scholarly journals Virulence of Brown Planthopper and Development of Core Collection of the Pest

2016 ◽  
Vol 35 (2) ◽  
pp. 109
Author(s):  
Chaerani Chaerani ◽  
Diani Damayanti ◽  
Trisnaningsih Trisnaningsih ◽  
Siti Yuriyah ◽  
Kusumawaty Kusumanegara ◽  
...  
Keyword(s):  
Core Collection ◽  
Brown Planthopper ◽  
Current Status ◽  
West Java ◽  
Rice Varieties ◽  
Central Java ◽  
South Sulawesi ◽  
Resistant Varieties ◽  
New Varieties ◽  
Differential Varieties

Brown planthopper is the most important rice pest in Indonesia. Its high adaptability to feed and reproduce on previously introduced resistant varieties to form more virulent population often causes BPH outbreak and hopperburn that lead to total crop yield loss. Rice breeding for resistant to BPH requires information on the current status of BPH virulences in the fields to anticipate the virulence adaptation on new varieties. The objectives of this study were to investigate the degree of virulence of BPH populations and to cluster the BPH virulence to form BPH core collection. Thirteen BPH populations collected from paddy fields in six provinces (Banten, West Java, Central Java, East Java, South Kalimantan, and South Sulawesi) in 2011 and 2013 were tested on 10 differential rice varieties and seven host varieties of BPH populations, using the standard seedbox screening technique. Based on resistance reaction of four differential varieties (TN1, Mudgo, ASD7, and Rathu Heenathi), most BPH populations were identified as more virulent than biotype 4 (T1, Banten, PG, West Java; BY, East Java; B2 and B3, South Kalimantan; X1 and X3, South Sulawesi), four populations were biotype 4 (JWDL, Central Java; SD, East Java; X2 and X4, South Sulawesi), and one population each was biotype 3 (T2, Banten) and biotype 2 (S1, West Java). Populations X1 and B3 showed broad virulences to all varieties, whereas T2 was the least virulent. BPH field’s population had evolved into more virulence than biotype 4. Genotype resistance screening should use the BPH of this virulence population. Five BPH clusters which were further divided into 10 subclusters representing differential virulence toward 10 differential varieties were present in the tested BPH. Each virulence cluster was characterized by its ability to overcome four to eight single or double resistant genes. This BPH virulence core collection can be used in the characterization studies of candidate for resistant varieties or to form near-isogenic lines, or to study the insect and rice plant interaction.

scholarly journals PATHOTYPE PROFILE OF Xanthomonas oryzae pv. oryzae ISOLATES FROM THE RICE ECOSYSTEM IN JAVA

2016 ◽  
Vol 5 (2) ◽  
pp. 63 ◽  
Author(s):  
Suparyono Suparyono ◽  
Sudir Sudir ◽  
Suprihanto Suprihanto
Keyword(s):  
Disease Severity ◽  
Rice Production ◽  
Xanthomonas Oryzae ◽  
Bacterial Leaf Blight ◽  
Bacterial Disease ◽  
West Java ◽  
Rice Varieties ◽  
Central Java ◽  
Resistant Varieties ◽  
Rice Ecosystem

At present, bacterial leaf blight of rice caused by Xanthomonas oryzae pv. oryzae is highly damaging to rice production in Indonesia as most of the existing commercial rice varieties are susceptible to the existing  pathotypes of the bacteria. To solve  such problems, varietal rotation should be based on information on the existence and dominance of local pathotypes in a particular rice ecosystem. To obtain this information, a total of 117 isolates of X. oryzae pv. oryzae, collected from West Java, Central Java, and Yogyakarta, were evaluated for their pathotype variation on five differential rice varieties during the dry season of 2000. When disease severity was < 10%, the reaction was classified as resistant (R) and when > 11%, was susceptible (S). The data indicated that 3.42% of the isolates were pathotype III, 12.82% were pathotype IV, and 83.76% were pathotype VIII. In West Java, the bacterial pathotypes III, IV, and VIII were 4.94%, 14.81%, and 80.25%, respectively. In low elevation areas, 4.94%, 9.88%, and 45.68% were pathotypes III, IV, and VIII, respectively and in medium areas, 4.94% were pathotypes IV and 34.57% were pathotype VIII. In Central Java, no pathotype III was found, while pathotypes IV and VIII were as much as 4.52% and 90.48%, respectively. In low elevation areas, no pathotypes III was recovered, and a total of 9.53% and 76.19% were identified as pathotypes IV and VIII, respectively, and in medium areas only pathotype VIII (14.29%) was identified. In Yogyakarta, pathotypes IV and VIII were found. In low elevation areas, 6.67% and 93.33% were pathotypes IV and VIII, respectively and in medium areas, 14.29% and 85.71% were pathotypes IV and VIII, respectively. The data indicated that variation in pathotype composition over different locations was obvious and locally specific resistant varieties to the disease are needed in the management of this important bacterial disease in rice.

