scholarly journals JENIS PARASITOID TELUR HAMA Conopomorpha cramerella PADA TANAMAN KAKAO DI SULAWESI UTARA

EUGENIA ◽  
2011 ◽  
Vol 17 (1) ◽  
pp. 21
Author(s):  
D. Kandowangko ◽  
R. Engka ◽  
J. Rimbing
Keyword(s):  
Rainy Season ◽  
Perfect Stage ◽  
North Sulawesi

Controllling of pestpopulationon cocoa fruitis moreeffectiveandefficientusingeggparasitoid.Parasitoidtype on cocoa fruit pestC. cramerella in North Sulawesi has not been investigated. Investigation ofparasitoid type on cocoa fruit pestC. cramerella in North Sulawesi was initiated by collecting cacao podsto observethe eggs ofCoryra cephalonicaandtrapingof itseggs. Samples of cocoa fruits were collectedthree times. Each collecting samples, the cocoa fruitswere gathered between 45-80each time.TheCoryra cephalonicaeggswere trapped between4000-600of each trapping. The result showed that only1-2eggsthat grew into theperfect stage, whereas eggs which were not grown to perfect stage were6-14eggs. The rest of the eggs were not grown.The finding indicated thatparasitoid type on cocoa fruitpestC. cramerella in North Sulawesiwas not found. Rainy season during collecting samples could causethe eggs of C. cramerellanot grown. ABSTRAKUntuk menekan populasi hama penggerek buah kakao yang lebih efektif dan efisien dapat dilakukandengan menggunakan parasitoid telur. Jenis parasitoid hama penggerek buah kakao, C. cramerella diSulawesi Utara belum diketahui. Untuk mendapatkan data parasitoid dilakukan pengambilan contohbuah untuk mengamati telur-telur C. cephalonica dan traping telur Coryra cephalonica. Lokasi penelitianadalah Desa Kumu Kabupaten Minahasa, Desa Sapa dan Pungkol Kabupaten Minahasa Selatan.Penelitian dilakukan selama tiga kali dengan mengambil contoh buah kakao 45 - 80 buah perpengambilan dan traping telur berkisar 4000 – 600 butir per peletakkan. Dari sejumlah telur yangditemukan hanya 1 – 2 butir yang berkembang menjadi sempurna, sedangkan telur yang tidakberkembang secara sempurna lebih tinggi berkisar antara 6 – 14 butir. Jumlah telur yang tidakberkembang secara sempurna cukup tinggi, hal ini merupakan salah satu faktor pembatas, sehinggabelum ditemukan parasitoid telur hama penggerek buah kakao. Selama penelitian berlangsung terjadimusim hujan, hal ini yang mungkin berpengaruh terhadap perlkembang telur C. cramerella.Pengambilan contoh pertama terdapat bekas telur-telur C. cramerella yang terparasit dan pada periodeterjadi musim kemarau. Demikian pula dengan melakukan traping telur, C. cephalonica padapertanaman kakao diketiga lokasi sebanyak 3 kali untuk setiap lokasi belum ditemukan parasitoid yangmemarasit telur C. cephalonica.

scholarly journals Jenis, komposisi, dan kepadatan sampah laut di Teluk Manado, Sulawesi Utara, pada musim hujan (Type, composition, and density of marine litter in Manado Bay during rainy season)

2020 ◽  
Vol 8 (1) ◽  
pp. 1
Author(s):  
Lindon R Pane ◽  
Wilmy E Pelle ◽  
Suzanne J Undap ◽  
Natalie D.C Rumampuk ◽  
Veibe Warouw ◽  
...  
Keyword(s):  
Rainy Season ◽  
Litter Type ◽  
Marine Litter ◽  
Significant Contributor ◽  
North Sulawesi ◽  
Type Composition ◽  
Plastic Type ◽  
Size Groups ◽  
Beach Litter

