| 词汇 | example_english_accession |
| 释义 | Examples of accessionThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Table 8 demonstrates this by identifying the proportion of accessions to headship for each relation attributable to participation in a household division. The presence of significant interaction between the accessions and year for most attributes indicates that lablab performance varied with year or season. In general, all legumes were consumed although the acceptability varied among species and accessions. Each genebank contained approximately 60 accessions (single-tree progenies). The majority of all the accessions classified as botanical varieties clustered together. However, 13 of the markers transferred and produced a band in all the wild relative accessions in this study. A collection of 38 accessions was characterized agronomically and nutritionally. Two accessions with antibiosis reduced aphid biomass by 60% compared with commercial wheats. The judging panel (farmers, housewives, cooks and scientists) rejected 70 % of the accessions due to poor post-harvest quality traits. Most of the accessions with good resistance had low levels of seedling infection and small numbers of plants infected at harvest. Overall resistance to the three aphid species was observed in five to seven accessions per aphid species. In this study, biomass production of aphids and individual plants were recorded for diverse accessions from 19 species of wheat and three species of aphid. A two-phase pretreatment technique was developed for breaking seed dormancy and was validated using different accessions and seed lots. An unexpectedly strong relationship between the overall resistance and growth potential of the accessions complicated identification of tolerance. Based on data obtained in cluster analysis, accessions with maximum genetic distance will be selected to screen markers for polymor phic banding patter ns. The study includes accessions that were harvested between 1934 and 1975 and had initial germination percentages greater than 75% (except where indicated). Differences in the extent of such constraints are likely to be the cause of the variability in germination observed among and within seed accessions. However, melon accessions differ in their ability to germinate at low temperatures. Total nutrient accessions in litterfall were calculated by summing the individual components. Average yearly accessions of nutrients in litterfall and each component were determined as the weighted average of each of the individual collections. The situation where his idea would be theoretically possible is now long past, given the accessions of the past two decades. Significant differences among accessions were observed three days after the inoculation of detached leaf discs. The collections usually contain accessions which, although morphologically different, have identical genetic origins and vice versa. The spike biomass of the same accessions in the multi-plant cages was 65% of that in the single-plant cages, 16 and 24 g respectively. At the seedling stage, the most antibiotic accessions reduced aphid biomass by 62-75% in comparison to the checks. A fixedeffects model was used to allow individual resistant accessions to be identified. Occasionally plants died before they could be tested, and individual accessions had to be excluded from a particular test. Nevertheless, individual susceptible or resistant accessions occurred at all levels within the evolutionary tree of wheat. The frequency of accessions with antibiosis or overall resistance was associated with the ploidy level of the plant species. The pattern of allelic distribution for different loci among accessions and groups, although nonrandom, did not reveal an obvious geographic trend across the collection. Five accessions were collected with a range of ear emergence of 7 days. Meanwhile, however, accessions should be kept in reproductive isolation in order to maintain pure accessions. The chosen accessions were collected from 7 to 1427 m asl. Genetic distances among accessions were calculated and represented in a cluster tree. Each member of the core collection will represent a group of accessions, thus allowing the activation of the total genepool. In spite of this, the biomass production of different mucuna accessions has been poorly quantified. The rate at which seeds of the various species lost viability in storage was calculated from germination time courses pooled among accessions and harvest dates. By 48 h, the radicles of both melon accessions were 10-15 mm in length. Any of these procedures might also be used to minimize further ageing of poorly preserved accessions. At each site, nutrient accessions in wood varied markedly between collection periods, with no consistent differences recorded between sites. Over the study period, leaf-fall accounted for the bulk of nutrient accessions in fine litterfall. Following these criteria, accessions were selected corresponding to more than 0.20 of samples. Multilocational trials with a selected set of accessions should be conducted under different environmental conditions. Based on this, accessions were then grouped into six flowering groups (40-50, 51-60, 61-80, 91-110, 111-130 and 130-150 days). Ten accessions that may contribute to grain production, eight accessions that may contribute to forage production and six accessions with drought tolerance were identified. Information on the genetic relationships of the materials allows valuable atypical accessions to be identified and conserved and duplicates (or near duplicates) to be removed. Four accessions exhibited tolerance levels at least 30% greater than commercial wheats. The effects of water temperature and variation in initial hardseededness and viability among and within accessions were also investigated. Nevertheless, we observed significant differences between accessions, which indicates real repellency. Three accessions were tested for most species, except where fewer were available, giving a total of 41 accessions. Total number of wheat accessions (n), excluding duplicate checks in 1998 and 1999. At the adult plant stage, some accessions were at least 50% more tolerant than checks with similar growth potentials. Production of aphid biomass also was low on accessions 10 and 29, and these