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In the present study, we performed the resistance assessment by rice blast inoculation on IRBLta2-Re and IRBLta-CP1, the experimental lines supposed to carry rice blast resistance genes Pita2 and Pita, respectively. The analysis by using 196 rice blast isolates derived from China indicated that the resistance spectrum of IRBLta2-Re was broader than that of IRBLta-CP1. Both IRBLta2-Re and IRBLta-CP1...
Environmental stresses such as chilling temperatures can decrease germination, emergence, flower and fruit development, marketable yield, and postharvest fruit storage longevity in cucumber (Cucumis sativus L.). While response to chilling injury in cucumber is controlled by simple plastidic (maternal) and nuclear (paternal) factors, no chilling tolerant U.S. processing varieties are commercially available...
Calçots are the immature floral stems of second-year resprouts of the ‘Blanca Tardana de Lleida’ (BTL) onion landrace, and to date, breeding has used only a few populations. So, we aimed to increase our knowledge of the variability of BTL and to explore its characteristics and genetic dissimilarity with other varieties that might be used in calçot breeding programs. We analyzed the agronomic and morphological...
Combining ability is one of the most important information breeders use to identify superior inbred lines on the basis of their performance in hybrid combinations. The objectives of our study were (i) to quantify the importance of general combining ability (GCA) and specific combining ability (SCA) variances for seed yield, oil content and oil yield; and (ii) estimate GCA and SCA effects of seed yield,...
Plant architectural characteristics are under strong genetic regulation. Economically important traits for forage crops such as biomass yield, ground cover and persistence can be improved by selecting for particular aerial architectural characteristics. Here, we present an easily applicable method for the spatiotemporal description of branching patterns in red clover (Trifolium pratense) and perennial...
This study is the first report of combining ability and heterosis for important vitamins and antioxidant plant pigments in cauliflower. Five CMS lines were crossed with 8 male fertile lines in line × tester design to develop 40 hybrids. These hybrids along with parental lines were evaluated for different vitamins and anti-oxidant pigments to reveal extent of heterosis and genetic combining ability...
Vernalization and photoperiodism are two important physiological processes related to yield of many cool-season annual crops. The flowering response of 20 flax (Linum usitatissimumL.) genotypes to two vernalization regimes (vernalized and unvernalized) and two photoperiod treatments (10 and 14 h) was evaluated in a growth chamber study in 2010 and 2011. The results suggest that photoperiod, vernalization,...
This investigation was carried out to determine the variability in oil content with the aim to identify genotypes of argan tree expressing high oil yield. The 150 argan trees were collected from five provenances in south west of Morocco over 3 years (2008–2010) and were screened from their oil content using Soxhlet method based on the 840 samples. Univariate and multivariate analysis were used to...
Pre-harvest sprouting (PHS) of wheat greatly reduces the quality and economic value of grain, and PHS resistance is one of the most important traits in wheat breeding. Red-grained wheat varieties are generally more resistant to PHS than white-grained ones; however, some are still susceptible. The red pigment of red-grained wheat is synthesized through the flavonoid biosynthetic pathway, in which the...
Mungbean (Vigna radiata (L.) Wilczek) is an important food legume, but has limited genomic resources. In this study, the development of genic SSR markers from mungbean transcriptome sequences and their transferability to related Vigna species is presented. A total of 12,596 EST sequences from mungbean genotype ‘Jangan’ were searched for the presence of SSRs and 2,299 SSR motifs from 1,848 SSR containing...
Late root bulking is a major factor leading to rejection and abandoning of improved cassava genotypes in sub-Saharan Africa. Early bulking (EB) varieties shorten the growth period from planting to harvesting, better fit into environments with short rainy season, and reduce exposure to biotic and abiotic stresses thereby increasing productivity. This study was carried out to identify molecular markers...
The main objective of this research was the evaluation of the variability present in a segregating wine grape population derived from a cross between Graciano × Tempranillo, two Spanish varieties, in order to select improved genotypes with potential for producing high-quality wines in a climate change scenario. For that purpose, the phenotypic segregation of 16 agronomic traits related to production...
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