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All Journal Partner JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Jurnal Penelitian Pertanian Terapan
Jacqualine Arriani Bunga
Politeknik Pertanian Negeri Kupang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Social Sciences Veterinary

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DAYA MAKAN, DIAPAUSE DAN MOBILITAS KEONG MAS (POMACEA CANALICULATA) PADA BERBAGAI KEDALAMAN AIR Bunga, Jacqualine Arriani; Wagiman, Franciskus Xaverius; ., Witjaksono; Sidadolog, Jafendi Hasoloan Purba
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 16, No 2 (2016): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (19.933 KB)

Abstract

Feeding rate, aestivation and mobility of golden snails (Pomacea canaliculata) at different depths of water. The research was studied in Malaka District, East Nusa Tenggara Province, during the dry and the rainy season (October 2014 - March 2015). Studies on capacity of damage to the Ciherang rice seedlings were carried out for three weeks. The size of snails used in this experiment was 11-20; 21-30; and 31-40 mm. The numbers of seedlings that were planted were 3, 6, 9, 12, 15, 18 and 21 seeds. The treatments were repeated 5 times. The numbers of seeds which are damaged by the snails then were tabulated and analyzed. Snails with the size of 11-20 mm damaged the seeds in 31.67%, followed by snails with the size of 21-30 mm and 31- 40 mm with potency of damaging were 64.76% and 97.38%, respectively. The size of snails affects the level of damage to rice seedlings when transplanting. Study about aestivation was conducted in five villages, namely Kamanasa, Wehali, Umakatahan, Harekakae and Kletek when the rice fields were fallow. The observation point was observed at the corner of the dike and along the dike, evaluated every 10 meters away. The results showed snails aestivate when the fields were dry. Studies on snail’s mobility conducted on the experiment arena on the mud in buckets, which planted with 20 paddy seedlings. The treatment depth of puddles in the experiment were without puddles, half, the same height and twice the height of snails shell. The treatments were repeated 10 times. Measurement of snail’s mobility was performed routinely every 2 hours, observed from the beginning when the snails were placed for 24 hours in advance. The results showed that the depth of the water significantly affected the mobility of snails. Without puddles, the mobility of snails was severely hampered in the mud. The mobility of the juvenile was significantly higher than the imago. The implication of this study was benefit to that the regulating the level of water in the paddy field which is known as an appropriate effective technology and for controlling the attack of the golden snails.
TUMBUHAN INANG DAN DAYA MAKAN KEONG MAS (Pomacea canaliculata) PADA BEBERAPA VARIETAS PADI DI KABUPATEN MALAKA Jacqualine Arriani Bunga; Nina Jeni Lapinangga; Jemrifs H. H. Sonbai
Partner Vol 23, No 2 (2018): Edisi November
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v23i2.324

Abstract

This study is entitled "Host Plants and Eating Ability of Keong Mas (Pomaceacanaliculata) in some Paddy Varieties in Malaka District". Keong Mas are type of snails which are considered as invasive pests. In Malaka, in 2010-2012 there was a snail boom which caused severe damage to rice to “puso”. This study had been conducted from June 2018 to November 2018. The research aims to study the host plants and the ability to eat of the snails in several rice varieties. The snails were tested for its ability to feed on water plants which were considered as alternative hosts of paddyplants. Host testing was undertaken through forced testing and selective testing of several aquatic plants in rice fields. The eating ability test was carried out on four weeks old paddy varieties cultivated by farmers in Malaka. Fifty rice seedlings were planted in a circle, ten seedlings perplanting hole and were repeated for four times. The number of seeds which were encroached by the juvenile snails was tabulated and analyzed. The result shows that 6 succulent plants were favored by the snails, namely Limnocharis flava, Colocasia esculenta, Ludwigiaadscendens, Monochoriavaginalis, Ipomoea aquatica and Cat tile / Sasoser (Typha spp). The most vulnerable paddy seeds to snails are Ciherang (a), Mapan, Impari 12 (ab), Mokongga (bc), IR 68, Sibogo, and Red Rice (cd), and the most resistant to snails' is Black Rice variety (d).
GROWTH AND PRODUCTIVITY OF INERIE KIDNEY BEAN IN THE LOWLANDS GIVEN WITH NPK FERTILIZER AND “AMAZING BIO GROWTH” BIOSTIMULANT Yosefina Lewar; Ali Hasan; Jacqualine A. Bunga; Stormy Vertygo
Jurnal Penelitian Pertanian Terapan Vol 20 No 3 (2020)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v20i3.1848

Abstract

The kidney bean plants in East Nusa Tenggara (NTT) are generally cultivated in the highlands, whereas the areas in NTT are dominated by lowlands with extensive dryland agro-climatic conditions. Kidney beans are suitable for planting in areas with wet climates with varying altitudes. The suitable altitude is 1000-1500 hasl. However, it turns out that several research results showed that kidney beans can be grown in dryland or lowland ricefields with low production. During the growth of kidney bean plants, apart from the micro-climate that affects plant growth, the elements of production field management are also very important to support plant growth, such as balanced nutrient management. One of the technologies studied to increase production is NPK Phonska fertilization and Amazing Bio Growth biostimulant. The purpose of this study was to examine the dosage of NPK Phonska fertilizer and the best Amazing Bio Growth biostimulant concentration on the growth and yield of Inerie kidney bean seeds in the lowlands. The factors studied were the NPK Phonska (N) dose consisting of 3 levels, namely: N1: 300 kg / ha; N2: 250 kg / ha; N3: 200 kg / ha. And the concentration factor of ABG (B) biostimulant consisted of 4 levels, namely: B1: 2 cc/liter of water; B2: 4 cc/liter of water; B3: 6 cc/liter of water; and B4: 8 cc/liter of water. The results of the study informed that the dose of 250 kg/ha NPK Phonska gave the best 2 MST plant height (26.20 cm), 2 and 4 WAP stem diameter (3.64 mm and 5.85 mm), and the number of filled pods (15.52). pod). The concentration of ABG biostimulant 8 ml / l of water gave the best 4 WAP plant diameter (5.61 mm). The interaction between the NPK Phonska dose of 250 kg/ha and the concentration of ABG biostimulant 6 ml / l of water gave the best response to the number of filled pods (16.50), number of grains (48.63 grains), and grain weight (18.30 g).
Co-Authors Ali Hasan Franciskus Xaverius Wagiman, Franciskus Xaverius Jafendi Hasoloan Purba Sidadolog Jemrifs H. H. Sonbai Lapinangga, Nina Jeni Stormy Vertygo Witjaksono . Yosefina Lewar, Yosefina