The Diversity of Leaf-Sucking Insect on Potato Leafandit’s Potential as Aninsect Vector Diseaseon Granola-L (G3) Varieties in Sembalun, East Lombok

M. Sarjan, M. Sarjan and Aluh Nikmatullah, Aluh Nikmatullah The Diversity of Leaf-Sucking Insect on Potato Leafandit’s Potential as Aninsect Vector Diseaseon Granola-L (G3) Varieties in Sembalun, East Lombok. University of Mat aram.

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Abstract

This study aims to determine the type and potential of pests on potato crops and to determine the intensity of virus attacks PLRV (Potato Leaf Roll Virus), PVY (Potato Virus Y), PVX (Potato Virus X) and also the presence of insects as a virus vector on the production of potato seeds on class (G3) Granola-L varieties in Sembalun East Lombok. Descriptive method was used in this research. The results showed four types of leaf-sucking insect associated with potato crops such as Aphids spp., Bemisiatabaci, Thrips palmi Karny and Tetranychus spp. The highest population and intensity of pest attack is at age 77 dap equal to 5921.5 with the attack intensity equal to 60.16%, the dominance of leaf-sucking insect is Aphids spp., equal to 49% with abundance equal to 19,79%. The positive results of ELISA showed that potato leaf samples at age 10 WAP (Week After Planting) positively contained virus with the seed plot in the north (plot III) and ELISA was further performed on border plant samples related to whether border plants were the right plants for limiting plants or not, positive results were also shown by the positive leaf samples of cassava plants that contained viruses. The virus that was detected in the G3 potato seed production field is transmitted by the vector insects, as the plant was attacked at the age of 5-6 WAP, if the plant virus is carried by the seed, then the early symptoms of the plant at 2-4 WAP (Week After Planting) will appear and will react positively when continued with ELISA. Potato virus vectors that have the potential to spread and transmit the virus consist of four major pests of potato plants such as Aphids (Myzuspersicae), Trips (Trips palmi),Mite (Tetranychus sp) and The silver leaf fly (Bemisiatabaci).

Item Type: Other
Keywords (Kata Kunci): Leaf sucking insects pest, virus deseases, potato seed
Subjects: S Agriculture > S Agriculture (General)
Divisions: Fakultas Pertanian
Depositing User: Ir. Aluh Nikmatullah, M.Agr.Sc.,Ph.D
Date Deposited: 22 Mar 2021 02:49
Last Modified: 22 Mar 2021 02:49
URI: http://eprints.unram.ac.id/id/eprint/21481

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