Cytological Basis of Killing Plant Tumors by Colchicine

Dermen, Haig; Brown, Nellie A.

doi:10.1093/oxfordjournals.jhered.a104881

Cited by 7 publications

(2 citation statements)

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“…Additional examinations of the effect of nitralin on mitosis were conducted on killed and fixed material and suggested a resemblance to the effects of colchicine (2,3,4) and naphthalene acetic acid (5) on dividing plant cells.…”

Section: Introductionmentioning

confidence: 99%

Gross Morphological and Cytological Effects of Nitralin on Corn Roots

Gentner

Burk

1968

Weed sci.

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The gross morphological effects of the herbicide 4-methyl-sulphonyl-2,6-dinitro-N,N-dipropylaniline [nitralin] on roots of corn (Zea mays L., var. U. S. 13) suggested abnormal cytological behavior. Roots of corn plants treated preemergence with nitralin developed digitate to globose swelling in the region of active cell division of the root tip. Cytological examination of the affected area showed that the effects of the herbicide were prevention of cell wall formation, enlargement of cells, and extensive replication of nuclei, and suggests that a primary effect of nitralin is on cell division and that this may be a primary mechanism of action as a herbicide.

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Section: Introductionmentioning

confidence: 99%

Gross Morphological and Cytological Effects of Nitralin on Corn Roots

Gentner

Burk

1968

Weed sci.

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“…In addition, there is also the benefit of reducing generation time by harvesting immature embryos rather than waiting for seed maturation. It is well documented that higher levels of colchicine exposure can stunt seedlings (Havas, 1937; Dermen and Brown, 1940). However, the effect may be equally observed among haploids and diploids, maintaining the relative differences in PRL.…”

Section: Discussionmentioning

confidence: 99%

Utilization of Reduced Haploid Vigor for Phenomic Discrimination of Haploid and Diploid Maize Seedlings

Vanous¹,

Jubery²,

Frei³

et al. 2019

The Plant Phenome Journal

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Core Ideas There are many potential benefits of incorporating embryo culture into a doubled haploid program. There is no known non‐transgenic method of selecting haploid embryos following embryo culture. Our goal was to establish a non‐transgenic haploid selection method following embryo culture. These methods allow early haploid selection based on differential root growth features. Potential benefits of incorporating embryo culture (EC) into a doubled haploid (DH) program, including shortening the breeding cycle and increasing chromosome doubling rates, make the laborious and tedious task of excising embryos worth the effort. Difficulties arise during embryo selection considering the marker gene R1‐nj, which is typically used in DH programs, is not expressed in early stages after pollination. Although transgenic approaches have been implemented to bypass this issue, there is so far no known non‐transgenic method of selecting haploid embryos. The findings of this study reveal methods of selecting haploid embryos that allow the possibility of incorporating EC into a DH program without using transgenic inducers. The best performing method involves a machine‐learning classifier, specifically a support vector machine, which uses primary root lengths and daily growth rates as traits for classification. Selection by this method can be achieved on the third day after germination. By this method, an average false negative rate of 2% and false positive rate of 9% was achieved. Therefore, the methods presented in this research allow efficient and non‐transgenic selection of haploid embryos that is simple and effective.

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Effect of Certain Plant Hormones and Colchicine on the Growth and Respiration of Virus Tumor Tissue From Rumex Acetosa

Nickell

1950

American J of Botany

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Cytological Basis of Killing Plant Tumors by Colchicine

Cited by 7 publications

References 0 publications

Gross Morphological and Cytological Effects of Nitralin on Corn Roots

Gross Morphological and Cytological Effects of Nitralin on Corn Roots

Utilization of Reduced Haploid Vigor for Phenomic Discrimination of Haploid and Diploid Maize Seedlings

Effect of Certain Plant Hormones and Colchicine on the Growth and Respiration of Virus Tumor Tissue From Rumex Acetosa

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