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All Journal JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Franciscus Xaverius Susilo, Franciscus Xaverius
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Agriculture, Biological Sciences & Forestry

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THE WHITE-BELLIED PLANTHOPPER (HEMIPTERA: DELPHACIDAE) INFESTING CORN PLANTS IN SOUTH LAMPUNG, INDONESIA Susilo, Franciscus Xaverius; Swibawa, I Gede; ., Indriyati; Hariri, Agus Muhammad; ., Purnomo; Hasibuan, Rosma; Wibowo, Lestari; Suharjo, Radix; Fitriana, Yuyun; Dirmawati, Suskandini Ratih; ., Solikhin; ., Sumardiyono; Rwandini, Ruruh Anjar; Sembodo, Dad Resiworo; ., Suputa
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 17, No 1 (2017): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (427.494 KB) | DOI: 10.23960/j.hptt.11796-103

Abstract

The White-Bellied Planthopper (Hemiptera: Delphacidae) Infesting Corn Plants in South Lampung, Indonesia. Corn plants in South Lampung were infested by newly-found delphacid planthoppers. The planthopper specimens were collected from heavily-infested corn fields in Natar area, South Lampung. We identified the specimens as the white-bellied planthopper Stenocranus pacificus Kirkaldy (Hemiptera: Delphacidae), and reported their field population abundance.
CONTRIBUTIONS OF SEED PHYSICAL AND CHEMICAL CHARACTERS OF VARIOUS SORGHUM GENOTYPES (SORGHUM BICOLOR [L.] MOENCH.) TO DAMAGED SEED INDUCED BY WEEVIL (SITOPHILUS SP.) DURING STORAGE Pramono, Eko; Kamal, Muhammad; Susilo, Franciscus Xaverius; Timotiwu, Paul Benyamin
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 18, No 1 (2018): MARCH, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (262.386 KB) | DOI: 10.23960/j.hptt.11839-50

Abstract

Contributions of Seed Physical and Chemical Characters of Various Sorghum Genotypes (Sorghum bicolor [L.] Moench.) to Damaged Seed Induced by Weevil (Sitophilus sp.) During Storage. The percentage of damaged seeds due to feeding by Sitophilus sp. during storage varied among sorghum genotypes (Sorghum bicolor [L.] Moench.). Some researchers reported that the difference was influenced by the physical and chemical characters of the seed grains. This study aimed to determine the contribution of seed physical and chemical characters and their effect model on the percentage of damaged seeds due to weevil attack during storage. Measurement of damaged seeds was carried out on 34 sorghum genotypes after they were stored for four months under storage temperatures of 26 ºC and 18 ºC. Physical characters included seed hardness, weights of a thousand grains, pericarp thickness, and seed volume. Chemical characters of seeds included lipid, protein, carbohydrate, and tannin contents. Results of the study indicate that contribution of physical and chemical characters of sorghum seeds and their effect model on the percentage of damaged seeds due to weevil attack was different among storage under temperature of 26 ºC and under temperatures of  18 ºC.
INFESTATION OF MAJOR PESTS AND DISEASES ON VARIOUS CASSAVA CLONES IN LAMPUNG-INDONESIA Swibawa, I Gede; Susilo, Franciscus Xaverius; ., Purnomo; Aeny, Titik Nur; Utomo, Setyo Dwi; Yuliadi, Erwin
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol. 20 No. 1 (2020): MARCH, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/j.hptt.12013-18

Abstract

Infestation of major pests and diseases on various cassava clones in Lampung-Indonesia. Lampung Province is one ofcassava producers in Indonesia which contributes more than 30% to the total national cassava production. However, theinfestation of pests and diseases can limit cassava production in the field. The objective of this research was to observe theinfestation level of major plant pests and diseases of cassava in Lampung. A survey was conducted in August 2016 in severallocations of cassava fields owned by farmers and experimental plots in the area of Faculty of Agriculture, University ofLampung. The results showed that cassava mealybug (Phenacoccus manihoti), papaya mealybug (Paracoccus marginatus)and red mite (Tetranychus urticae) infested at cassava clones in Lampung. The infestation of red mite tended to be higher thanthat of mealybugs. The cassava brown leaf spot disease that infested in mild to moderate severity was found on all cassavaclones, while viral disease with prevalence of 78% was only found on Duwet 1 clone in experimental plot.
THE POPULATION OF WHITE-BELLIED PLANTHOPPERS AND THEIR NATURAL ENEMIES: THE NEW PEST OF CORN IN LAMPUNG Swibawa, I Gede; Susilo, Franciscus Xaverius; Hariri, Agus Muhammad; ., Solikhin
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 18, No 1 (2018): MARCH, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (629.288 KB) | DOI: 10.23960/j.hptt.11865-74

Abstract

The Population of White-Bellied Planthoppers and their Natural Enemies: the New Pest of Corn in Lampung. The white-bellied planthoppers (Stenocranus pasificus), hereinafter referred to as WBP, as new exotic pests in Lampung have the poten-tial to reduce corn production and threaten national food sovereignty. Therefore, population of the pest needs to be managed to prevent the outbreaks. However, there is still limited information on the bio-ecology of WBP. Thus, this research was conducted to: 1) study the population growth pattern of WBP on various corn cultivars and 2) document the natural enemies of WBP. This research was carried out from May to December 2017with a survey method on several corn fields in South Lampung and planting trial on an experimental field of Faculty of Agriculture, Universitas Lampung planted with 3 corn cultivars, i.e. Madura, P-27 and NK which were arranged in randomized complete block design with three replications. The results of the research showed: 1) there were two peaks of population density observed during plant growth. The peak of adult stage of macroptera population density occurred at 17 and 53 days after planting (dap), the highest number of leaves with oviposition mass was observed at 24 and 65 dap, while the peak of population density of nymph stage and adult stage of brachiptera occurred at 31 and 75 dap; 2) Natural enemies of WBP included 9 orders, classified as specialist predators of mirid bugs (Cyrtorhynus) and rove beetles (Paederus), and generalist predators of spiders (Araneae) and lady beetles (Coccinellidae). The population of specialist predators was fluctuated depending on WBP population, while the population of generalist predators was varied.
Co-Authors Agus Muhammad Hariri, Agus Muhammad Anak Agung Gede Sugianthara Dad Resiworo Sembodo, Dad Resiworo Eko Pramono Erwin Yuliadi I GEDE SWIBAWA, I GEDE Indriyati . Lestari Wibowo Muhammad Kamal Paul Benyamin Timotiwu Purnomo Purnomo Radix Suharjo Rosma Hasibuan, Rosma Ruruh Anjar Rwandini, Ruruh Anjar Setyo Dwi Utomo Solikhin ., Solikhin Suputa Suputa Suskandini Ratih Dirmawati Titik Nur Aeny Yuyun Fitriana