During rainy season, a various type of litter can enter the ocean through rivers. This is a significant contributor to the amount of marine litter in the waters. In order to access the type, composition, and density of the litter during rainy season, this study was conducted in Manado Bay, North Sulawesi. The observation was done on the litter stranded on the beach, and they were classified into two different size groups, macro (>2,5 cm)- and meso (0,5-2,5 cm)-sizes. Malalayang Beach and Bailang Beach were chosen for the location of the study. Litter type, composition, and density was evaluated according to National Marine Litter Monitoring Guide. The result showed that there were 7 types of macro-size and 6 types of meso-size marine litter in Malalayang Beach and it was dominated by glass and ceramic for both sizes. In Bailang Beach, 9 types of macro-size and 7 of meso-size were found, and it was dominated by plastics. It can be concluded that various type of marine litter present in Manado Bay, both macro- and meso- sizes, during the rainy season. The highest composition was the glass and ceramics type. However, the highest density was the plastic type.---Pada musim hujan, berbagai jenis sampah dari daratan masuk ke perairan pantai melalui sungai. Hal ini merupakan penyumbang signifikan bagi jumlah sampah laut di perairan. Untuk menilai jenis bahan, komposisi, dan kepadatan sampah laut pada musim hujan, penelitian ini dilakukan di Teluk Manado, Sulawesi Bagian Utara. Pengamatan dilakukan terhadap sampah laut yang terdampar di pantai (beach litter), berukuran makro (> 2,5 cm) dan meso (0,5-2,5 cm), di dua lokasi, yaitu Pantai Malalayang dan Pantai Bailang. Sampah laut dievaluasi menggunakan Pedoman Nasional tentang Pemantauan Sampah Pantai. Hasil penelitian menunjukkan, sampah laut jenis plastik, kaca & keramik, busa plastik, kertas & kardus, logam, karet, kayu, kain, dan bahan lainnya, baik berukuran makro maupun meso ditemukan di perairan. Di Pantai Bailang, komposisi sampah laut berukuran makro dan meso didominasi oleh jenis bahan plastik; tetapi, di Pantai Malalayang didominasi oleh jenis kaca & keramik. Demikian juga untuk kepadatan sampah laut di Pantai Bailang, jenis bahan plastik mendominasi, baik sampah berukuran makro maupun meso. Sedangkan di Pantai Malalayang, jenis kaca & keramik mendominasi kepadatan sampah laut pada semua ukuran. Selanjutnya, dapat disimpulkan, pada musim hujan, berbagai jenis bahan sampah laut berada di Teluk Manado, baik berukuran makro maupun meso. Komposisi terbesar untuk ukuran makro dan meso ialah jenis bahan kaca & keramik. Namun, kepadatan tertinggi untuk ukuran makro dan meso ialah sampah jenis bahan plastik.

PENERAPAN ALGORITMA K-MEANS UNTUK PENGELOMPOKAN DAERAH RAWAN BENCANA DI INDONESIA

2019 ◽  
Vol 1 (2) ◽  
pp. 1-10
Author(s):  
Amril Mutoi Siregar
Keyword(s):  
Natural Disasters ◽  
Accurate Data ◽  
Disaster Victims ◽  
Central Java ◽  
North Sulawesi ◽  
Natural Beauty ◽  
Or Groups ◽  
Disaster Data ◽  
The Government ◽  
Almost All

Indonesia is a country located in the equator, which has beautiful natural. It has a mountainous constellation, beaches and wider oceans than land, so that Indonesia has extraordinary natural beauty assets compared to other countries. Behind the beauty of natural it turns out that it has many potential natural disasters in almost all provinces in Indonesia, in the form of landslides, earthquakes, tsunamis, Mount Meletus and others. The problem is that the government must have accurate data to deal with disasters throughout the province, where disaster data can be in categories or groups of regions into very vulnerable, medium, and low disaster areas. It is often found when a disaster occurs, many found that the distribution of long-term assistance because the stock for disaster-prone areas is not well available. In the study, it will be proposed to group disaster-prone areas throughout the province in Indonesia using the k-means algorithm. The expected results can group all regions that are very prone to disasters. Thus, the results can be Province West java, central java very vulnerable categories, provinces Aceh, North Sumatera, West Sumatera, east Java and North Sulawesi in the medium category, provinces Bengkulu, Lampung, Riau Island, Babel, DIY, Bali, West Kalimantan, North Kalimantan, Central Sulawesi, West Sulawesi, Maluku, North Maluku, Papua, west Papua including of rare categories. With the results obtained in this study, the government can map disaster-prone areas as well as prepare emergency response assistance quickly. In order to reduce the death toll and it is important to improve the services of disaster victims. With accurate data can provide prompt and appropriate assistance for victims of natural disasters.

