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Fatiani Manik
Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry

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KAJIAN EPIZOOTIK Metarhizhium anisopliae PADA LARVA TRITIP (Plutella xylostella L.) (Lepidoptera: Plutellidae) DI RUMAH KACA Lamsihar O Simamora; Darma Bakti; Syahrial Oemry; Fatiani Manik
Jurnal Agroekoteknologi Vol 1, No 2 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (230.283 KB) | DOI: 10.32734/jaet.v1i2.1534

Abstract

Epizootic study of Metarhizium anisopliae against Larvae Tritip in greenhouse.                            The objective of this experiment to know the effectiveness of the mechanism of transmission of the fungi M. anisopliae  by larvae tritip in greenhouse. The research was conducted in Greenhouse Crops Research Institute for Tropical Fruit Tongkoh-Berastagi. The research used non-factorial completely randomized design with 5 treatments and 4 replications, which were: control(without infected by M. anisopliae), 5 larvae are infected by (5g, 10g,15g, 20g)/100ml M. anisopliae are transmitted to 5 healthy  larvae. The results showed that the concentration addition  of each suspension fungi M. anisopliae  increased the mortality of larvae infected directly by immersion, mortality is transmitted. The concentration addition of the suspension  fungi M. anisopliae increased transmission between larvae infected directly  immersion method to healthy larvae and can also reduce the intensity of the attacks tritip larvae. The highest percentage of larvae mortality infected directly immersion method was 52,5%. The highest percentage of transmitted larvae  mortality was 32,5% . The highest percentage of entirely larvae mortality was 95% . The highest percentage of larvae  was growed by fungi was 92,5%. The  highest percentage of damage was 59.25%.   Key words : Epizootic, biological control, Plutella xylostella L, Metarhizium anisopliae.
RESPONS PEMBERIAN PUPUK ORGANIK CAIR DAN NPK PADA TANAMAN BIWA ( Eriobotrya japonica Lindl. ) DI MAIN NURSERY Mery Susana Tarigan; Asil Barus; Fatiani Manik
Jurnal Agroekoteknologi Vol 3, No 1 (2015)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (157.069 KB) | DOI: 10.32734/jaet.v3i1.6980

Abstract

ABSTRACTResponse of Giving Liquid Organic Fertilizer and NPK At Biwa Plant (Eriobotrya japonica Lindl.) Inthe Main Nursery. Biwa plant nurseries face constraints in fertilizer recommendation. Thereforethrough liquid organic fertilizer and NPK plant is expected to boost growth in the nursery biwa.Research conducted at the Experiment Berastagi in March - June, 2013, using a factorial randomizedblock design with two factors: the concentration of organic manure (0, 5, 10 ml / L) and NPK fertilizerdoses (0, 5, 10 and 15 g / polybag ). The parameters measured were plant height, stem diameter, crownwidth, of the number of leaves, number of leaf chlorophyle and total leaf area. The results showed thatthe liquid fertilizer oganik significant effect on the amount of leaf chlorophyll but not significant effecton other parameters. NPK fertilizer significant effect on plant height, stem diameter, crown width, of thenumber of leaves, and total leaf area. Their interaction effect was not significant on all variablesobservations. The best results from this study were obtained in the treatment of liquid organic fertilizer10ml / L and 5 g of NPK fertilizer / polybag.Keywords: nursery, organic liquid fertilizer, NPK fertilizer, biwa.
Co-Authors asil barus Darma Bakti Lamsihar O Simamora Mery Susana Tarigan Syahrial Oemry