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XXX.—Pollination and Seed Production in the Rye-Grasses (Lolium perenne and Lolium italicum). ACTA ACUST UNITED AC 2012. [DOI: 10.1017/s0080456800013387] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Various selective agents exert their influence on the processes governing the survival of new forms within an established plant group. As the balance of these agents changes so also will the genetic composition of the plant group change. Environmental conditions undoubtedly permit and direct evolution, but apparently the action of the environment is mainly selective in nature, and, although not directly concerned in the production of new growthforms, it aids the survival of suitable forms by establishing a certain amount of genotype isolation. Amongst the various selective agents whose action is confined to the direct selection of genotypes, or phenotypes and therefore indirectly of genotypes, there is the important question of pollination and fertilisation. As the very existence of individuals depends on compatible fertilisation, the investigation of the problem of pollination and fertilisation obtaining within a plant group is essential preparatory to any study of the survival of individuals within that plant group.
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VI.-INVESTIGATIONS OF THE POLLEN OF THE MALVACEAE, WITH SPECIAL REFERENCE TO THE INCLUSIONS*. ACTA ACUST UNITED AC 2011. [DOI: 10.1111/j.1365-2818.1937.tb00805.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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The Reaction of the Stigmatic Tissue against Pollen-Tube Growth in Selfed Self-Sterile Plants. Proc Natl Acad Sci U S A 2006; 20:364-8. [PMID: 16587904 PMCID: PMC1076420 DOI: 10.1073/pnas.20.6.364] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Linkage between a Flower Color Factor and Self-Sterility Factors. Proc Natl Acad Sci U S A 2006; 12:248-55. [PMID: 16576988 PMCID: PMC1084513 DOI: 10.1073/pnas.12.4.248] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Studies on pollen tube development in a partially sterile hybrid betweenLinaria vulgaris andL. purpurea. Mol Genet Genomics 1927. [DOI: 10.1007/bf01740985] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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