores. The highest diversity index in plot 1 was 2.95, while the lowest in plot 2 was 2.70 with the medium category for all observation plots. The magnitude of the diversity index is due to the dominance of only a few orders, such as Orthoptera and Diptera; the highest species wealth index in plot 3 with a value of more than 4 in the high category; Evenness index of all observation plots has a value of less than one with uneven categories.
Pengaruh Kompos dan PGPR (Plant Growth Promoting Rhizobacteria) Pada Lahan Kering Terhadap Produksi Sawi (Brassica rapa L.) Farida Puput Kurniasih; Raden Soedrajat
Jurnal Pengendalian Hayati Vol 2 No 2 (2019)
Publisher : Fakultas Pertanian Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jph.v2i2.17144

Abstract

The increasing of demand for agricultural product and the narrowing of fields where fields are currently being prioritized for cultivating food crops forcing them to take and use dry land. Problem happened by conducting agricultural activities on dry land such as limited water availability, low microorganism population and low nutrient avaibility. Water avaibility on dry land can be optimized by providing compost and PGPR. The productivity of Sawi nauli varieties according to the minister of agriculture decision (2009) that 37-39 tons/ha with a population per hectare are 93.000 plants. This purpose of this study is to determine the effect of compost and PGPR on dry land about pakchoy productivity. This study also used factorial completely randomized design and replicated 3 times. The design of two treatments are: The first: compost which consists of 4 levels with a dose of 5 kilograms of soil, 4900 grams of soil with 100 grams of compost, 4800 grams of soil with 200 grams of compost, 4700 grams of soil with 300 grams of compost. For the second factor is PGPR which consists of 4 levels with a dose of 0 milligrams/plant, 100 milligrams/plant, 200 milligram/plant and 300 milligram/plant. The data obtained were analyzed by using analysis of variance (ANOVA). Then, the results obtained from the ANOVA test were followed by the Standart Error Mean (SEM). Based on the results of the study it is known that there are influences from each single factor and combination of treatments. Compost treatment showed significantly different results on variable number of leaves, number of leaf chlorophyll and dry weight of plants. Whereas there is a very significant effect on plant height and plant fresh weight. On a single factor PGPR showed no significant results on variable plant height, number of leaf chlorophyll, but showed a significant effect on variable number of leaves, plant fresh weight and plant dry weight. The combination of compost and PGPR treatment showed no significant results on variable plant height, number of leaves, number of leaf chlorophyll, and plant dry weight. The treatment combination treatment showed a significant effect on the fresh weight variable of the plant

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