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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 3 Documents
 1 
Search results for , issue " Vol 1, No 3 (2017): Desember 2017" : 3 Documents clear
Integrasi Varietas Tahan dan Bioinsektisida untuk Pengendalian Ulat Perusak Daun Kedelai Indiati, Indiati; Bedjo, Bedjo
Jurnal Penelitian Pertanian Tanaman Pangan Vol 1, No 3 (2017): Desember 2017
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (867.994 KB) | DOI: 10.21082/jpptp.v1n3.2017.p243-253

Abstract

Leaf-eating caterpillars are important soybean pests that widely distributed from tropical to sub-tropical regions under wet and humid conditions. In Indonesia, these caterpillars attacked 1,316 hectares of soybean crops in year 2002, and it increased to 2,902 hectares of soybean crops in year 2006. Therefore, the effective pest control needs to be identified. The experiment on controlling leaf eating caterpillars used bio-insecticides of NPV and SBM, and resistant varieties was conducted at Kendalpayak Experimental Farm of Indonesia Legumes and Tuber Crops Research Institute in dry season of 2016. A strip plot design with three replications was applied, where the vertical factor was varieties i.e. (1) Wilis, (2) Degra 1, and (3) G100H, and types of insecticide as horizontal factors i.e. (1) without insecticides, (2) 50 g of neem-seed flour (SBM) in 1 litre of water, (3) 2 g of SlNPV in 1 litre of water, (4) SBM + NPV, and (5) chemical insecticide. The results indicated that SlNPV was effectively suppressed the population of caterpillars as shown by its lowest numbers. Also, the combination treatment of SBM + NPV had better suppression than that of chemical insecticide. The role of Degra 1 variety, which is a resistant variety to leaf eating caterpillar, was very important in suppressing the damage rate of the plants as pointed out by 26% reduction of damage rate compared to that of Wilis variety (the susceptible variety to leaf eating caterpillars). The effectiveness of leaf eating caterpillars control could be enhanced by combining the resistant variety of Degra 1 with NPV bio-insecticide. This application obtained 35% of suppression rate which was equal to that obtained by the combination of the resistant variety of Degra 1 with chemical insecticide. It is therefore, the variety of Degra 1 has a huge opportunity to be developed in leaf eating caterpillars’ endemic soybean areas.
Evaluasi Ketahanan Sumber Daya Genetik Kedelai terhadap Cekaman Salinitas Putri, Pratanti Haksiwi; Anggoro Susanto, Gatut Wahyu; Taufiq, Abdullah
Jurnal Penelitian Pertanian Tanaman Pangan Vol 1, No 3 (2017): Desember 2017
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1002.544 KB) | DOI: 10.21082/jpptp.v1n3.2017.p233-242

Abstract

Soybean (Glycine max (L.) Merr.) is sensitive to salinity stress. The availability of soybean cultivar tolerant to salinity stress is the main key of succeeding of soybean cultural practice on saline affected land. Objective of the research was to evaluate the resistance of soybean germplasms to salinity stress. The research was conducted on saline affected soil in Lamongan District during the dry season (May-August) 2016. Nineteen soybean genotypes that were selected from previous salinity test in the green house were reevaluated in the field using a randomized block design with three replications. Wilis cultivar (sensitive to salinity) used as check. Variable observations consisted of soil properties before planting, number of plant grow at 13 and 41 days after sowing (DAS), plant height at 41, 56 and 71 DAS, chlorophyll content index at 27, 41 and 56 DAS, soil EC at 71 DAS, number of harvested plants, yield and yield components. The results showed that among 19 genotypes tested, only five genotypes that survived up to harvest with plant population 30-50% at high salinity level. Salinity reduced plant population more than 50%, and plant height only 50% from its normal height. Based on soil EC, plant population at harvest, and yield, genotype Karat 13, Grayak 3 and Grayak 5 were identified adaptive to high salinity level with soil EC 11,7-14,4 dS/m, while MLGG 0160 were identified adaptive to moderate salinity level with soil EC up to 9,1 dS/m.
Heterosis F1 Hibrida dan Daya Gabung Galur Mandul Jantan dari Tiga Tipe Sitoplasma dan Galur Pemulih Kesuburan Padi (Oryza sativa L.) Widyastuti, Yuni; Purwoko, Bambang sapta; Yunus, Muhammad; Kartina, Nita; Wibowo, Bayu Pramono; Rumanti, Indrastuti Apri; Satoto, Satoto
Jurnal Penelitian Pertanian Tanaman Pangan Vol 1, No 3 (2017): Desember 2017
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (413.09 KB) | DOI: 10.21082/jpptp.v1n3.2017.p173-181

Abstract

The combining ability provides information on parental lines selection and F1 hybrids having high yield potential. The analysis important to evaluate new parental lines used at hybrid rice breeding. The objectives of the research were to study combining ability of line (CMS/A) and tester (Restorer/R) in producing the new hybrid rice, and to evaluate those new hybrid performance. The research was conducted in November in 2014 to February in 2015 at Indonesian Center for Rice Research field station, in Sukamandi. Mating design and analysis were done using line x tester design. Thirty hybrids and their parental lines were planted in the field using randomized complete block design with three replications. The characters of yield and yield components were observed. Among the lines, CMS IR 58025A was a good general combiner for number of filled grain per panicle, while GMJ 14A was a good general combiner for maturity, and seed set. Among the testers, PK 12 line was the best general combiner for maturity and seed set, while BP 11 was the best general combiner for number of filled grain per panicle. The new hybrid rice with high specific combining ability for grain weight per hill were GMJ 13A/PK 90 (WA), IR 80154A/R 32 (Gambiaca), and GMJ 14A/R 3 (Kalinga). The hybrids rice with the highest standard heterosis compared than Maro and Ciherang, were GMJ 13A/BP 11, GMJ 14A/PK 90, and GMJ 15A/PK 90, each with CMS with genetic background group of WA, Kalinga, and Gambiaca, respectively.

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