Case Studies on Male Sterility and Self-Incompatibility in Plants - Softcover

Bisht, Ashita; Sharma, Neha; Patial, Madhu

Softcover

ISBN 10: 9999334482 ISBN 13: 9789999334488

Verlag: Eliva Press, 2025

Inhaltsangabe

Many bisexual flowers exhibit the occurrence of non-functional pollen alongside fully fertile ovules. Various natural mechanisms prevent self-fertilization to promote diversity and variability. Hermaphroditic species often exhibit genetic male-sterility that retain normal female functions, with diverse phenotypic manifestations. This can be due to environment-sensitive nuclear male sterility (MS) controlled by nuclear genes and influenced by environmental conditions, or cytoplasmic MS, determined by the mitochondrial genome and suppressed by nuclear restorer genes. Another mechanism, self-incompatibility (SI), found in many angiosperms and fungi, promotes cross-fertilization and prevents inbreeding. This involves self-recognition interactions between haploid and diploid genomes and categorized as either gametophytic or sporophytic SI. Since their discovery, these phenomena have been extensively applied to facilitate hybridization. Hybrid breeding exploits heterosis which combines complementary genes from both parents, resulting in high-performance traits. Male sterility and SI systems enable controlled pollination during large-scale seed production; however, their application is constrained by factors such as environmental instability, incomplete fertility restoration, and dependence on specific restorer genotypes. Despite these limitations, the strategic deployment of male sterility and self-incompatibility systems has profoundly advanced hybrid breeding technologies and remains central to modern plant breeding and agricultural productivity.

Details zur Ausgabe

• Verlag: Eliva Press
• Erscheinungsdatum: 2025
• Sprache: Englisch
• ISBN 10: 9999334482
• ISBN 13: 9789999334488
• Einband: Taschenbuch
• Anzahl der Seiten: 52
• Kontakt zum Hersteller: preigu GmbH & Co. KG; mail@preigu.de; ; Lengericher Landstr. 19; Osnabrück; Niedersachsen; 49078; Deutschland