blue stain


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blue stain

[′blü ‚stān]
(plant pathology)
A bluish stain of the sapwood of many trees that is caused by several fungi, especially of the genera Fusarium, Ceratostomella, and Penicillium.

blue stain

A dark stain in the sapwood of some species of trees, usually caused by a fungus; it does not weaken the wood; also called sap stain.
References in periodicals archive ?
5ml, dye was injected over macula under BSS which resulted in light blue stain of ILM and peeling was performed around hole in circular motion with the help of ILM peeling forceps via pinch and squeeze method.
In terms of blue stain, the Ophiostoma isolated created a deep blue color on P.
Selection of developmentally competent immature equine oocytes with brilliant cresyl blue stain prior to in vitro maturation with equine growth hormone.
A, Periodic acid-Schiff/Alcian blue stain demonstrates the absence of an apical mucin cap; there is patchy periodic acid-Schiff staining in the cytoplasm.
One of the products that was most interesting to the Asian delegation visiting the company's showroom was the beetle-killed blue stain pine.
With all the bug kill in the West, there's a good market for wood from this area to go into Japan because it's bright, white, no blue stain, and it really has a high-end appearance grade.
We want people to use the name Rocky Mountain blue stain instead of beetle-kill pine for obvious reasons.
The presence of urine in the tested fluid, however, reverses the initial blue stain back to yellow.