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INDONESIA
Jurnal Penelitian Pertanian Tanaman Pangan
Published by Pusat Penelitian dan Pengembangan Tanaman Pangan
ISSN : 25415166     EISSN : 25415174     DOI : 10.21082
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Penelitian Pertanian Tanaman Pangan merupakan publikasi yang memuat makalah ilmiah primer hasil penelitian tanaman pangan (padi dan palawija). Redaksi menerima makalah dari peneliti Puslitbang Tanaman Pangan, Balai Pengkajian Teknologi Pertanian (BPTP), maupun perguruan tinggi. Makalah yang dikirimkan hendaknya sudah mendapat persetujuan dari pimpinan instansi masing-masing. Ketentuan penulisan makalah untuk dapat dimuat di jurnal ini tertera dalam "Author Guidelines/Petunjuk bagi Penulis" di halaman terakhir Jurnal Penelitian Pertanian.
Arjuna Subject : -
Articles 8 Documents
 1 
Search results for , issue "Vol 5, No 1 (2021): April 2021" : 8 Documents clear
Parameter Genetik dan Daya Gabung Hasil dan Komponen Hasil Jagung pada Tiga Taraf Pemupukan N Priyanto, Slamet Bambang; Efendi, Roy; Azrai, Muhammad
Jurnal Penelitian Pertanian Tanaman Pangan Vol 5, No 1 (2021): April 2021
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v5n1.2021.p1-14

Abstract

Low maize yields due to low nitrogen generally occur on marginal land. Maize development in Indonesia is directed at marginal land due to limited fertile land, especially in other lands in Indonesia besides Java. Therefore, the assembly of low N tolerant maize varieties plays an important role in increasing production on marginal land. Therefore, the improvement of low N tolerant hybrid maize was required. Information on the combining ability of inbred lines was important in the hybrid maize breeding program. This research aims were to determine genetic parameters, general combining ability, specific combining ability of maize lines and at three levels of N fertilization. This research was conducted at the Bajeng Experimental farm South Sulawesi from August to November 2019. The research was arranged in a split-plot design with two replications. The main plots were three nitrogen levels i.e. 0 kg N/ha, 100 kg N/ha, 200 kg N/ha and the subplots were 36 hybrids formed from a half diallel cross and its parents. The results showed that compared to yield at 200 kg N/ha, yield at 100 kg N/ha and 0 kg N/ha reduced 18,80% and 38,69% respectively. ear number, ear weight, shelling percentage and number of seeds per row were controlled by non-additive genes, while moisture content, 100 seeds weight, ear length and number of rows per ear were controlled by additives gene. Lines AVLN 118-7 and AVLN 83-2 have good GCA for yield grain overall levels of fertilization. Crosses AVLN 83-2/AVLN 124-4, AVLN 83-2/AVLN 32-8, and AVLN 122-2/AVLN 124-9 have the good combining ability under both low and high N conditions. They could be used to develop low N tolerant varieties.
Keragaan Ekonomi dan Faktor yang Mempengaruhi Penangkaran Benih Padi Binaan Program Desa Mandiri Benih di Sumatera Utara Situmorang, Sawitania; Girsang, Setia Sari
Jurnal Penelitian Pertanian Tanaman Pangan Vol 5, No 1 (2021): April 2021
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v5n1.2021.p69-78

Abstract

Stapple food subsector is the second largest contributor after plantations subsector to Indonesian gross domestic product (GDP). However, since 2015, the productivity has been declining, though still provides a positive value. To anticipate the simultaniously decline of the productivity, the government has socialized the Seed Self Sufficiency Village (3SV) Programe with paddy. One of the provinces that has has been received the implementation of this 3SV programe is North Sumatra. Therefore, this study aims to analyze the economic performance of 3SV fostered village’s rice seed growers such as: production costs, profitability and business efficiency as well as the factors that affect the fostered paddy seed’s growers. This research was conducted using a survey method from August to November 2019. Data was collected through interviews with 30 fostered paddy seed’s growers in the districts of Deli Serdang, Batu Bara, Langkat, Serdang Bedagai, Simalungun, and South Nias. The location was chosen deliberately while the respondent farmers were chosen by judgmental method. The level of profitability is calculated using Gross Profit Ratio (GPR) while technical efficiency is analyzed using the Stochastic Frontier Production Function. The results showed that the rice seedling business in the observed area was strongly influenced by area of land, the amount of use of seeds and additional fertilizers. Meanwhile, increasing the use of labor, basic fertilizers, Growth Regulator (GR), and pesticides will reduce the performance of the rice seedling business. The availability of irrigation water and farmer groups has a big influence in reducing technical inefficiencies.
Optimalisasi Hasil Jagung melalui Pemupukan dan Penggunaan Varietas Unggul pada Lahan Kering di Bawah Tegakan Kelapa Aji, Himawan Bayu; Suwitono, B.; Hidayat, Y.; Lala, Fredy
Jurnal Penelitian Pertanian Tanaman Pangan Vol 5, No 1 (2021): April 2021
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v5n1.2021.p37-46

