Betekenis van:
vascular tissue

Voorbeeldzinnen

1. Carefully cut out a small core of vascular tissue at the heel end and keep the amount of non-vascular tissue to a minimum.
2. Streaming test for bacterial ooze from vascular stem tissue is described in Section VI.A.1.
3. Carefully cut out a small core of vascular tissue at the heel end and keep the amount of non-vascular tissue to a minimum. (see web site http://forum.europa.eu.int/Public/irc/sanco/Home/main).
4. Carefully cut out a small core of vascular tissue at the heel end and keep the amount of non-vascular tissue to a minimum (see web site: http://forum.europa.eu.int/Public/irc/sanco/Home/main)
5. As the infection progresses, destruction of the vascular tissue occurs; the outer cortex may become separated from the inner cortex.
6. Remove ooze or sections of discoloured tissue from the vascular ring in the potato tuber or from the vascular strands in stems of potato, tomato or other wilting host plants.
7. Remove with a clean and disinfected scalpel or vegetable knife the skin at the heel end of each tuber so that the vascular tissue becomes visible.
8. Browning of the vascular tissue may develop and tuber symptoms at this stage are similar to those of brown rot caused by Ralstonia solanacearum.
9. The earliest symptoms are a slight glassiness or translucence of the tissue without softening around the vascular system, particularly near the heel end.
10. The vascular tissue of transversely cut stems from wilted plants usually appears brown and a milky bacterial ooze exudes from the cut surface or can be expressed by squeezing.
11. Remove ooze or sections of discoloured tissue from the vascular ring in the potato tuber or from the vascular strands in stems of potato, tomato or other wilting host plants. Suspend in a small volume of sterile distilled water or 50mM phosphate buffer (Appendix 4) and leave for 5 to 10 minutes.
12. It involves a rapid screening test, isolation of the pathogen from infected vascular tissue on (selective) medium and, in case of a positive result, identification of the culture as Ralstonia solanacearum.
13. It involves a rapid screening test, isolation of the pathogen from infected vascular tissue on diagnostic media and, in case of a positive result, identification of the culture as C. m. subsp. sepedonicus.
14. For description of symptoms see Section II.1. (2) Rapid diagnostic tests facilitate presumptive diagnosis but are not essential. A negative result does not always guarantee absence of the pathogen. (3) Streaming test for bacterial ooze from vascular stem tissue is described in Section VI.A.1.
15. It involves a rapid screening test, isolation of the pathogen from infected vascular tissue on diagnostic media and, in case of a positive result, identification of the culture as C. m. subsp. sepedonicus. potato tuber(s) or potato plant(s) with symptoms