THE EFFECT OF Metarhizium anisopliae ISOLATE DIVERSITY AT VARIOUS VOLUMES OF WATERING ON WHITE GRUB (Lepidiota stigma) MORTALITY

Sheiladiva, Clarisa (2023) THE EFFECT OF Metarhizium anisopliae ISOLATE DIVERSITY AT VARIOUS VOLUMES OF WATERING ON WHITE GRUB (Lepidiota stigma) MORTALITY. Diploma thesis, Universitas Pembangunan Nasional "Veteran" Yogyakarta.

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Abstract

Lepidiota stigma is a major pest of sugarcane that can reduce productivity by up to
50%. Biological agents that can be used to control white grub (Lepidiota stigma)
pests can be in the form of entomopathogenic microorganisms, one of which is the
fungus Metarhizium anisopliae. The purpose of this research is to examine the
effect of Metarhizium anisopliae isolate diversity at various volumes of watering
on the mortality of white grub (Lepidiota stigma). The research was conducted at
the Plant Protection Laboratory of the Faculty of Agriculture UPN "Veteran"
Yogyakarta in February–July 2023. The research was conducted using a completely
randomized design (CRD) with two factors: the diversity of isolate origins (without
isolates, Metarhizium anisopliae from Lepidiota stigma Lab. UGM, Metarhizium
anisopliae from Oryctes rhinoceros LPHPT Bantul, and Metarhizium anisopliae
from Oryctes rhinoceros Lab. Hayati Pakem), and watering volume (7,5 mL, 15
mL, 30 mL) with 3 repetitions for each treatment. The research parameters tested
are mortality of Lepidiota stigma, death rate of Lepidiota stigma, medium humidity,
and pest feeding ability. Data analysis will be carried out using the ANOVA test
and continue with Duncan's Multiple Range Test (DMRT) at the 5% level.
treatment of the origin diversity of Metarhizium anisopliae isolates and the
treatment of watering volume on the mortality of white grub (Lepidiota stigma). A
watering volume treatment of 30 mL was able to increase the mortality of Lepidiota
stigma, the death rate of Lepidiota stigma, media humidity, and decrease the pest's
feeding ability.
Keywords : White grub, Metarhizium anisopliae, entomopathogen, mortality,
sugarcane

Item Type:	Thesis (Diploma)
Subjects:	S Agriculture > S Agriculture (General)
Divisions:	Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User:	Eny Suparny
Date Deposited:	22 Sep 2023 07:36
Last Modified:	22 Sep 2023 07:36
URI:	http://eprints.upnyk.ac.id/id/eprint/37654

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