Results 201 to 210 of about 21,522 (238)
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Journal of New Seeds, 2004
Summary Bittergourd is an important cucurbit fruit vegetable grown in the tropics. It has rich nutritional and medicinal value. Hybrids are becoming popular in this crop. Gynoecy is also reported in this crop which could be a useful tool to exploit heterosis on commercial scale with more cheaper rates.
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Summary Bittergourd is an important cucurbit fruit vegetable grown in the tropics. It has rich nutritional and medicinal value. Hybrids are becoming popular in this crop. Gynoecy is also reported in this crop which could be a useful tool to exploit heterosis on commercial scale with more cheaper rates.
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Heterosis: revisiting the magic
Trends in Genetics, 2007Heterosis results in the phenotypic superiority of a hybrid over its parents with respect to traits such as growth rate, reproductive success and yield. This hybrid vigor is determined by non-mutually exclusive mechanisms, including dominance complementation, overdominance and epistasis.
Zachary B. Lippman, Dani Zamir
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A Molecular Basis for Heterosis
Science, 1969Alcohol dehydrogenase allodimers composed of an unstable active subunit and a stable but inactive subunit are both active and stable. The implication of this finding for the problem of heterosis is discussed.
William J. Laughner, Drew Schwartz
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Heterosis in chromosome behaviour
Proceedings of the Royal Society of London. Series B - Biological Sciences, 1955Most examples and measurements of heterosis are concerned with the more familiar features of the phenotype, with such characters as size and growth rate of the body or its outer parts. This account is concerned with less accessible, though not less important, parts of the phenotype, and describes heterosis as it is shown in certain aspects
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Heterosis: Complementation by Mitochondria
Science, 1966Many (but not all) hybrids between two genetic pure lines show heterosis; that is the hybrids grow more rapidly or larger than the parental pure lines. The mechanism is not known. Two corn crosses were studied. In one hybrid known to exhibit heterosis, the mitochondria and an artificial 1:1 mixture of parent mitochondria showed heterosis with respect ...
Robert G. McDaniel, Igor V. Sarkissian
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2020
The phenomenon of heterosis was first described by Darwin as having a positive effect on plant traits, as displayed by cross-fertilized over self-fertilized progenies in the vegetable kingdom. Shull and East's rediscovery of heterosis in 1906 paved the way for the introduction of the first maize hybrid varieties in the US market in early 1930.
Calderini O, Scotti C
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The phenomenon of heterosis was first described by Darwin as having a positive effect on plant traits, as displayed by cross-fertilized over self-fertilized progenies in the vegetable kingdom. Shull and East's rediscovery of heterosis in 1906 paved the way for the introduction of the first maize hybrid varieties in the US market in early 1930.
Calderini O, Scotti C
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1983
It is well known that the use of heterosis effect in F1 after crossing different species, cultivars or inbred lines, has opened wide new vistas for the breeding of cultivated crops. Investigations in the field of genetics, physiology, biochemistry and cytology concerned with discovering the nature and manifestations of this biological phenomenon are of
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It is well known that the use of heterosis effect in F1 after crossing different species, cultivars or inbred lines, has opened wide new vistas for the breeding of cultivated crops. Investigations in the field of genetics, physiology, biochemistry and cytology concerned with discovering the nature and manifestations of this biological phenomenon are of
openaire +2 more sources