CD Skripsi

Uji Beberapa Konsentrasi Ekstrak Tepung Daun Paitan (Tithonia Diversifolia A. Gray) Terhadap Mortalitas Larva Penggerek Tongkol Jagung Helicoverpa Armigera Hubner

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Borer pests of corn cobs (Helicoverpa armigera Hubner) is a major pest of
corn. Pest control can be done using plant-based insecticides from paitan leaf
extract (Tithonia diversifolia A. Gray). This study aims to get the best
concentration of paitan leaf extract extract in controlling corn cob borer
Helicoverpa armigera. The study was conducted at the Plant Pest Laboratory of
the Faculty of Agriculture, University of Riau. The research was carried out
experimentally using a completely randomized design (CRD) consisting of 5
treatments and 4 replications. The treatments used were several concentrations of
paitan leaf extract, 0 g.l-1
, 25 g.l-1, 50 g.l-1, 75 g.l-1and 100 g.l-1. Parameters
observed were initial death, lethal time 50, lethal concentration (LC50 and LC95),
daily mortality and total mortality.data. Data collected from daily mortality were
descriptively analyzed and displayed graphically. Data lethal concentration (LC50
and LC95) were analyzed probit using the POLO-PC program, while other data
such as initial death, total mortality and lethal time (LT50) ware analyzed with
analisysis of variance. Data from analysis of variance with significant effect will
be continued using the smallest significant difference (LSD) test at 5% level.
Results of the research showed that the application of paitan leaf extract with a
concentration of 100 g.l-1 water was able to control H. armigera with a mortality
of 55.00%. The right concentration to cause mortality of 50% oflarvae H.
armigera is 10.3% or equal to 103 g.l-1 of water of paitan leaf extract, meanwhile
the right concentration to cause mortality of 95% oflarvae population H. armigera
is 44.7% or equivalent to 447 g.l-1 water of paitan leaf extract.
Keywords: Paitan leaf, Helicoverpa armigera, vegetable insecticide.

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

06 01. 120 (0053)

Penerbit

Pekanbaru : Universitas Riau – Fakultas Pertanian - Agroteknologi., 2020

Deskripsi Fisik

xii, 29 hlm.; ill.: 29 cm

Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

06 01. 120 (0053)

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

Agroteknologi

Info Detail Spesifik

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Pernyataan Tanggungjawab

Daus

Versi lain/terkait

Lampiran Berkas

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