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Henny Makal
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Agriculture, Biological Sciences & Forestry

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PEMANFAATAN JAMUR Beauveria bassiana TERHADAP SERANGGA Aphis sp PADA TANAMAN CABE Bastian P. Wowiling; Christina Salaki; Henny Makal; Max Tulung
COCOS Vol. 6 No. 6 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.7971

Abstract

ABSTRACT  The study aims to determine the effect of the concentration of spores of the fungus Beauveria bassiana against Aphis sp insect mortality in the laboratory. implementation of the research carried out for three months from July to September 2014. Research using the method Completely Randomized Design (CRD) with four treatments, using B. bassiana spores concentration of 104, 105, 106 and control. Plants used was pepper plants. Each plant with different spore concentrations, in use ten tail pest Aphis sp. Observations on doing every day for one week, with a look at the mortality of each treatment. The results showed that the test insect mortality was highest at day 4 observation with treatment reaches 106 (80%) at follow treatment 105 (52.5%) and treatment of 104 (0%). Observation day 5 mortality in the test insect reaches 106 treatment (20%), then treatment of 105 (32.5%), and treatment of 104 (10%). The results showed that the test insect mortality was highest at day 4 observation with treatment reaches 106 (80%) at follow treatment 105 (52.5%) and treatment of 104 (0%). Observation day 5 mortality in the test insect reaches 106 treatment (20%), then treatment of 105 (32.5%), and treatment of 104 (10%). Observation day 6 the highest mortality of test insects found in treatment reaches 104 (90%), treatment of 105 (15%), and treatment of 106 (0%). In the control mortality was not found, but an increase in population.  Keywords : Beauveria bassiana, Chili Plants, and Aphis sp
INSIDENSI PENYAKIT KERDIL (Bunchy top virus) PADA TANAMAN PISANG (Musa paradisiaca L) DI KECAMATAN AER TEMBAGA KOTA BITUNG Sasmita Mokolintad; Redsway Maramis; Henny Makal
COCOS Vol. 13 No. 1 (2021): EDISI JANUARI-MARET 2021
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v2i2.32450

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ABSTRACTBanana (Musa paradisiaca L) is a commodity that is quite attractive to be developed andincreased its production, if it is viewed from the aspect of International trade. Indonesia is acountry is ranked sixth out of the to ten Banana producers in the world and accounts for around30% of domestic fruit production. Banana plants can grow well in low and high areas with analtitude of not more than 1600m above sea level. Many factors can inhibit plant growth,including disease attacks. Some Banana cuktivars that have been released are infected with theBunchy Top Virus. This study aims to determine the Incidence of Bunchy Top Virus attack onBanana plants in Bitung City, Aer Tembaga District, which is located in three villages, namely inKasawari Village, Makawidey Village, and Tandurusa Village. This research was carried out forthree from October to December 2018. This research was conducted by survey method or directobservation at the research location. The results of research on the Incidence of BananaBunchyTop Virus in Bitung city, Aer Tembaga sub-district in three villages. The highest averageIncidence of dwarf disease was in Makawidey villages 11,3%, followed by Tandurusa villages at10,6% then the ;owest Incidence occurred in Kasawari villages 3,45%.
Co-Authors Bastian P. Wowiling Christina Salaki Max Tulung Redsway Maramis Sasmita Mokolintad