THE EFFECTIVENESS OF NEEM AND TOBACCO LEAVES EXTRACT AGAINST Aphis gossypii Glover ON RED OKRA PLANT (Abelmoschus esculentus L. Moench)

Amalia, Afifah Nur (2025) THE EFFECTIVENESS OF NEEM AND TOBACCO LEAVES EXTRACT AGAINST Aphis gossypii Glover ON RED OKRA PLANT (Abelmoschus esculentus L. Moench). Skripsi thesis, UPN "Veteran" Yogyakarta.

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Abstract

Okra (Abelmoschus esculentus L.) is a plant that has economic value,
namely in the fruit and seeds and many benefits. This study aimed to test the
effectiveness of neem and tobacco leaves extract against Aphis gossypii Glover on
red okra plants (Abelmoschus esculentus L. Moench). This research was conducted
in April-June 2025 at Ardana Garden and Plant Protection Laboratory, Faculty of
Agriculture, UPN "Veteran" Yogyakarta, Condongcatur, Depok District, Sleman
Regency, Special Region of Yogyakarta. The experiment design was a Completely
Randomized Block Design (CRBD) with 7 treatments and was repeated 3 times.
The treatments tested were C1: control negative (aquadest), C2: control positive
with the active ingredients Imidakloprid 100 g/L, M1: neem leaves extract 20%,
M2: tobacco leaves extract 20%, M3: neem leaves extract 5% + neem leaves extract
15%, M4: neem leaves extract 15% + tobacco leaves extract 5%, M5: neem leaves
extract 10% + tobacco leaves extract 10%. Data were analyzed using analysis of
variance (ANOVA) at the 5% level. If it showed a significant effect, it is continued
with the Duncan Multiple Range Test (DMRT) at the 5% level and contrast
orthogonal at the 5% level. The results of the study showed that neem and tobacco
leaf extracts, either singly or in combination, significantly reduced the intensity of
damage, shortened the lethal time, and increased mortality and effectiveness in
controlling Aphis gossypii Glover. The 20% tobacco treatment and other
combinations of neem and tobacco (5%+15%, 15%+5%, 10%+10%) provided
equally good results seen in the parameters of the highest mortality rate, the lowest
aphid population, lethal time, and comparable or even better control effectiveness
compared to the synthetic insecticide Imidacloprid.
Key word: Okra, neem, tobacco, aphis, Imidacloprid

Item Type: Tugas Akhir (Skripsi)
Additional Information: Afifah Nur Amalia (Penulis-134210156) ; R.R. Rukmowati Brotodjojo (Pembimbing)
Uncontrolled Keywords: Okra, neem, tobacco, aphis, Imidacloprid
Subjek: S Agriculture > S Agriculture (General)
Divisions: Fakultas Pertanian > (S1) Agroteknologi
Depositing User: A.Md Eko Suprapti
Date Deposited: 20 Nov 2025 02:59
Last Modified: 20 Nov 2025 02:59
URI: http://eprints.upnyk.ac.id/id/eprint/45618

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