Poerwanto, Mofit Eko and Solichah, Chimayatus (2021) Role of Plant Volatile to Diaphorina citri on Feeding and Oviposition Behaviour. In: RSF Conference Series: Engineering and Technology, Oktober 2021, Yogyakarta.
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Abstract
Citrus production in Indonesia and in the world is suffered from disease of citrus vein phloem
degeneration (CVPD. It was vectored by psylids (Diaphorina citri). The psylids used citrus plant
volatiles as cues for finding their host plants for feeding and laying eggs. Extract of guava leaves was
a prospective control material for declaining population of psyllid. Investigation by research was
conducted to determine the effect of CVPD symptomatic citrus plants in attracting psylids gravid
female for staying and laying eggs, and also to determine the repellency ability of guava shoots to
adult psyllids. Citrus buds of healthy plants and CVPD symptomatic plants were exposed to ten gravid
female and the number of psylids stay and the number of eggs per bud was recorded. Y-tube
olfactometer was used to determine repellent effect of upper shoot, middle shoot, and bottom shoot
of guava leave to ten adult psyllids. The result shows that CVPD symptomatic plants was more
attractive for laying eggs, eventhough the number of eggs was higher on healthy plants. Repellence
effect to psyllids adult was identified in guava leave extracts. The increase of leaf age would decrease
the effect. It was suggested that repellent properties were highest youngest leaf or upper shoots of
guava.
Keywords: CVPD, D. Citri, Guava, Repelence, Citrus
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Subjects: | S Agriculture > S Agriculture (General) |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Ir. MP CHIMAYATUS SOLICHAH |
| Date Deposited: | 29 May 2023 05:27 |
| Last Modified: | 29 May 2023 05:28 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/35716 |
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