scholarly journals PATHOTYPE PROFILE OF Xanthomonas oryzae pv. oryzae ISOLATES FROM THE RICE ECOSYSTEM IN JAVA

2016 ◽  
Vol 5 (2) ◽  
pp. 63
Author(s):  
Suparyono Suparyono ◽  
Sudir Sudir ◽  
Suprihanto Suprihanto
Keyword(s):  
Disease Severity ◽  
Rice Production ◽  
Xanthomonas Oryzae ◽  
Bacterial Leaf Blight ◽  
Bacterial Disease ◽  
West Java ◽  
Rice Varieties ◽  
Central Java ◽  
Resistant Varieties ◽  
Rice Ecosystem

At present, bacterial leaf blight of rice caused by Xanthomonas oryzae pv. oryzae is highly damaging to rice production in Indonesia as most of the existing commercial rice varieties are susceptible to the existing  pathotypes of the bacteria. To solve  such problems, varietal rotation should be based on information on the existence and dominance of local pathotypes in a particular rice ecosystem. To obtain this information, a total of 117 isolates of X. oryzae pv. oryzae, collected from West Java, Central Java, and Yogyakarta, were evaluated for their pathotype variation on five differential rice varieties during the dry season of 2000. When disease severity was < 10%, the reaction was classified as resistant (R) and when > 11%, was susceptible (S). The data indicated that 3.42% of the isolates were pathotype III, 12.82% were pathotype IV, and 83.76% were pathotype VIII. In West Java, the bacterial pathotypes III, IV, and VIII were 4.94%, 14.81%, and 80.25%, respectively. In low elevation areas, 4.94%, 9.88%, and 45.68% were pathotypes III, IV, and VIII, respectively and in medium areas, 4.94% were pathotypes IV and 34.57% were pathotype VIII. In Central Java, no pathotype III was found, while pathotypes IV and VIII were as much as 4.52% and 90.48%, respectively. In low elevation areas, no pathotypes III was recovered, and a total of 9.53% and 76.19% were identified as pathotypes IV and VIII, respectively, and in medium areas only pathotype VIII (14.29%) was identified. In Yogyakarta, pathotypes IV and VIII were found. In low elevation areas, 6.67% and 93.33% were pathotypes IV and VIII, respectively and in medium areas, 14.29% and 85.71% were pathotypes IV and VIII, respectively. The data indicated that variation in pathotype composition over different locations was obvious and locally specific resistant varieties to the disease are needed in the management of this important bacterial disease in rice.

IMPLEMENTATION OF SUSTAINABLE AQUACULTURE AS A MODEL OF SATO UMI TO IMPROVE PRODUCTIVITY WITHIN COASTAL AREA OF INDONESIA

2017 ◽  
Author(s):  
Suhendar I Sachoemar ◽  
Suhendar I Sachoemar ◽  
Tetsuo Yanagi ◽  
Tetsuo Yanagi ◽  
Mitsutaku Makino ◽  
...  
Keyword(s):  
Coastal Area ◽  
Sustainable Aquaculture ◽  
The South ◽  
West Java ◽  
The Public ◽  
Central Java ◽  
South Sulawesi ◽  
Similar Program ◽  
Technology Dissemination

