Results 241 to 250 of about 58,260 (263)
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Mechanism of in vitro gall induction inZizyphus jujuba Lamk.
Experientia, 1976Zizyphus jujuba Lamk. stem galls incited byEriophyes cernuus Massee were induced aseptically on stem segments cultured on auxin and kinetin-free modifiedMurashige andSkoog's nutrient medium by 1. gall callus graft, 2. gall tissue extract and 3. incorporation of NAA into the medium.
P. Tandon, G. S. Vyas, H. C. Arya
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The Molecular Basis of Crown Gall Induction
1982Publisher Summary This chapter discusses the molecular basis of crown gall induction. The neoplastic plant disease—crown gall—is caused by a bacterium. Once the disease is induced, the bacteria are no longer required for continued growth of the gall. Crown gall disease is characterized by the production of galls on plant roots.
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Thrips and gall induction: a search for patterns
1994Abstract Thrips suck the contents of individual cells one at a time, and in some plants the surrounding cells react by redeveloping meristematic characteristics leading to gall production. Plant reactions vary in their degree of complexity, from simple leaf curling and distortion to complex multicellular structures of regular form. These
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Induction and Culture of Crown-gall Tumours of Haploid Tobacco in vitro
Biochemie Und Physiologie Der Pflanzen, 1976Summary The technique of induction and isolation of crown-gall tumours in anther-derived haploid Nicotiana tabacum hosts in sterile culture conditions was developed. The conditions for sterilisation of tumours for their transfer to tissue cultures were found. When following the tumour phenotype stability, characteristic phenovariants with different
B. Vyskot, M. Bezděk, Z. Karpfel
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Entomologia Experimentalis et Applicata, 2009
AbstractThree major hypotheses have been advanced for the adaptive nature of plant galls: nutrition, enemy‐avoidance, and microenvironment. Of these, the microenvironment hypothesis has been frequently invoked, but rarely tested directly. We tested this hypothesis in a population of Andricus quercuscalifornicus (Bassett) (Hymenoptera: Cynipidae) wasps ...
Donald G. Miller +2 more
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AbstractThree major hypotheses have been advanced for the adaptive nature of plant galls: nutrition, enemy‐avoidance, and microenvironment. Of these, the microenvironment hypothesis has been frequently invoked, but rarely tested directly. We tested this hypothesis in a population of Andricus quercuscalifornicus (Bassett) (Hymenoptera: Cynipidae) wasps ...
Donald G. Miller +2 more
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Soluble proteins and hydrolases during crown-gall induction in the tomato,Lycopersicon esculentum
The Histochemical Journal, 1976Soluble proteins isolated from tissues of the tomato Lycopersicon esculentum, after inoculation with Agrobacterium tumefaciens to induce tumours, have been examined by gel electrophoresis and cytochemically. Changes that occur include the suppression of host enzymes, the appearance of bacterial enzymes in the host tissues and the appearance of new ...
K M, Sheikh, P B, Gahan
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Studies on the salivary physiology of plant-bugs: Experimental induction of galls
Journal of Insect Physiology, 1968Abstract The formation of nodules on the roots of vines grown in aqueous solutions is shown to be an inadequate test for hypotheses of cecidogenesis by Hemiptera. 14C-labelled precursors were used to demonstrate the production of the plant growth hormone, 3-indoleacetic acid, during salivation of a plant-bug; and a normally non-cecidogenic bug was ...
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Induction of crown gall by nitrosoguanidine-treated Agrobacterium tumefaciens
Mutation Research, 1973C H, Davis, R H, Rothman
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A Possible Role of Indoleacetic Acid Oxidase in Crown Gall Tumour Induction
Nature, 1959THE necessity of auxin for the transformation of incipient tumour cells to fully altered tumour cells has been demonstrated by Braun and Laskaris1 and by Klein and Link2. Both groups demonstrated that decapitated plants inoculated with an avirulent strain of Agrobacterium tumefaciens would develop crown gall tumours if their cut surfaces were smeared ...
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