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Exploration of incompatible crosses in plants for novel and useful variations

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Title Exploration of incompatible crosses in plants for novel and useful variations
Not Available
 
Creator Visarada Kurella B.R.S.
Jinu Jacob
Kanti Meena
Deepika Cheruku
Sujatha Mulpuri
 
Subject epigenetics
genes
genetic background
germplasm
phenotype
transcriptome
 
Description Not Available
Crop improvement through pre‐breeding utilizes elite lines, germplasm and species of compatible gene pools, but crossing and characterizing the derivatives between incompatible species, especially distant genera or species, is realized to introduce de novo variations that are heritable, stable and especially economically contributing. This is a novel approach to introduce large‐scale de novo variations in crops that can be applied to widening of the genetic base. It helps to introduce heritable and agronomical variations that can be evolved in a short time for use in trait specific breeding programmes. In crosses between incompatible species many times F₁ are delusive appearing like maternal parent. But large variations in F₂ are observed due to genetic changes that include partial or complete elimination of the genome from the paternal parent, reshuffling of the maternal genome leading to several changes that are translated to phenotype. Genome, transcriptome and epigenetic reprogramming is responsible for the above genetic changes. Crossing two distant species can be used as an additional tool in plant breeding.
 
Date 2023-02-14T04:25:12Z
2023-02-14T04:25:12Z
2022-08-22
 
Type Book
 
Identifier 0179-9541
http://krishi.icar.gov.in/jspui/handle/123456789/76187
 
Language English
 
Relation Not Available;
 
Publisher Not Available