The development of sustainable model of aquaculture by applying Sato Umi concept within coastal area of Indonesia has expanded from the center of first experiment in the northern coastal area of west Java to central Java (western Indonesia) and Bantaeng in the South Sulawesi of central Indonesia. The similar program has also been proposed for Maluku Province in the eastern part of Indonesia. In the next 5 years, Indonesia is developing the Techno Parks Program in some areas, in which aquaculture and fisheries activities development on the base of Sato Umi concept in the coastal area are involves in this program. The development of Techno Parks are directed as a center application of technology to stimulate the economy in the regency, and a place of training, apprenticeship, technology dissemination center, and center business advocacy for the public. Hopely, Sato Umi concept that has a similar spirit with Techno Park can be applied to support the implementation of Techno Park program in Indonesia

scholarly journals Molecular Detections and Resistance Response of Six Rice Varieties to Tungroviruses from South Sulawesi

2020 ◽  
Vol 24 (1) ◽  
pp. 89
Author(s):  
Saipul Abbas ◽  
Sri Sulandari ◽  
Sedyo Hartono ◽  
Y. Andi Trisyono
Keyword(s):  
Sequence Analysis ◽  
Plant Resistance ◽  
Molecular Detection ◽  
The Philippines ◽  
Rice Varieties ◽  
Resistance Response ◽  
South Sulawesi ◽  
Resistant Varieties ◽  
Moderately Resistant ◽  
Infected Sample

The suspected rice virus is found in the field, namely the tungrovirus which is transmitted by green leafhoppers (Nephotettix virescens). The study aimed to detect the tungrovirus molecularly and examine the resistance response of six rice varieties from the transmission of tungrovirus samples from South Sulawesi on a greenhouse scale. Based on the results of molecular detection with RTSV PCR of the double infected sample with DNA bands 1115 bp and RTBV of around 430 bp, Sidrap, and Maros samples were infected by 430 bp size RTBV, while Wajo sample was not detected by both viruses. The results of RTBV sequence analysis showed that the grouping of Sidrap was still one group with Maros and Pinrang samples and different from the group of samples from Malaysia, Thailand, and Philippines. While the grouping of RTSV shows that Pinrang samples are still one group with samples from Bali, Subang, and different from those of the Philippines, India, and Malaysia. The results of transmission in the greenhouse on six rice varieties (TN1, Ciherang, Mekongga, Tukad Unda, Inpari 36, Inpari 37) showed different plant resistance responses such as susceptible, moderately resistant, and resistant reactions based on the amount of disease intensity caused. Varieties that are classified as susceptible are TN1 and Ciherang varieties, moderately resistant, namely Mekongga and Tukad Unda varieties, and resistant varieties namely Inpari 36 and Inpari 37 varieties.

scholarly journals Analisis Algoritma Datamining pada Kasus Daerah Pelaku Kejahatan Pencurian Berdasarkan Provinsi

2020 ◽  
Vol 4 (1) ◽  
pp. 77
Author(s):  
Rinawati R ◽  
Erene Gernaria Sihombing ◽  
Linda Sari Dewi ◽  
Ester Arisawati
Keyword(s):  
Crime Rate ◽  
West Java ◽  
Central Java ◽  
South Sulawesi ◽  
West Sumatra ◽  
The Government ◽  
North Sumatra ◽  
Very High ◽  
Central Statistics

Theft is a behavior that causes harm to victims who are targeted and can cause victims. The level of theft behavior is increasing in each region due to the increasing number of unemployment and lazy nature of work that makes a person commit theft to make ends meet. The purpose of this study was to analyze using the technique of datamining in the area of perpetrators of theft crimes by province. The technique used is clustering with the K-means method. Data sourced from the Indonesian Central Statistics Agency with the url address: https://www.bps.go.id/. The results of the study using this technique are clustered in areas in Indonesia which have the highest crime theft rates. From the results of the study using the K-means technique, that there are 17 provinces out of 34 provinces that have the highest crime theft (C1) areas, namely: Aceh, North Sumatra, West Sumatra, Riau, Jambi, South Sumatra, Lampung, DKI Jakarta, West Java, Central Java, East Java, Banten, West Nusa Tenggara, East Nusa Tenggara, South Kalimantan, South Sulawesi, Papua. The results of the study are expected to be information for the government in conducting policies to reduce the crime crime rate in Indonesia which is very high (50%).

scholarly journals RESISTANCE EVALUATION OF MODERN RICE VARIETIES TO BROWN PLANTHOPPER Nilaparvata lugens STÅL

