Results 141 to 150 of about 1,851 (170)

Anatomical Studies of Haustorium Ontogeny and the Remarkable Mode of Penetration of the Haustorium inNuytsiafloribunda(Labill.) R. Br.

Botanica Acta, 1989
AbstractThe development and structure of secondary haustoria ofNuytsia floribundaare described and compared with other Santalalean haustoria.After establishing contact with the host root, cortical folds of the haustorium grow around the root in separate directions and fuse forming a ring around it.
Christine Beyer, W. Forstreuter, H. Chr Weber   +2 more
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The structure and development of the haustorium in parasitic Scrophulariaceae*

Botanical Journal of the Linnean Society, 1975
The structure and development of roots and haustoria in 37 species of parasitic Scrophulariaceae was studied using light microscopy. The mature haustorium consists of two regions: the swollen “body” and the parent root, which resembles non-haustorial roots in structure. The body arises from the parent root and is composed of an epidermis, cortex,
LYTTON J. MUSSELMAN, WILLIAM C. DICKISON
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Anatomy of the haustorium of Jodina rhombifolia (Santalaceae)

Nordic Journal of Botany, 2004
The structure of the haustorium of Jodina rhombifolia in material from Argentina was analysed. Self‐haustoria and interespeciñc haustoria, the latter on Celtis tala and Scutia buxifolia , were detected.
María Luján Luna, Gabriela Elena Giudice   +1 more
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Phloem in the haustorium of Castilleja (Scrophulariaceae)

Canadian Journal of Botany, 1971
This note documents for the first time the presence of phloem in the haustorium of Castilleja sulphurea Rydb. From electron microscope studies the phloem was found to occur in the internal portion of the endophyte and on the periphery adjacent to cortical cells of the host.
Job Kuijt, David R. Dobbins
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The Host-Haustorium Interface in Powdery Mildews

Australian Journal of Plant Physiology, 1989
The powdery mildew fungi have proven to be a useful model system for studies of the host-parasite interface in biotrophic parasitism. Investigation of the interface has requrred the development of novel experimental approaches, for example the isolation of populations of haustoria in association with other interface components and the chemical and ...
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Permeability of the haustorium-host interface in powdery mildews

Physiological and Molecular Plant Pathology, 1987
Abstract The extent to which uranyl ions and peroxidase permeated haustorial complexes isolated from Pisum sativum infected with Erysiphe pisi was determined by transmission electron microscopy (TEM). Freshly isolated complexes were treated with uranyl acetate, either directly, or after treatment with cell wall degrading enzymes, or with Triton ...
J.L. Gay, J.M. Manners
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EMBRYOLOGY AND DEVELOPMENT OF THE ENDOSPERM HAUSTORIUM OF ARCEUTHOBIUM DOUGLASII

American Journal of Botany, 1965
Arceuthobium douglasii develops a dome‐like structure, the ovarian papilla, in which 2 megasporocytes are formed. The papilla is not a true ovule, for no integuments are formed, and it is forced aside by the developing endosperm. Megasporocytes are differentiated in the spring, but meiosis does not occur until the following spring. A tetrasporic embryo
B. L. Jones, C. C. Gordon
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Functional Structure of the Mature Haustorium

2013
The morphology and functional anatomy of lateral and terminal haustoria are described in this chapter, with emphasis on the patterns of tissue connection with both the host and the parasite, while discussing the possible role of each tissue within the haustorium.
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Haustorium Invasion into Host Tissues

2013
The invasive phase of haustorium development starts when the young haustorium adheres to host roots by means of specialized attachment devices employing adhesive substances. A group of intrusive cells then enzymatically and mechanically penetrate host tissues.
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Transcriptome analysis of mistletoe (Viscum album) haustorium development

Horticulture, Environment, and Biotechnology, 2014
The haustorium is a specific organ for penetration of host tissue in parasitic plants. To better understand the molecular mechanisms of the establishment of host-parasite relationships using gene expression profiles, early stage haustorium germination from mature mistletoe seeds was examined. We have generated a cDNA library that is an excellent source
Suk Min Ko, Yong Kook Kwon, Jong Hyun Kim, In-Ja Song, Hyo-Yeon Lee, Dong-Woog Choi, Jang R. Liu, Suk Weon Kim   +7 more
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