Inbred lines in plants

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WebAug 13, 2024 · Nature Plants - Self-incompatibility of potatoes hinders the development of inbred diploid lines and breeding efficiency. Now, a study generated self-compatible diploid potatoes by knocking out a ... WebThe present investigation consisted 18 photo-insensitive recombinant inbred lines (RILs) of Basmati derivative developed through disruptive seasonal selection and two check varieties raised during Kharif 2010 to study the polygenic variations in

Improvement of Inbred Lines in Plant Breeding Botany

WebVariation in response to fescue toxicosis was examined in inbred and linecross mice. In Exp. 1, exposure to a 50% endophyte-infected tall fescue diet (E+) reduced ADG of males from six inbred lines, but ADG of males from one line was modestly higher on E+. Lines differed (P < .01) for reproductiv … Webinbred line; instead, it has a proportion of the undesirable A-188 background, and theprogeny segregates for phenotypic characteristics and shows poor agronomic performance. In an effort to identify genotypes that combine a high somatic embryogenic response and good agronomic performance, we evaluated 48 advanced inbred lines developed at INTA. thep189.com

Plant breeding - Hybrid varieties Britannica

Webcrossing two unrelated, homozygous inbred lines. Traditionally, the maize plants’ cross-breeding nature required recurrent self-pollinations for 6–10 generations, i.e., 3–5 years when two seasons per year can be accomplished, to obtain sufficiently homozygous inbred lines [13]. Inbred lines are genotypes that are developed to be used as WebJan 7, 2024 · Kazue Ito, Takanori Ohsako &. Makoto Kawase. Scientific Reports 12, Article number: 218 ( 2024 ) Cite this article. 2378 Accesses. 2 Citations. 32 Altmetric. Metrics. WebSep 25, 2024 · The production of maize DH lines involves the following four steps: (1) induction of haploids; (2) identification of haploids at seed or seedling stage; (3) chromosome doubling in the haploids; and (4) selfing the fertile doubled haploid plants to produce seed for DH lines. Haploid induction shutdown point in economics

Glossary – Plant Breeding and Genomics - Extension

The genomics of linkage drag in inbred lines of sunflower PNAS

WebNov 14, 2024 · Recombinant Inbred Line (RIL): A recombinant inbred line (RIL) population is developed through single seed descent from the F 2 generation. The result is a set of … WebJul 19, 2024 · Hybrids account for nearly all commercially planted varieties of maize and many other crop plants because crosses between inbred lines of these species produce first-generation [F 1] offspring that greatly outperform their parents.The mechanisms underlying this phenomenon, called heterosis or hybrid vigor, are not well understood … shutdown point on graphWebMar 27, 2024 · Sunflower is a hybrid crop, and CWRs were used to develop cytoplasmic male sterile “female” lines and branching, fertility-restoring “male” lines for hybrid production. The male-restorer lines (PSC8, OQP8, and RHA438) generally had more introgressions than the female-maintainer lines (HA412, XRQ, IR, HA89, LR1, and HA300) ( SI Appendix, Fig. S16 ). shut down point in economics

"WebMore extensive testing of hybrids (from DH inbred line parent crosses) to determine combining ability of DH lines. For pure lines, more extensive yield testing of DH lines can be performed. 4. For plant variety protection requirements of distinctness, uniformity, and stability, DH lines are advantageous as they are completely homozygous. 5. " - Inbred lines in plants

Inbred lines in plants

Genomic methylation and transcriptomic profiling ... - ScienceDirect

WebJul 30, 2024 · DNA methylation was reduced in inbred plants, suggesting a change in the epigenetic landscape. Transcriptome analysis by RNA-Seq revealed that genes in auxin-response and synthesis pathways were differentially expressed in the inbreeding depression lines. Interestingly, methylation levels of some of those genes were also changed. WebDec 7, 2024 · Plants from seeds of the maize (Zea mays L.) inbred line PH1V5T were obtained from internal Corteva Agriscience sources and used as embryo donors. Cas9 protein and gRNA molecules

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WebNov 14, 2024 · A recombinant inbred line (RIL) population is developed using single seed descent from the F 2 generation. The result is a set of homogeneous, homozygous lines … WebIn plant breeding, inbred lines are used as stocks for the creation of hybrid lines to make use of the effects of heterosis. Inbreeding in plants also occurs naturally in the form of self …

WebAug 30, 2024 · When a seed is formed by a plant, it is the result of pollen fertilizing an egg (ovule). Whether the resulting seed “comes true,” that is, produces plants identical to the … WebInbred lines are evaluated for their general combining ability (GCA). There are three methods used: top cross, poly cross, and single cross. In top cross, crosses are made between …

WebIn plant breeding, inbred lines are used as stocks for the creation of hybrid lines to make use of the effects of heterosis. Inbreeding in plants also occurs naturally in the form of self-pollination . Inbreeding can significantly influence gene expression which can prevent inbreeding depression. [14] Overview WebThe production of a hybrid corn variety involves three steps: (1) the selection of superior plants; (2) selfing for several generations to produce a series of inbred lines, which although different from each other are each pure-breeding and highly uniform; and (3) crossing selected inbred lines.

WebInbreeding generally leads to loss in yield; the inbred lines yield much less than the open pollinated varieties from which they are derived. Heterosis is generally expressed as an increase in yield of the hybrid. Commercially this phenomenon is of great importance as an objective of plant breeding. 4.

WebInbred line development will be initiated in five breeding crosses with the objective to self 500 plants and ultimately save 160 plants for advancing to S2 stage. The effectiveness of … shutdown ponds forgeWebThe inbred lines are the critical part of F 1 hybrid production accounting for much of the cost and complexity of producing F 1 hybrid seed. Inbreeding is allowing closely related plants … shutdown point definitionWebAug 3, 2024 · Assessment of genetic purity of parental inbred lines and their resultant F1 hybrids is an essential quality control check in maize hybrid breeding, variety release and seed production. In this study, genetic purity, parent-offspring relationship and diversity among the inbred lines were assessed using 92 single-nucleotide polymorphism (SNP) … thep194.ccWebInbred line: It is a near homozygous line obtained by continues inbreeding in a cross pollinated crop followed by selection. Single cross: when two inbred lines or pure lines … shutdown point perfect competitionWebOct 24, 2024 · Production of pure lines is an important step in biological studies and breeding of many crop plants. The major types of pure lines for biological studies and breeding include doubled haploid (DH) lines, recombinant inbred lines (RILs), and near isogenic lines (NILs). DH lines can be produced throug … thep195.cc shut down point adalahWebApr 1, 2024 · Although sunflower is considered a moderate drought-tolerant plant, drought stress still has a negative impact on sunflower yield as cultivation expands into arid regions. ... and cell membrane integrity of drought tolerance inbred line were higher than those of drought-sensitive inbred line under drought stress, indicating that DT had stronger ... shutdown pokémon