Extending the processing of cocoa beans into the rainy season and increasing production by application of newly developed drying methods

2017 ◽  
Author(s):  
Global Cocoa Farmers and Processing Firms and Processing Firms ◽  
IQUAIBOM AKPAN MEX (MEXICATEL SERVICES LIMITED)
Keyword(s):  
Rainy Season ◽  
Drying Methods ◽  
Cocoa Beans

EPIDEMIOLOGY, ECOLOGY AND PREVALENCE OF SOIL TRANSMITTED HELMINTHS FROM KOSHI REGION OF NORTH BIHAR.

2018 ◽  
Vol 24 (1) ◽  
Author(s):  
LAKSHMI CHOUDHARY ◽  
PRABHAWATI PRABHAWATI
Keyword(s):  
Relative Humidity ◽  
Ascaris Lumbricoides ◽  
Rainy Season ◽  
Climatic Factors ◽  
Trichuris Trichiura ◽  
Hookworm Infection ◽  
Soil Transmitted Helminths ◽  
High Incidence ◽  
Apparently Healthy

Prevalence of soil transmitted helminthes infections in apparently healthy school going children and other 528 people of different districts of Koshi regions of North Bihar were evaluated. Over all incidences of STHs infection was 39.39% during study. High incidence of STH was seen in the rainy season i.e., in the month of July and August, September, significantly higher (P<0.05) .The incidence of Ascaris lumbricoides was highest in the month of August (18.64%). The month of September was 15.25% followed by that of July (14.4%) and October with 10.16%. Also the incidence of hookworm registered the highest incidence in the month of June (19.27%) and lowest in the month of December (4.82%) during the study period. However prevalence of Trichuris trichiura was negligible and it was almost nil in the most of the months but was highest in month of September with 28.57% and lowest in October with 14.00% The climatic factors are responsible for soil transmitted helminthes which are temperature, rainfall and relative humidity. Ascariasis, Trichuriasis and Ancyclostomiasis (Hookworm infection) are found to be endemic in this region.

STUDY ON DIVERSITY AND DISTRIBUTION OF ANTS (HYMENOPTERA: FORMICIDAE) IN URBAN AND PERIURBAN AREAS OF AURANGABAD CITY, MAHARASHTRA, INDIA

2017 ◽  
Vol 23 (2) ◽  
Author(s):  
S. D. CHATE ◽  
R. J. CHAVAN
Keyword(s):  
Rainy Season ◽  
Winter Season ◽  
Seasonal Abundance ◽  
Urban Region ◽  
Ant Community ◽  
Community Variation

The present study deals with the ant community variation in and around Aurangabad city. During the study total 16 species of ants belonging to twelve genera and four subfamilies were reported in eight habitat from urban and periurban regions. Abundance of ants was more in peri-urban region as compared to urban region. Subfamily myrmicinae was more dominant as compared to other subfamilies. Seasonal abundance of ants was seen to be more in winter season and less in rainy season.

Incubation Temperature Influences the Duration of Egg Hatching and Early Development in the Boreal Digging Frog, Kaloula Borealis

2020 ◽  
Vol 3 (1) ◽  
pp. ACCEPTED
Author(s):  
Rho-Jeong Rae
Keyword(s):  
Water Temperature ◽  
Early Life ◽  
Rainy Season ◽  
Incubation Temperature ◽  
Life Stages ◽  
Early Life Stages ◽  
Egg Hatching ◽  
Significant Difference ◽  
The Mean ◽  
Hatching Rates

This study investigated the boreal digging frog, Kaloula borealis, to determine the egg hatching period and whether the hatching period is affected by incubation temperature. The results of this study showed that all the eggs hatched within 48 h after spawning, with 28.1% (±10.8, n=52) hatching within 24 h and 99.9% (±0.23, n=49) within 48 h after spawning. A significant difference was noted in the mean hatching proportion of tadpoles at different water temperatures. The mean hatching rates between 15 and 24 h after spawning was higher at a water temperature of 21.1 (±0.2) °C than at 24.1 (±0.2) °C. These results suggest that incubation temperature affected the early life stages of the boreal digging frog, since they spawn in ponds or puddles that form during the rainy season.

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