نتایج جستجو برای: gossypium hirsutum seed
تعداد نتایج: 79857 فیلتر نتایج به سال:
In this study, 40 phospholipase D (PLD) genes were identified from allotetraploid cotton Gossypium hirsutum, and 20 PLD genes were examined in diploid cotton Gossypium raimondii. Combining with 19 previously identified Gossypium arboreum PLD genes, a comparative analysis was performed among the PLD gene families among allotetraploid and two diploid cottons. Based on the orthologous relationship...
Polyploid formation and processes that create partial genomic duplication generate redundant genomic information, whose fate is of particular interest to evolutionary biologists. Different processes can lead to diversification among duplicate genes, which may be counterbalanced by mechanisms that retard divergence, including gene conversion via nonreciprocal homoeologous exchange. Here, we used...
Low levels of nucleotide diversity at homoeologous Adh loci in allotetraploid cotton (Gossypium L.).
Levels of genetic diversity within and among populations and species are shaped by both external (population-level) and internal (genomic and genic) evolutionary forces. To address the effect of internal pressures, we estimated nucleotide diversity for a pair of homoeologous Adh loci in an allotetraploid species, Gossypium hirsutum. These data represent the first such estimates for a pair of ho...
Research investigating row spacing in high-yielding, high-input cotton (Gossypium hirsutum L.) production systems has found higher lint yields but no maturity benefits using high plant density, 25 cm spaced ultra-narrow rows (UNR). Seven experiments comparing 38 UNR and conventionally (100 cm) were conducted over three years to determine if changes density or management could optimize yield a s...
Abstract Background Gossypium hirsutum L. ( cotton) is one of the most economically important crops in world due to its significant source fiber, feed, foodstuff, oil and biofuel products. However, utilization cottonseed was limited presence small darkly pigmented glands that contain large amounts gossypol, which toxic human beings non-ruminant animals. To date, some progress has been made pigm...
Genome-Wide Mining, Characterization, and Development of Microsatellite Markers in Gossypium Species
Although much research has been conducted to characterize microsatellites and develop markers, the distribution of microsatellites remains ambiguous and the use of microsatellite markers in genomic studies and marker-assisted selection is limited. To identify microsatellites for cotton research, we mined 100,290, 83,160, and 56,937 microsatellites with frequencies of 41.2, 49.1, and 74.8 micros...
an ex-situ experiment to assess the metal extractive potential of fourteen agriculture plants (vigna unguiculata, gossypium hirsutum, jatropha curcas, etc.) was conducted on magnesite mines which had above permissible levels of cadmium and lead. there was no much difference in the total chlorophyll a and b, carbohydrate and protein contents in the plants grown in the mining soil and adjacent co...
the present experiment was carried out to assess the general combining ability (gca) and specific combining ability (sca) of six important commercial cultivars of gossypium hirsutum l. of venezuela, viz., ‘deltapine 16’, ‘tamcot-sp-21’, ‘cabuyare’, ‘stoneville’, ‘ospino’ and ‘acala 90-1’ and their 15 f1 hybrids, respectively. the data were analyzed using griffing’s model i method ii. significan...
to determine the best planting date and irrigation schedule in a cotton field (gossypium hirsutum var.varamin) in garmsar region an experiment was conducted in 2011. the experimental design was splitplot based on randomized complete block with three replications. three irrigation termination dates (2011sep 11th, 2011 sep 21st and 2011 oct 2nd) arranged in main plots as main factor and three pla...
Single-celled cotton fiber (Gossypium hirsutum) provides a unique experimental system to study cell elongation. To investigate the role of the actin cytoskeleton during fiber development, 15 G. hirsutum ACTIN (GhACT) cDNA clones were characterized. RNA gel blot and real-time RT-PCR analysis revealed that GhACT genes are differentially expressed in different tissues and can be classified into fo...
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