2020 ◽  
Vol 20 (2) ◽  
pp. 157-164
Author(s):  
Eko Hari Iswanto ◽  
Dede Munawar ◽  
Rahmini Rahmini
Keyword(s):  
Brown Planthopper ◽  
Nilaparvata Lugens ◽  
Field Population ◽  
Rice Varieties ◽  
Resistance Evaluation ◽  
Resistant Varieties ◽  
Endemic Areas ◽  
Loss Index ◽  
Nilaparvata Lugens Stål

Resistance evaluation of modern rice varieties to brown planthopper Nilaparvata lugens STÅL. The research was performed to understand the resistance of modern rice varieties to the field population of brown planthopper (BPH). The research studied BPH settling preference, numbers of laid eggs, and functional plant loss index (FPLI) of resistant and susceptible rice varieties. The results showed BPH were less settle and laid fewer eggs on resistant varieties. BPH significantly settled longer on TN1 than other varieties after 24 hours. The numbers of eggs laid on rice resistant varieties (Inpari 13, Inpari 31, Inpari 33, RH, and PTB33) were fewer compared to TN1. FPLI value in TN1 was the highest among the tested rice varieties. Inpari 13 had better resistance to BPH compared to Inpari 31 and Inpari 33. In managing BPH in endemic areas, we recommend Inpari 13, Inpari 31, and Inpari 33 to be planted in rotation.

scholarly journals Keragaman Pertumbuhan dan Produksi Beberapa Aksesi Jarak Pagar (Jatropha curcas L.) di Daerah Pesisir Pantai

2013 ◽  
Vol 1 (1) ◽  
pp. 34
Author(s):  
Ali Ahkamulloh ◽  
Endang Murniati ◽  
Memen Surahman
Keyword(s):  
Jatropha Curcas ◽  
Coastal Area ◽  
Block Design ◽  
Physic Nut ◽  
West Java ◽  
Jatropha Curcas L ◽  
Central Java ◽  
South Sulawesi ◽  
Provenance Trials ◽  
Randomized Complete Block Design

<p style="text-align: justify;">The aim of this research was to know the growth various accesions of physic nut in coastal area. This research was conducted from March until October 2011 at Wonokerto Kulon coastal area, Pekalongan. The evaluated accesion were derived from 14 selected parent plants originated from Central Java, South Sulawesi, West Java and West Nusa Tenggara. The accesions were selected based on provenance trials in the previous research. The seeds were germinated in the seed nursery. The seedlings were planted in to the field (8 WAP). This research was arranged in randomized complete block design. The result of this research showed that Bogor 80-11-5 and IP-2P 110-1-4 are the best accesion. Bontomaramu 1-1, Medan and Pinrang. Sukabumi, Bengkulu 3, Gunung Tambora, Lombok 59-1-2, Aceh Besar, Bima, Bone, Dompu and Luwu Utara are not good to be planted in coastal area.</p><p>Keywords: accesion, physic nut, coastal area</p>

scholarly journals AKREDITASI MADRASAH SEBAGAI KUNCI KEBERHASILAN DALAM PEMENUHAN STANDAR NASIONAL PENDIDIKAN (SNP)

2015 ◽  
Vol 13 (1) ◽  
Author(s):  
Farida Hanun
Keyword(s):  
Human Resources ◽  
Survey Method ◽  
West Java ◽  
Education Standards ◽  
National Education ◽  
Central Java ◽  
South Sulawesi ◽  
North Sumatra ◽  
Accreditation Criteria