Abstract

Approximately 80% of the land under the stands of coconut trees has the opportunity for intercropping. Corn farming under coconut stands can increase the efficiency of land use and provide additional income to farmers. One of the determinants of the success of increasing crop production is through balanced and fertilization rational and the use of superior varieties. The study aims to determine the effect of type, dose, and time of fertilization of corn on dry land under coconut stands. The study was conducted from June to October 2018 in Bumi Restu Village, Wasile District, East Halmahera Regency. The results showed that maize production in 40% shade conditions under coconut stands was influenced by the variety and fertilization, but only one variable interacted namely dry shelled weight.. Corn production on dry land under coconut stands achieved by the four varieties (Variety Nasa 29, Sukmaraga, Bhishma, and Lamuru) are as follows; 5.5 tons/ha; 4.7 tons/ha; 5.3 tons/ha and 5.2 tons/ha at a dosage of organic fertilizer 2.000 kg/ha,NPK Phonska 450 kg/ha, and urea 150 kg/ha. The Bisma and Lamuru varieties are shade tolerant and can be grown on dry land under the stands of coconut.
Keragaan Tanaman dan Kelayakan Finansial Teknologi Usahatani Padi Jajar Legowo Super di Kabupaten Karanganyar, Jawa Tengah Chanifah, Chanifah; Kushartanti, Ekaningtyas; Praptana, Raden Heru; Khosiyah, Parti
Jurnal Penelitian Pertanian Tanaman Pangan Vol 5, No 1 (2021): April 2021
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v5n1.2021.p59-68

Abstract

Jarwo super technology is a combination of superior rice farming technology, including the 2:1 paired rows planting system, high yield potential varieties, bio-decomposers, biological fertilizers, bio-pesticides, and agricultural mechanization application. The assessment aims to determine plant diversity, production increase, and financial feasibility of jarwo super technology rice farming. The assessment was conducted on March-Juni 2017 with the “demplot” method of applied jarwo super technology in Karanganyar Regency, Center of Java. Primary data is growth, production, and rice farming performance at the “demplot”, as well as existing farmer data. Samples were collected purposively, it’s the farmers who carried out the “demplot” and the farmers around the “demplot”, which meant 30 farmers. Data were descriptively analyzed using the average value, RCR, MBCR, net profit value, and BEP. The results showed that the rice yields with jarwo super was 15.63%higher than the existing farmers. Jarwo super rice farming is more efficient and economically feasible with RCR 1.44 value. MBCR is 11.6 value, it that each additional cost of implementing jarwo super rice farming of 1.000 IDR increases income by 11.600 IDR. Proportion of costs increase in jarwo super rice farming is 350.000 IDR, but profits reached 4.077.083 IDR. Net profit value of 1.7 shows that jarwo super rice farming can increase profits. Production level and dry grain harvested price on farmers level were 30.76%higher compared to BEP production and BEP price. Jarwo super rice farming is feasible to develop that because can increase farmer’s production and profits.
Ketahanan Varietas Unggul Baru dan Galur Isogenik Padi terhadap Penyakit Hawar Daun Bakteri pada Kondisi Lapangan Yuliani, Dini; Suprihanto, Suprihanto; Sudir, Sudir
Jurnal Penelitian Pertanian Tanaman Pangan Vol 5, No 1 (2021): April 2021
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v5n1.2021.p15-24

Abstract

Bacterial leaf blight (BLB) is a major disease of rice in Indonesia. Cilacap District of Central Java Province and Kuningan District of West Java Province are two endemic areas of BLB. The field trial was carried out in Cilacap and Kuningan in planting season of 2017 to evaluate resistance to BLB of 20 rice genotypes including 10 new improved varieties, 1 differential variety, 9 isogenic lines. The trial was arranged in a completed block design with three replications. Data collected were: 1) Incidences and severities of BLB; 2) Resistances of the rice genotypes to BLB; and 3) Pathotypes of Xanthomonas oryzae pv. oryzae (Xoo). The results showed the incidence of BLB disease in Cilacap of 0-100% and disease severity of 0 to 85.18%. In Kuningan, the disease incidence was 0- 100% and the disease severity from 0 to 79.26%. The varieties of Inpari-32, Java-14, and the lines of IRBB-5, IRBB-7, IRBB-21, and IRBB-57 were resistant to BLB in Cilacap and Kuningan. Those varieties/lines were expected to be used as a source of resistance to BLB in Cilacap and Kuningan. Xoo pathotype test showed that 14 Xoo isolates from Cilacap classified as pathotype VIII, while nine Xoo isolates from Kuningan were classified as Pathotype III. The planting of resistant varieties based on the existence of the dominant of Xoo pathotypes which specific in the field can reduce the incidence and the severity of BLB disease effectively and efficiently, while the assembly of BLB resistant varieties can use the resistant genes of xa5, Xa7, and Xa21 as they were still effective to control the dominant pathotypes of BLB in Indonesia.
Dampak Program Kemitraan terhadap Kelayakan Usahatani dan Pendapatan Petani Jagung di Kecamatan Sumberpucung, Jawa Timur Hamyana, Hamyana; Cahyono, Agus; Rahmi, Ainu
Jurnal Penelitian Pertanian Tanaman Pangan Vol 5, No 1 (2021): April 2021
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v5n1.2021.p79-90

