haustorium


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Related to haustorium: Appressorium, haustorial

haustorium

[hȯ′stȯr·ē·əm]
(botany)
An outgrowth of certain parasitic plants which serves to absorb food from the host.
Food-absorbing cell of the embryo sac in nonparasitic plants.
References in periodicals archive ?
Localized hormone fluxes and early haustorium development in the hemi-parasitic plant Triphysaria versicolor.
This process was followed by a reduction of the haustorium, which atrophies and tends to detach from the cotyledonary petiole (Figure 2C).
Data on percentage of germination, growth, and haustorium initiation were calculated for each treatment.
Preservation for extended periods in 95 % ethanol, as these specimens had been, results in host insects becoming stiff and brittle, and as a result, it was not possible to extract the penetrating haustorium intact.
Of the eight bacteria tested only three (G7, Azotobacter and G8) affected significant inhibition of haustorium initiation in response to DMBQ in comparison to the corresponding nutrient broth control.
The haustorium and the chemistry of host recognition in parasitic angiosperms.
In all parasitic plants, the haustorium is the organ which makes physical and physiological bridge between the parasite and the host plant [28].
Mode of attachment, haustorium structure, and hosts of Pedicularis canadensis.
brasilense were the most suppressive to haustorium initiation on both sorghum cultivars (Fig 3 and 4).
Water, nitrogen, fixed carbon compounds, and minerals are moved unidirectionally from host to parasite through a physical connection, the haustorium (Stewart and Press 1990, Seel et al.
IAA suppresses haustorium initiation, while cytokinines induce haustorium initiation and shoot development [11].