Sonja Gevers

6 Questions 2 Answers 0 Followers

Questions related from Sonja Gevers

What spores would these be?

Good day, Please could you help me identify these spores found in wheat roots? The foliar symptoms excipt that of Soil-Borne Wheat mosaic Virus hence I was looking for Polymyxa graminis but...

13 October 2023 2,970 1 View

What fungi or mold is this isolated on pda-C from a wheat leave?

Goo day; Wheat samples were bought into the lab with yellow stripes and mosaic-like symptoms on the leaves. The diseased leaves were sterilized with 1% NaOH and plated out on pda-C. plates were...

23 August 2021 1,838 9 View

What are these round structures found inside Wheat roots?

Good day, please assist me with the following. what are these Round structures found inside Wheat roots? Roots were in KOH Solution overnight and autoclaved for half an hour. Then viewed und a...

11 August 2020 9,067 3 View

How do I make a new standard solution from a given standard solution to keep the concetration of filtrated sample and new standard solutions the same?

Good day, Please may someone assist me with the following: I am using the LAQUA twin Ca2+ meter to measure the Calcium levels in the soil. In order to do that one needs to use CH3COONH4 for the...

15 June 2020 4,130 0 View

Is threre any research done of Polymyxa graminis infecting Maize roots?

Good day, Do you know of any research articles that are written about Polymyxa graminis infecting the roots of Maize? I know there are studies on the P. graminis on Wheat and Barley but I need to...

03 March 2020 9,956 2 View

How to do a complete randomized block design on JMP ?

Good day. I need to do a statical analysis of my results. The research experiment was to determine disease severity, disease incidence and the number of root galls on potatoes. The Trial had 30...

04 October 2019 4,895 0 View