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Hasnah Hasnah
Prodi Agroteknologi Fakultas Pertanian Universitas Syiah Kuala Darussalam Banda Aceh
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KEEFEKTIFAN CENDAWAN Beauveria bassiana Vuill TERHADAP MORTALITAS KEPIK HIJAU Nezara viridula L. PADA STADIA NIMFA DAN IMAGO Hasnah Hasnah; Susanna Susanna; Husin Sably
Jurnal Floratek Vol 7, No 1 (2012)
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

The objectives of the study was to obtain an effective concentration of B. bassiana to control pests of N. Viridula.  Experiment was performed at Laboratory of Pest, Agriculture Faculty, Syiah Kuala University Darussalam, Banda Aceh. The experiment used a  faktorial completely randomized design (CRD).  Factors evaluated were (1) concentration of B. bassiana consisting of three levels: 2 gL-1 distilled water, 4 gL-1 distilled water, and 6 gL-1 distilled water, and (2) stadia of N. viridula consisting of 2 levels: third instar nymphs and imago. Variable observed were incubation period, mortality of N. viridula, time of death, and percentage of feeding inhibition. The results showed that concentration of B. bassiana and stadia of N. viridula had no effect on incubation period of fungus B. bassiana. Concentration of B. bassiana affected mortality and time of death of nymph and imago N. viridula. Concentration of fungus B. bassiana affected percentage of feeding inhibition. In general, fungus B. bassiana had a high potential on controlling insect N. viridula. 
PENGARUH EKSTRAK RIMPANG JERINGAU (Acorus calamus L.) TERHADAP MORTALITAS ULAT GRAYAK Spodoptera litura F. Hasnah Hasnah; Husni Husni; Ade Fardhisa
Jurnal Floratek Vol 7, No 2 (2012)
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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The purpose of this study was to obtain an effective concentration of the extract of sweet flag rhizome in controlling S. litura. This research was conducted at Laboratory of Plant Pests and Diseases, Agriculture Faculty, Syiah Kuala University, Banda Aceh. This research used a Completely Randomized Design (CRD) non-factorial, with six levels of extract concentrations, that is 0%, 3%, 6%, 9%, 12%, and 15%. Each treatment was repeated four times. The variables measured were mortality of larvae, percentage of formed pupae, percentage of emerging imago, and life length of imago. The results showed that application of the sweet flag rhizome extract affected mortality of larvae, formed pupae, emerging imago, and life length of imago S. litura. Use of sweet flag rhizome extract with a concentration of 3% was effective in controlling S. litura. Application of sweet flag rhizome extract with a concentration of 3% resulted in larval mortality up to 57.50%, formation of pupa only 20%, emerging imago 5%, and average life length of imago S. litura 1.25 days.
Co-Authors Ade Fardhisa Husin Sably Husni Husni Susanna Susanna