two accessions had low aphid biomass at heading. The collections grow with many new accessions every year and it is important to provide for this within the landscape framework. The early and late maturing accessions were planted alternately in a randomized complete block design in three replications. Of the 313 accessions evaluated initially, 30 accessions were evaluated a second time. A total of 94 alleles were detected, with extensive polymorphism among the accessions. The remaining samples are botanical varieties and wild accessions. High bootstrap support was obtained between many of the accessions that clustered closely together; however, low bootstrap support was obtained between the clades. Thus, selections from the best accessions under non-favorable conditions would per mit a quick release of pure line varieties with better adaptation to stress environments. All accessions of the core collection and the selected landraces will be genetically characterized with the developed molecular markers. There were no consistent between-site differences in total nutrient accessions in small litterfall. In addition, drought tolerant accessions present an opportunity for the further development of lablab through breeding and selection, further enhancing its ability to contribute to soil conservation and production systems. Figure 1 shows the selected accessions. The present paper presents the results of the agronomic evaluation of 46 accessions of lablab, describes the variation available and identifies suitable characters for selection programmes. All accessions nodulated freely without inoculation. Initiating a search for germplasm resistant to aphid pests of wheat is a daunting task because of the tens of thousands of accessions available for testing. Figure 1 shows that the percentages of abnormal seedlings/dead seeds were higher in the imbibed seed fraction than in the hard seed fraction for all test accessions. 105 descriptor data from evaluating the morphology of these accessions it is possible that this study will permit more accessions in the mini core to be classified into botanical varieties. At the same time, knowledge of the genetic variation between accessions in a gene-bank has a direct impact on management of the collection as a whole. Selected accessions are in bold. All accessions had nodules at 0.5 flowering. High diversity was detected between accessions. The early-owering accessions would probably be earlier in displaying susceptibility and at a time when the temperature was still relatively high and more conducive to the pathogen. Twenty-one wheat accessions were replicated once within each plot for a total of 42 plants per plot in 1997 and 1998, in a randomized complete block design. Thirty of 42 accessions were more antibiotic at the seedling stage than three cultivated wheat checks, and four accessions showed more tolerance as adult plants than the checks. Leaf-fall accounted for the largest proportion of nutrient accessions over the study period, although at certain times accessions in both reproductive material and wood were significant. Because no a priori structure or geographic criteria could be assumed, the overall pattern of genetic relationships among accessions was examined using a cluster analysis irrespective of their geographic origin. Further research is warranted in order to determine the prevailing reproduction method of the species and to quantify the rate and impact of outcrossing among and within accessions. Therefore, accessions were used as replicate genotypes, categorized as having high or low levels of resistance, to test hypotheses about patterns of resistance among wheat species. In these accessions the fungus was evident only on the plant stems in advanced senescence and the lines were still selected for possible high tolerance to the pathogen. Ten early- and ten late-maturing accessions were used in the study and the early- and late-maturing lines reached 50% -owering between 25+37 and 38+45 days after emergence respectively. Effectiveness of some management procedures for seed regeneration of plant genetic resources accessions. Even though our findings correspond well with previous predictions based on single parameters in the production of volunteers, we only analysed a limited number of accessions and plants. Except for two minor exceptions, no significant differences were found between nutrient concentrations of litterfall or between nutrient accessions in litterfall at the two undisturbed sites. If you examine the differentials resulting from enlargement after previous accessions, you cannot fail to see that parity is to come about only in 2003. From Europarl Parallel Corpus - English Subsequent accessions of additional countries should not be excluded, but everything must be done in accordance with rules and conditions. From Europarl Parallel Corpus - English Only large differences among accessions, reflecting biomass changes of 50% or more of the standard, were reliably detected. Furthermore, no tolerance was detected among accessions at the seedling stage. Spikes rather than seeds were used because some accessions had glumes that adhered tightly and could not be threshed. Tolerance was correlated with growth potential, and was useful only in accessions with high growth potential. Each plot contained one plant from each of the 42 accessions in a completely randomized design. The international distribution of selected genotypes is quite useful once accessions have been fully characterized. At this time, 24 accessions had over 0.75 of the plants with effective nodules. Bands scored as present or absent were transformed into a data matrix to calculate genetic distances among accessions. Time to flowering of accessions in this group is intermediate (315 days), and seed yield moderate (162 g/plant). The number of seed accessions stored in these three banks is enormous, well above 1 million. In a future paper, time courses for individual accessions will be analysed separately to provide information on intraspecific and harvest year variability. There was, however, significantly greater variability in the relative contributions of each component to nutrient accessions at different collection times. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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