Research Article

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Seeds collected at different maturation stages vary in physiological quality and patterns of protective antioxidant systems against deterioration. In this study we investigated the expression of genes that codify catalase (CAT), dismutase superoxide (SOD), and polyphenol oxidase (PPO) during the pre- and post-physiological maturation phases in whole seeds and in endosperms and embryos ... more

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The genetic diversity and spatial autocorrelation of Toona ciliata populations were analyzed with eight microsatellite markers to determine an appropriate sampling strategy for the effective conservation of natural T. ciliata populations. The average number of alleles and effective number of alleles were 6.1 and 2.7, ... more

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QTL mapping; Rice; Spikelet number per panicle; Stigma exertion rate

The stigma exertion rate is a polygenic inherited trait that is important for increased seed yield in hybrid rice breeding. To identify quantitative trait loci (QTL) associated with high stigma exertion rate, we conducted QTL mapping using 134 recombinant inbred lines derived from XieqingzaoB and Zhonghui9308, which have high and low stigma exertion rates, ... more

M.H. Rahman; P. Yu; Y.X. Zhang; L.P. Sun; W.X. Wu; X.H. Shen; X.D. Zhan; D.B. Chen; L.Y. Cao; S.H. Cheng
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Bioinformatic analysis; Chlorophyll degradation; Leaf senescence; Melon; Stay-green

Chlorophyll (CHL) is present in many plant organs, and its metabolism is strongly regulated throughout plant development. Understanding the fate of CHL in senescent leaves or during fruit ripening is a complex process. The stay-green (SGR) protein has been shown to affect CHL degradation. In this study, we used the conserved sequences of STAY-GREEN domain protein ( ... more

R.G. Bade; M.L. Bao; W.Y. Jin; Y. Ma; Y.D. Niu; A. Hasi; R.G. Bade; M.L. Bao; W.Y. Jin; Y. Ma; Y.D. Niu; A. Hasi; R.G. Bade; M.L. Bao; W.Y. Jin; Y. Ma; Y.D. Niu; A. Hasi; R.G. Bade; M.L. Bao; W.Y. Jin; Y. Ma; Y.D. Niu; A. Hasi
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Banana; Biodegradation; Disease control; Foc TR4; Fusarium wilt; Trichoderma

Fusarium wilt (also known as Panama disease) is one of the most destructive banana diseases, and greatly hampers the global production of bananas. Consequently, it has been very detrimental to the Chinese banana industry. An infected plant is one of the major causes of the spread of Fusarium wilt to nearby regions. It is essential to develop an efficient and ... more

J. Yang; B. Li; S.W. Liu; M.K. Biswas; S. Liu; Y.R. Wei; C.W. Zuo; G.M. Deng; R.B. Kuang; C.H. Hu; G.J. Yi; C.Y. Li
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Adaptive genetic variation; Davidia involucrata; EST-SSR; Living fossil; Transcriptome sequencing

Davidia involucrata, reputed to be a “living fossil” in the plant kingdom, is a relict tree endemic to China. Extant natural populations are diminishing due to anthropogenic disturbance. In order to understand its ability to survive in a range of climatic conditions and to design conservation strategies for this endangered species, we developed genic ... more

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Sequence-related amplified polymorphism (SRAP) markers preferentially amplify open reading frames and were used to study the genetic diversity of Tunisian pistachio. In the present study, 43 Pistacia vera accessions were screened using seven SRAP primer pairs. A total of 78 markers was revealed (95.12%) with an average ... more

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GM crops; Real-time PCR; Transgenic maize

Conventional and genetically modified (GM) maize cultivars have been widely planted in Brazil to produce grains for processed food, feed, or to be consumed fresh as corn ears. This study used real-time PCR to detect GM maize in processed products and fresh commercial corn ears produced in the last two years in South Brazil. Eighteen conventional and GM maize ... more

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Macaw palm (Acrocomia aculeata) is a promising species for use in biofuel production, and establishing breeding programs is important for the development of commercial plantations. The aim of the present study was to analyze genetic diversity, verify correlations between traits, estimate genetic parameters, and select different accessions of A. ... more

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