YIELD AND AGRONOMIC PERFORMANCE OF SALINETOLERANT RICE MUTANT LINES

IF 0.6 4区 环境科学与生态学 Q4 ECOLOGY
R. Yunita, P. H. Sinaga, E. Lestari, I. Dewi, R. Purnamaningsih, Mastur
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Abstract

. The purpose of this study was to determine the yield stability, adaptability, and agronomic traits of 10 saline-tolerant mutant rice lines at six locations with diverse saline conditions in Indonesia. This research was conducted in six saline soil locations, with the electrical conductivity (EC) ranging from 6.2 to 12.7 dSm -1 ). The field experiments were arranged in a randomized complete block design (RCBD) with rice genotype as the factor. Each experimental unit was 4 m x 5 m of plots. The genotype treatment consisted of ten lines of salinity-tolerant mutant rice and four control varieties. Inpari 34 and Inpari 35 Salin agritan were the tolerant control varieties. The parent-control varieties were Ciherang (sensitive) and Inpari 13 (moderate). Each treatment was replicated three times. The results showed five mutant lines, namely CH-1, CH-2, CH-3, II-13-14, and II-13-78, were confirmed as being adaptive to saline environments. Two mutant lines (CH-1 and II-13-78) had high average productivity (>7 tons ha -1 ) and potential yields (>8.5 tons ha -1 ) that were significantly different from the parents and control saline-tolerant varieties. Supported by good agronomic characteristics, those two mutant lines have the potential to be released as new rice varieties tolerant to salinity.
水稻耐盐突变系的产量和农艺性能
. 本研究的目的是确定10个耐盐突变水稻系在印度尼西亚6个不同盐碱条件下的产量稳定性、适应性和农艺性状。本研究在6个盐碱地进行,电导率(EC)范围为6.2 ~ 12.7 dSm -1。田间试验以水稻基因型为影响因素,采用随机完全区组设计(RCBD)。每个实验单元为4米× 5米的地块。基因型处理包括10个耐盐突变水稻品系和4个对照品种。Inpari 34和Inpari 35是耐病对照品种。亲本对照品种为慈和让(敏感)和英百丽13(中等)。每个治疗重复三次。结果表明,5个突变系CH-1、CH-2、CH-3、II-13-14和II-13-78对盐碱环境具有适应性。两个突变品系CH-1和II-13-78均具有较高的平均产量(7吨ha -1)和潜在产量(8吨8.5吨ha -1),显著高于亲本和对照耐盐品种。这两个突变系具有良好的农艺性状支持,具有作为耐盐水稻新品种释放的潜力。
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来源期刊
Applied Ecology and Environmental Research
Applied Ecology and Environmental Research ECOLOGY-ENVIRONMENTAL SCIENCES
CiteScore
1.40
自引率
14.30%
发文量
104
审稿时长
14 months
期刊介绍: The Journal publishes original research papers and review articles. Researchers from all countries are invited to publish pure or applied ecological, environmental, biogeographical, zoological, botanical, paleontological, biometrical-biomathematical and quantitative ecological or multidisciplinary agricultural research of international interest on its pages. The focus is on topics such as: -Community, ecosystem and global ecology- Biometrics, theoretical- and quantitative ecology- Multidisciplinary agricultural and environmental research- Sustainable and organic agriculture, natural resource management- Ecological methodology, monitoring and modeling- Biodiversity and ecosystem research, microbiology, botany and zoology- Biostatistics and modeling in epidemiology, public health and veterinary- Earth history, paleontology, extinctions, biogeography, biogeochemistry- Conservation biology, environmental protection- Ecological economics, natural capital and ecosystem services- Climatology, meteorology, climate change, climate-ecology. The Journal publishes theoretical papers as well as application-oriented contributions and practical case studies. There is no bias with regard to taxon or geographical area. Purely descriptive papers (like only taxonomic lists) will not be accepted for publication.
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