Inbreeding depression in maize

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WebJun 22, 2010 · Inbreeding depression is the reduced fitness of a population as a result of inbreeding, where the recessive alleles increase in frequency but are less favorable than the dominant alleles,... WebNov 1, 1996 · Outcrossing rate and inbreeding depression in two annual monoecious herbs, Begonia hirsuta and B. semiovata. Evolution, 47, 125–135. Article PubMed Google Scholar. Broyles, S B, and Wyatt, R ...

Inbreeding Depression in Maize by Selfing and Full‐sibbing1

WebSep 2, 2024 · These results suggest a mixture of mostly polygenic, smalleffect recessive variation underlying inbreeding depression, with an additional contribution from rare … WebNov 30, 2024 · The opposite effect, inbreeding depression, results from repeated self-pollination and leads to a reduction in vigor. A popular explanation for this reaction is the … green corduroy women\u0027s pants

Domestication Reshaped the Genetic Basis of Inbreeding Depression …

WebJul 1, 2005 · The evidence that the evolution of breeding systems of animals and plants has been significantly influenced by the occurrence of inbreeding depression is reviewed, and the contemporary genetic theory of inmarriage depression and heterosis and the experimental data concerning the strength of in breeding depression are considered. 3,149 WebInbreeding depression is widespread across plant and animal kingdoms and may arise from the exposure of deleterious alleles and/or loss of overdominant alleles resulting from … WebNAR of Two Maize Inbreds and Their F1 Hybrid NAR at Following Days from Emergence 6-15 15-21 21-28 28-38 z mg/cm2*d-1 Ag Inbred UA. ... . significantly greater than that of CM49 on day 6, although on all Except for the slight depression in the hybrid growth curve (Fig. subsequent harvests hybrid shoots were significantly heavier (Fig. 3) which ... flowtorq

Evidence for an epigenetic role in inbreeding depression

Genomic prediction of hybrid performance for agronomic traits in ...

WebThe objectives of this study were to estimate genetic rates of gain and inbreeding depression by evaluating populations representative of each of seven eras of maize … WebPopulations of N e = 20 that remained extant after 60 generations, showed inbreeding depression, with the mean fitness of these populations being only 45% of the outbredcontrols. ... Effects of inbreeding by selfing and full-sib mating in a maize population. Crop Sci., 14, 815-819. Google Scholar Crnokrak P, Roff DA (1999) Inbreeding depression ... greencore accountsWebOct 3, 2024 · The present study aimed to obtain estimates of inbreeding depression for eight traits in seven tropical maize populations, analyze the effects of inbreeding over … green corduroy trousers for men

"WebMar 9, 2007 · Inbreeding depression in maize by selfing and self-sibbing. ... Inbreeding depression for various traits in two cultured populations of the American bay scallop, Argopecten irradians irradians Lamarck (1819) introduced into China. Journal of Experimental Marine Biology and Ecology, Vol. 364, Issue. 1, p. 42. " - Inbreeding depression in maize

Inbreeding depression in maize

Estimates of the specific combining ability ( ij ) for maize yield in ...

WebAug 27, 2024 · Inbreeding depression is widespread across plant and animal kingdoms and may arise from the exposure of deleterious alleles and/or loss of overdominant alleles … WebSep 1, 2024 · The coefficient of inbreeding depression measured as the absolute proportional change in population mean from a single generation of selfing was higher on average for environmental response traits within both subspecies, 21% (in teosinte) and 36% (in maize; (Figure 1; Figure S2; Table S3).

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WebJan 14, 2024 · Inbreeding depression in clonally propagated plants is expected to be more severe than that in seed plants, as more deleterious mutations accumulate during asexual reproduction, whereas purging... WebThe objective of this study was to evaluate the combining ability and inbreeding depression of commercial maize hybrids for agricultural traits. Twenty-two commercial maize hybrids, 96 F1 crosses ...

http://xmpp.3m.com/inbreeding+research+paper WebInbreeding depression was greater in maize than teosinte for 15 of 18 traits, congruent with the greater segregating genetic load in the maize population that we predicted from sequence data.

Webmost families the inbreeding depression seemed to coincide with a curve calculated on the basis of the expected loss of heterozygosity in a diploid organism. ... The success of hybridization between inbred lines in maize has led to many similar investigations with other crops. Several workers have reported inbreeding studies in cultivated ... WebRate of inbreeding depression for yield by selfing was b 1 = --46.53 q/ha and by full-sibbing, b L = --45.11 q/ha. At comparable levels of homozygosity, means of the lines developed by selfing and full-sibbing were not significantly different except for yield at 99% homozygosity.

WebThe objectives of this study were to learn and prove the truth and scientific miracles of The Quran, specifically the prohibition of incest for humans, also applies and affects …

WebMar 1, 1994 · Abstract. Limited empirical data are available to determine how inbreeding depression rates for quantitative traits have changed with long-term germplasm … green cordyline plants for saleWebInbreeding depression is a crucial factor in crop breeding as well as the evolution of outcrossing mating systems, according to the National Crop Improvement Association. ... Maize, pearl barley, millet, and great millet are just a few examples of plants that have seen moderate inbreeding decline. Depression caused by low inbreeding. flow torinoWebInbreeding depression seems to be present in most groups of organisms, but varies across mating systems. Hermaphroditic species often exhibit lower degrees of inbreeding … greencore aboutWebFeb 24, 2024 · Inbreeding depression is thought to result biologically from (a) deleterious recessive alleles driven to homozygosity, (b) ... Maize hybrids usually show more … greencore about usWebApr 7, 2024 · Moderate Inbreeding Depression: Many crops species, such as maize, jowar, bajara etc. shows moderate inbreeding depression. Many lethal and sublethal types appear in the selfed progeny, but a substantial proportion of the population can be maintained under self- pollination. flow torque hub kitWebInbreeding depression for seed set was small, suggesting seed set may not be the limiting factor in maintaining autotetraploid maize inbred lines that it is in other autotetraploid species. Inbreeding depression for yield corresponded to that expected based on the coefficient of inbreeding assuming the completely inbred generation has a mean of ... greencore absence lineWebPDF) Development of S1 inbred lines and estimation of inbreeding depression in two maize (Zea mays L.) populations CyberLeninka. Inbreeding and disease in tropical shrimp aquaculture: a reappraisal and caution – topic of research paper in Biological sciences. ... Evidence for inbreeding depression in a species with limited opportunity for ... flowtorn