Article Per Year (5 Year)
p-Index From 2019 - 2024
0
P-Index
This Author published in this journals
All Journal Perspektif : Review Penelitian Tanaman Industri Perspektif, Review Penelitian Tanaman Industri
ELNA KARMAWATI
Indonesian Center for Estate Crops Research and Development
Agriculture, Biological Sciences & Forestry Education

Published : 3 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 3 Documents
Search

 1 
Control of Cocoa main pest (Conomorpoha cramerella and Helopeltis spp.) Using Botanical Pesticide and Biological Agents . SISWANTO; ELNA KARMAWATI
Perspektif Vol 11, No 2 (2012): Desember 2012
Publisher : Puslitbang Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/p.v11n2.2012.%p

Abstract

One of the causes of cacao low productivity in Indonesia is pests attack on the cacao plantation. There are many types of pests and diseases attacking the cacao trees, however, major pest on cacao plantation in Indonesia include cacao fruit borer (Conopomorpha cramerella) and fruit sucker ladybugs (Helopeltis spp.). To control these pests, farmers generally use chemical insecticides that have negative impacts on the environment. One effort to reduce the negative impacts in pests control is by using botanical pesticides and biological agents, such as parasitoids, predators, and pathogens that are friendly to the environment. The botanical pesticides that can be used to control cacao fruit borer (CFB) and Helopeltis spp. are tobacco, betel forest, neem, yam, anona, gliricidea, jatropha, suren, and tithonia. Entomopathogenic fungi potential to control CFB are B. bassiana, Spicaria sp., Fusarium sp., Verticilium sp., Acrostalagmus sp., Penicillium sp., and Paecilomyces fumosoroseus, while effective fungi to control Helopeltis spp. are B. bassiana and Spicaria sp. This paper describes some aspects related to major cacao pests (such as C. cramerella and Helopeltis spp.) and control effort that is environmentally sound.Keywords: cacao, C. cramerella, Helopeltis spp., botanical pesticides, biological agents
Potency of Sago Palm (Metroxylon spp.) as an Alternative for Raw Material of Biofuel M. SYAKIR; ELNA KARMAWATI
Perspektif Vol 12, No 2 (2013): Desember 2013
Publisher : Puslitbang Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/p.v12n2.2013.%p

Abstract

Indonesia is a country having the largest area of sago in the world. Sago is plant producing carbohydrate used as raw material of ethanol, therefore it has the largest potency to produce bio-ethanol as fossil fuel substitution. In the past, development of sago plantation was still in a forest, with 95% area located in the East of Indonesia as the rest is in the West. The productivity is varies depends on age and location with tha average of 90 to 700 kg per stem. If the productivity is 100 kg per stem with the population of 30 stems per ha, the total sago starch in Indoensia will be 6,84 millions ton per year. The constrains in development are plant material and cultivation technology, therefore their research and dissemination need to be increased. Beside to produce bioethanol, sago forest can absorb CO2 emission from tidal swamp, therefore Indonesia can earn carbon-trade compensation.   Keywords : Sago, potency, bioethanol, CO2 emission, superior varieties.
Potency of Sago Palm (Metroxylon spp.) as an Alternative for Raw Material of Biofuel M. SYAKIR; ELNA KARMAWATI
Perspektif Vol 12, No 2 (2013): Desember 2013
Publisher : Puslitbang Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/p.v12n2.2013.%p

Abstract

Indonesia is a country having the largest area of sago in the world. Sago is plant producing carbohydrate used as raw material of ethanol, therefore it has the largest potency to produce bio-ethanol as fossil fuel substitution. In the past, development of sago plantation was still in a forest, with 95% area located in the East of Indonesia as the rest is in the West. The productivity is varies depends on age and location with tha average of 90 to 700 kg per stem. If the productivity is 100 kg per stem with the population of 30 stems per ha, the total sago starch in Indoensia will be 6,84 millions ton per year. The constrains in development are plant material and cultivation technology, therefore their research and dissemination need to be increased. Beside to produce bioethanol, sago forest can absorb CO2 emission from tidal swamp, therefore Indonesia can earn carbon-trade compensation.   Keywords : Sago, potency, bioethanol, CO2 emission, superior varieties.
Co-Authors . SISWANTO M. SYAKIR