Ramadhan, D. Ashari and Susilo, FX and Yasin, Nur and Swibawa, I Gede (2021) PENGARUH SERANGAN HAMA KUTU PUTIH (Phenacoccus manihoti Matile Ferrero) TERHADAP PRODUKSI UBIKAYU (Manihot esculenta Crantz). AGROTEK TROPIKA, 09 (02). pp. 207-214. ISSN 2337-4993

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2021 Ramadan Dicky et al. 2021 Pengaruh serangan Kutu putih, Agrotek Tropika.pdf

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Abstract

Cassava is one of the important food crops in Indonesia, but it has a mealybug (Phenacoccus manihoti Matile-Ferrero) problem. The mealybug attack can reduce cassava production. This study aims to 1)determine the level of mealybug attack and 2) determine the effect of mealybug attack on cassava pro�duction in South Lampung and Central Lampung. This research was conducted in three cassava plots in South Lampung and Central Lampung. Research activities in the first plot and the second plot were done in April 2018 - September 2018, and in August 2018, respectively while research in the third plot was done in January 2019 - March 2019. The mealybug attack was expressed by the number of cassava plants that showed a bunchy-top symptom(%), while the production of cassava plants was expressed by the tuber weight and tuber number. The tuber weight and tuber number, attacked by mealybug versus healthy cassava plants, were analyzed using paired t tests at 1% or 5% significance level. The results of the study showed that the mealybug attack reduced cassava production in the Central and South Lampung re�gions. The rate of mealybug attack varied from 4,7% to 8,7%. The mean value of tuber weight from cassava plants attacked by the mealybug decreased 728,3 g/stem while the mean value of tuber size decreased 50,5 g/tuber. The mean value of tuber number from cassava plants attacked by the mealybug decreased 2 tubers/stem.

Item Type: Article
Subjects: S Agriculture > S Agriculture (General)
Divisions: Fakultas Pertanian (FP) > Prodi Proteksi Tanaman
Depositing User: I GEDE SWI I Gede Swibawa
Date Deposited: 14 Nov 2021 02:07
Last Modified: 14 Nov 2021 02:07
URI: http://repository.lppm.unila.ac.id/id/eprint/36701

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