Inheritance of Earliness of Flowering in the Sweet Pea

Little, Thomas M.; Kantor, Jerome H.

doi:10.1093/oxfordjournals.jhered.a104968

Cited by 17 publications

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“…It has been established that crossing of short-day and day-neutral types results in pre-dominance of the neutrality characteristic in hybrids of the short-day tobacco Maryland Mammoth and day-neutral forms (Lang, 1947(Lang, , 1948, and in cotton plant hybrids (Gossypium herbaceum) (Lewis andRichmond, 1957, 1960). The crossing of longday biotypes of pea with day-neutral ones resulted in predominance of the long-day characteristic (Barber, 1959); the crossing of long-day forms of the sweet pea (Little and Kantor, 1941) and the sunflower (Sinskaya, 1964) with shortday ones also led to predominance of the longday characteristic. The crossing of longday biotypes of pea with day-neutral ones resulted in predominance of the long-day characteristic (Barber, 1959); the crossing of long-day forms of the sweet pea (Little and Kantor, 1941) and the sunflower (Sinskaya, 1964) with shortday ones also led to predominance of the longday characteristic.…”

Section: Genetic and Hormonal Regulation Of Growth-mentioning

confidence: 99%

Genetic and Hormonal Regulation of Growth, Flowering, and Sex Expression in Plants

Chaĭlakhyan

Timiriazev

1979

American J of Botany

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The interaction of the genetic and hormonal regulation of growth, flowering, and sex expression in plants is discussed. The genetic control of these processes is characterized, and data on their hormonal regulation are supplied. The interaction of genetic and hormonal regulation is considered with reference to tall‐growing and genetic dwarf forms of the pea and wheat plants. It is shown that in the dwarf forms of the pea plant and in many other varieties, growth stimulation in response to treatment with the phytohormone gibberellic acid is clearly manifested and the expression of genetic dwarfism is eliminated, whereas in dwarf wheats it is expressed only slightly, if at all. At the same time both tall‐growing and dwarf forms of both pea and wheat show a clearly defined growth retardation response to treatment with the growth inhibitor, abscisic acid, which causes the expression of physiological dwarfism. The short‐ and long‐day characteristics of the photoperiodic response of plants are described as genetically controlled features, and data are given on the induction of flowering of a long‐day variety coneflower grown under short‐day conditions with the aid of gibberellins extracted from leaves of long‐day vegetative plants of short‐day Mammoth tobacco. Data are also supplied on the induction of flowering of a short‐day variety, red‐leaved goosefoot, grown under continuous light with the aid of metabolites extracted from leaves of the same Mammoth tobacco plants flowering under short‐day conditions. This demonstrates the possibility of hormonal regulation of the genetically controlled long‐day and short‐day characteristics in photoperiodically sensitive plants. Genetic and hormonal regulation of sex expression in two dioecious plants, hemp and spinach, is discussed. It is shown that sex expression in these plants is regulated by gibberellins which are synthesized in leaves and cause male sex expression and by cytokinins which are synthesized in the roots and cause female sex expression. These data indicate that sex expression in dioecious plants is the result of interaction between the genetic apparatus and phytohormones.

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Section: Genetic and Hormonal Regulation Of Growth-mentioning

confidence: 99%

Genetic and Hormonal Regulation of Growth, Flowering, and Sex Expression in Plants

Chaĭlakhyan

Timiriazev

1979

American J of Botany

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“…The late/early difference in sweet peas (Lathyrus odoratus) is determined by one pair of alleles with dominance of late fl owering (100). Minor genes contribute to within-class variation.…”

Section: Pisum Phaseo/us and Other Legumesmentioning

confidence: 99%

Environmental Interaction and The Genetics of Flowering

Murfet¹

1977

Annu. Rev. Plant. Physiol.

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“…Other crosses between short-day and day-neutral forms led to predominance of the short-day characteristic-in hybrids of the cotton plant (Gossypium barbadense) (Lewis andRichmond, 1957, 1960), rice (Chandraratna, 1953(Chandraratna, , 1955, and sorghum (Quinby and Karper, 1947). The crossing of longday biotypes of pea with day-neutral ones resulted in predominance of the long-day characteristic (Barber, 1959); the crossing of long-day forms of the sweet pea (Little and Kantor, 1941) and the sunflower (Sinskaya, 1964) with shortday ones also led to predominance of the longday characteristic. If one of the alleles predominated-day-neutral, short-day, or long-daythen the segregation in F 2 proceeds mostly according to the monofactor scheme and more rarely in line with the more complex di-and polyfactor schemes.…”

mentioning

confidence: 99%

Genetic and Hormonal Regulation of Growth, Flowering, and Sex Expression in Plants

Chaĭlakhyan

1979

American Journal of Botany

View full text Add to dashboard Cite

The interaction of the genetic and hormonal regulation of growth, flowering, and sex expression in plants is discussed. The genetic control ofthese processes is characterized, and data on their hormonal regulation are supplied. The interaction of genetic and hormonal regulation is considered with reference to tall-growing and genetic dwarf forms of the pea and wheat plants. It is shown that in the dwarf forms of the pea plant and in many other varieties, growth stimulation in response to treatment with the phytohormone gibberellic acid is clearly manifested and the expression of genetic dwarfism is eliminated, whereas in dwarf wheats it is expressed only slightly, if at all. At the same time both tall-growing and dwarf forms of both pea and wheat show a clearly defined growth retardation response to treatment with the growth inhibitor, abscisic acid, which causes the expression of physiological dwarfism. The short-and long-day characteristics of the photoperiodic response of plants are described as genetically controlled features, and data are given on the induction of flowering of a long-day variety coneflower grown under short-day conditions with the aid of gibberellins extracted from leaves of long-day vegetative plants of short-day Mammoth tobacco. Data are also supplied on the induction of flowering of a short-day variety, red-leaved goosefoot, grown under continuous light with the aid of metabolites extracted from leaves of the same Mammoth tobacco plants flowering under short-day conditions. This demonstrates the possibility of hormonal regulation ofthe genetically controlled long-day and short-day characteristics in photoperiodically sensitive plants. Genetic and hormonal regulation of sex expression in two dioecious plants, hemp and spinach, is discussed. It is shown that sex expression in these plants is regulated by gibberellins which are synthesized in leaves and cause male sex expression and by cytokinins which are synthesized in the roots and cause female sex expression. These data indicate that sex expression in dioecious plants is the result of interaction between the genetic apparatus and phytohormones.

show abstract

Inheritance of Earliness of Flowering in the Sweet Pea

Cited by 17 publications

References 0 publications

Genetic and Hormonal Regulation of Growth, Flowering, and Sex Expression in Plants

Genetic and Hormonal Regulation of Growth, Flowering, and Sex Expression in Plants

Environmental Interaction and The Genetics of Flowering

Genetic and Hormonal Regulation of Growth, Flowering, and Sex Expression in Plants

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