Abstract

One of the problems faced by maize farmers in Sumberpucung District, Malang, East Java, is the relatively small scale of the business, which has implications for high production costs. Efforts that can be taken to resolve these problems include a partnership pattern. This study aims to determine the feasibility of a partnership pattern and to analyze its effect on the income of maize farmers in Sumberpucung District. The research method is survey. Marginal benefit cost ratio (MBCR) analysis aims to determine the feasibility of partnership pattern farming and simple linear regression analysis is used to determine the effect of partnerships on income. The research object is the maize farmers who have partnered and who have not partnered in Sumberpucung District. The sampling technique used stratified proportional random sampling with a sample size of 76 people who were determined using the Slovin formula. The results showed that the income of partnership-patterned maize farmers was greater than that of non-partnership maize farmers with a difference of Rp. 7,573,000 / ha. Analysis of the marginal benefit cost ratio (MBCR) with a value of 9.98 (> 1) proves that the partnership pattern of maize farming is feasible to apply. This means that each additional cost of Rp. 1 will increase the benefits of farmers by 9.98. Regression analysis shows that the partnership has a significant effect on the income of maize farmers. Hypothesis testing shows the significance value of the partnership variable is 0.000 (<0.05). Thus H_1 is accepted, which means that the partnership has a significant effect on farmers’ income.
Komponen Usahatani Pendukung Penerapan Peningkatan Indeks Pertanaman pada Beberapa Agroekosistem Purnamayani, Rima; Wira Etika, Adhe Phoppy; Syahbuddin, Haris
Jurnal Penelitian Pertanian Tanaman Pangan Vol 5, No 1 (2021): April 2021
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v5n1.2021.p47-58

Abstract

ncreasing the cropping index is a strategic policy and program to increase the efficiency of available land use.  Referring to the potential and constraints of cropping index improvement, it is necessary to review the supporting components that affect cropping index implementation improvement in some agroecosystems. The purpose of this study was to aims to analyze the components of farming that support the implementation of increased cropping index in upland, rainfed lowland, and swampy land. This activity was carried out in five provinces namely Banten, West Java, DI Yogyakarta, East Nusa Tenggara, and South Sumatra from August to December 2018. The site selection was done purposively based on agroecosystems. The collected data were tabulated and analyzed using quantitative and qualitative approaches then interpreted descriptively and analyzed with multiple linear regression analysis. The dependent variable (Y) is the cropping index and the independent variables (xi) are labor, water availability, demonstration plot capital availability, water resources, supervisory, and extension media. The results of the combined linear regression analysis showed that water availability and supervisory were the supporting components that have a significant effect on every agroecosystem.  Meanwhile, water, capital and labour availability were variables that have a significant effect on the implementation of increased cropping index in upland agroecosystems.  The dissemination media has a significant effect only on rainfed lowland, while the capital  availability and water sources were supporting components that have a significant effect at  swampy land.
Hubungan Antara Profil Protein Populasi Vektor Wereng Hijau Nephotettix virescens dan Gejala Penularan Tungro pada Tanaman Padi Senoaji, Wasis; Rahardjo, Bambang Tri; Tarno, Hagus
Jurnal Penelitian Pertanian Tanaman Pangan Vol 5, No 1 (2021): April 2021
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v5n1.2021.p25-36

Abstract

Nephotettix virescens is the most effective vector for transmitting tungro disease to rice plants. Two different viral particles cause Tungro transmission. Disease control was often not anticipated in the field, especially when planting is asynchronous, that cause been detected lately. At the cellular level, vector interactions with viruses indicate vector proteins response to viral in the body of vector insects which involved in virus transmission in plants. This study aims to describe the relationship between the differentiation of N. virescens vector protein profiles on the types of tungro symptoms resulting from the transmission to develop techniques for early detection and control of the transmission process. The workflow of this study is screening on vector insects to obtain protein candidates thought to have a role in tungro transmission that had never been previously reported. The results of this study suggested that proteins with estimated molecular weights of 132, 73, and 49 kDa are candidates for proteins that can be used for screening purposes or virulent vector tracing as an early warning alternative to control tungro disease in endemic areas.

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