EFFECT OF COMBINATION OF GUAVA LEAVES EXTRACT WITH KAOLIN OR HORTICULTURAL MINERAL OIL (HMO) TO REPEL Diaphorina citri

SOLICHAH, HAMIDATUS (2024) EFFECT OF COMBINATION OF GUAVA LEAVES EXTRACT WITH KAOLIN OR HORTICULTURAL MINERAL OIL (HMO) TO REPEL Diaphorina citri. Other thesis, UPN Veteran Yogyakarta.

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Abstract

EFFECT OF COMBINATION OF GUAVA LEAVES EXTRACT WITH KAOLIN OR
HORTICULTURAL MINERAL OIL (HMO) TO REPEL Diaphorina citri
By: Hamidatus Solichah
Supervised by: Mofit Eko Poerwanto
ABSTRACT
Citrus is one of fruit that is favored by the world community, including Indonesia. Citrus Vein
Phloem Degeneration (CVPD) is a disease that causes citrus productivity to decrease. Diseases
caused by Candidatus Liberibacter asiaticus can be transmitted by CVPD infected seeds or
through its insect carrier (vector), Diaphorina citri. This study aimed to determine effect
combination of guava leaves extract with kaolin or horticultural mineral oil (HMO) to repel D.
citri and the optimal concentration that has repellent effect. The research was carried out from
November 2023 to February 2024. The research method was used choice test method, and non-
choice test method with three repetitions. It was arranged in a completely randomized design. The
combination of guava leaves extract with a concentration of 0.5%, 1% and 2% with kaolin 0.5 %
and HMO 0.5%. Parameters observed were the number of D. citri that moved and did not move,
which survived in the treatment container, and died, the percentage of repellency, the repellency
index, the number of citrus leaves, the length of the citrus leaves, and the length of citrus twigs.The
data obtained was analyzed by analysis of variance (Anova with a level of 5%), followed by
DMRT at a level of 5%. The concentration mixture of 2% guava leaves extract with 0.5% kaolin
had a repellency index against D. citri of 0.74 after being tested for 12 hours using a non-choice
test.
Keywords: Diaphorina citri, HMO, kaolin, guava leaves extract.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Diaphorina citri, HMO, kaolin, guava leaves extract.
Subjects:	S Agriculture > S Agriculture (General)
Divisions:	Faculty of Medicine, Health and Life Sciences > School of Biological Sciences
Depositing User:	Eko Yuli
Date Deposited:	25 Jun 2024 07:10
Last Modified:	25 Jun 2024 07:10
URI:	http://eprints.upnyk.ac.id/id/eprint/39936

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