AbstractThis study aims to map the performance of Madrasah Aliyah, either has already or not yet accredited from the aspects of its education component and also to identify what are the the needs of madrasah in order to fulfill the accreditation criteria. The research on the requirements of Madrasah Accreditation use a survey method in 9 provinces (North Sumatra, Lampung, Riau, Banten, West Java, Central Java, East Java, South Sulawesi, NTB). The research showed that the fulfillment of the eight National Education Standards (NES) influence the quality of madrasah education and contribute to the success of accreditation. Directorate of Madrasah, Ministry of Religious Affairs provide guidance to madrasahs in accordance with its level of accreditation through a sustainable program  for  strengthening  Madrasah  in  the  field of managerial, human resources, facilities and infrastructure. AbstrakPenelitian ini bertujuan untuk memetakan performan Madrasah Aliyah yang sudah dan belum terakreditasi dari aspek standar Nasional Pendidikan (SNP) dan mengetahui apa yang menjadi kebutuhan madrasah dalam memenuhi kriteria akreditasi. Penelitian Studi Kebutuhan Akreditasi Madrasah menggunakan metode survey Madrasah Aliyah di 9 propinsi (Sumatera Utara, Lampung, Riau, Banten, Jawa Barat, Jawa Tengah, Jawa  Timur,  Sulawesi  Selatan,  NTB).  Hasil  penelitian menunjukkan pemenuhan delapan Standar Nasional Pendidikan (SNP) mempengaruhi peningkatan mutu penyelenggaraan pendidikan madrasah dan berkontribusi pada keberhasilan akreditasi. Direktorat Madrasah Kementerian Agama sebaiknya memberikan pembinaan kepada madrasah sesuai dengan jenjang akreditasi madrasah melalui program penguatan madrasah berkelanjutan di bidang manajerial, SDM, dan sarana prasarana.

scholarly journals ANALISIS PERAN MEDIA DALAM UPAYA PENCEGAHAN PENYEBARAN VIRUS CORONA (COVID-19) DI INDONESIA

MEDIAKITA ◽  
2020 ◽  
Vol 4 (1) ◽  
Author(s):  
Dwi Putri Robiatul Adawiyah ◽  
Nurhaya Kadir
Keyword(s):  
New Media ◽  
Mixed Method ◽  
Major Influence ◽  
West Java ◽  
Central Java ◽  
South Sulawesi ◽  
Corona Virus ◽  
Internet Media ◽  
The Media

The media has a very an important role in the lives of Indonesian. Some of news as a public comsumption, including corona virus. The information is necessary for in- dept analysis related how the role of media for people on the issue of the virus corona.   This research uses a mixed method, by distributing Google forms and by phone interviews to people who live in 6 provinces which have a total of 50 cases exposed to the corona virus in Indonesia, including DKI Jakarta, East Java, Central Java, West Java, Banten and South Sulawesi. The results showed that the media has a major influence on people's lives, as especially internet media which is the most widely used media for people to find information about the corona virus and educate citizen about physical distancing and provide solutions to prevent corona virus. Both female and male participants in 6 provinces have the same opinion about the important role of the media in campaigning for physical distancing as an effort to prevent transmission of the corona virus. Keywords: The role of media, physical distancing, new media.

scholarly journals Regional Leadership Strategy in Accelerating the Handling of COVID-19 in Indonesia: A Case Study in DKI Jakarta Province, East Java, Central Java, South Sulawesi and West Java)

2021 ◽  
Author(s):  
Noor Indah Rahmawati ◽  
Panca Winahyuningsih ◽  
Dina Lusianti
Keyword(s):  
Task Force ◽  
Descriptive Analysis ◽  
Secondary Data ◽  
Literature Study ◽  
West Java ◽  
Central Java ◽  
South Sulawesi ◽  
Leadership Strategy ◽  
Number Of Patients ◽  
Regional Leadership

Currently, the world in general and Indonesia in particular are being hit by the COVID-19 pandemic. As the highest leader at the provincial level, the governor has a big role in handling COVID-19. The purpose of this study was to examine the leadership strategy of regional heads in handling COVID-19 in Indonesia. The sample in this study consisted of the 5 provinces with the largest positive cases of COVID-19 in Indonesia, namely DKI Jakarta, East Java, Central Java, South Sulawesi and West Java. A qualitative approach was used with descriptive analysis techniques. Secondary data techniques included a literature study. The results of this study indicated that 1) the governors of DKI Jakarta, East Java, Central Java, South Sulawesi and West Java have implemented the same leadership strategy, namely forming a task force, establishing a state of emergency and setting regulations to accelerate the handling of COVID-19. 2) The number of additional positive cases in the five provinces still shows an increase on average. 3) The number of recovered patients in the five provinces shows an increase on average. 4) The number of patients who died in the five provinces showed fluctuation. Keywords: leadership, regional head, COVID-19

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