Results 151 to 160 of about 15,664 (190)
Identification, characterization, and expression profiling of the bHLH gene family in Beta vulgaris. [PDF]
Yang H +8 more
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Comprehensive Characterization of the <i>FAT</i>s Gene Family in Maize: Phylogeny, Expression Patterns, and Regulatory Networks. [PDF]
Li Y +10 more
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First Record of Conotrachelus quadrilineatus Champion, 1904 (Coleoptera: Curculionidae: Molytinae) Damaging Beans in South America. [PDF]
Baron-Ortiz DA +2 more
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Systematic Analysis of Zinc Finger-Homeodomain Transcription Factors (ZF-HDs) in Barley (Hordeum vulgare L.). [PDF]
Liu MD +8 more
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Polyploidy in Angiosperms: Dicotyledons
1980As summarized by Goldblatt (1) in the previous article, “Polyploidy in angiosperms: monocotyledons,” recent estimates of polyploid frequency among angiosperms vary from 30–35% to 47%. The highest value is based on the postulation that haploid numbers in excess of n=13 would be mainly polyploid and those with n=13 or less would be predominantly diploid (
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Botanical Gazette, 1957
1. Statistical analysis of available data on the types of endosperm and of vessel perforation in dicotyledonous taxa indicates that (a) Nuclear-type endosperm is positively associated with porous perforation and that (b) Cellular-type endosperm is negatively associated with such perforation. 2. As it has been well established that porous perforation of
B. G. L. Swamy, P. M. Ganapathy
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1. Statistical analysis of available data on the types of endosperm and of vessel perforation in dicotyledonous taxa indicates that (a) Nuclear-type endosperm is positively associated with porous perforation and that (b) Cellular-type endosperm is negatively associated with such perforation. 2. As it has been well established that porous perforation of
B. G. L. Swamy, P. M. Ganapathy
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Mitotic Cycles in Dicotyledons and Monocotyledons
Nature, 1971THE duration of the mitotic cycle in comparable tissues of different plant species is closely correlated with the amount of nuclear DNA1,2. In a survey of seven species Van't Hof2 showed that the average duration of the mitotic cycle in root tip meristems increases at the rate of 0.3 h/pg of DNA. Our own data agree in general with these results, but we
G M, Evans, H, Rees
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1998
Abstract The first edition of the Anatomy of the Dicotyledons written by the late C. R. Metcalfe and L. Chalk in the 1950s has become a classic and widely cited reference. Responsibility for the second edition has been undertaken by the Royal Botanic Gardens at Kew where world-leading resources and specimen collections are at hand ...
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Abstract The first edition of the Anatomy of the Dicotyledons written by the late C. R. Metcalfe and L. Chalk in the 1950s has become a classic and widely cited reference. Responsibility for the second edition has been undertaken by the Royal Botanic Gardens at Kew where world-leading resources and specimen collections are at hand ...
openaire +1 more source

