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All Journal Stigma : Jurnal Matematika dan Ilmu Pengetahuan Alam Unipa
A. Maghfiroh
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Mathematics

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PENGENDALIAN HAMA ULAT TANAH (Agrotis ipsilon) DAN ULAT GRAYAK (Spodoptera exiqua) PADA TANAMAN BAWANG PREI (Allium porrum) DENGAN BIOINSEKTISIDA EKSTRAK DAUN KERSEN (Muntingia calabura) A. Maghfiroh; Diah Karunia Binawati
STIGMA: Jurnal Matematika dan Ilmu Pengetahuan Alam Unipa Vol 6 No 02 (2013)
Publisher : FMIPA : Universitas PGRI Adi Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/stigma.vol6.no02.a524

Abstract

The activity of cherry leaf (Muntingia calabura) extract as bioinsectiside on black cutworm (Agrotis ipsilon) and beet armyworm (Spodoptera exiqua) was conducted. In this work also studied effect of application of cherry leaf extract on number of leek plants (Allium porrum) doughter. Five hundred black cutworm and beet armyworm, repectively randomly divide into 4 groups and 25 head of black cutworm and beet armyworm enter into plastic jar and sprayed by 0, 2,0, 5,5, dan 7.5% cherry leaf extract in water. Mortality were abserved at 24 hours after application and number of leek plants doughter at 5 weeks with frekwensi of spray 1 times per day. Result shown that sprayed of cherry leaf extract have significat effect (P<0,05) on mortality and number of leek plants. Lethal concentration 50 of cherry leaf extract black armyworm and beet armyworm are 3,72% and 7,5%, repectively. Meanwhile, hightest number of leek plant have obtained from sprayed 7,5% cherry leaf extract concentration. Key words: cherry leaf, bioinsectiside, black cutworm , beet armyworm, leek plants.
Co-Authors Diah Karunia Binawati