Geoffrey Onserio Nyamagwa

13 Questions 14 Answers 0 Followers

Questions related from Geoffrey Onserio Nyamagwa

What are the international standards of a microbiology laboratory for production of biopesticides?

i could like to know if there are any international standards for a microbiology laboratory for production of bio pesticides.

26 August 2019 5,118 3 View

What are the micro-elements/inorganic elements required in mass production of beauveria bassiana?

In order to obtain optimal production of Beauveria bassiana i could like to know apart from the hydrated media and broth , what other inorganic elements and on what proportion one is supposed to...

23 August 2019 7,704 3 View

What causes sudden curling and yellowing of shoots leaves in roses?

After application of organo-silicone (drench) and sulphur-gold there was a sudden yellowing of the young leaves (shoot) which also curled. What might have led to this. Please advice. Or could it...

01 March 2017 5,142 5 View

How can one control beetles feeding on red spider mites?

In rearing of phytoselius persimilis i came across a black beetle like insect that feeds on red spider mites (T. urticae) that i use to feed the P. persimilis... How can i control the beetle can...

28 July 2016 5,493 5 View

Where can i find the following sold as pure products Thyreophagus entomophagus and Tyrophagus putrescentiae?

I am currently looking for pure products of Tyrophagus putrescentiae and thyreophagus entomophagus as pure products.

28 July 2016 5,286 6 View

What is the best approach to use when one wants to change from dependency of chemicals to use biological controls/ bio-pesticides?

I could like to know the method that i could use to change from using chemical pesticides to use of biological controls without necessarily causing an epidemic. I need to make a smooth transition....

11 December 2015 2,148 11 View

Is there any effect if I mix two biological controls together so as to make a single spray programme instead of separate spray programmes?

i could like to know if i mix two different biological controls together for instance trichoderma /metarhizium or beauveria bassiana/ metarhizium or a bacteria and fungi such as...

30 November 2015 8,468 34 View

Does exposure to microbiological media and stains have health related issues?

What about exposure to the biological control fungi and bacteria? I could like to know any impact exposure to these media and stains may have to the health of a person. In case of any how can one...

18 November 2015 2,462 6 View

How can breed the predatory mite hypoaspis in the lab?

If I was to breed the mite hypoaspis in the lab which media should I use?

28 October 2015 3,905 7 View

Is there any effect of pot ash on pseudomonas fluorscens if the two are applied together simultaneously?

I am working in the production of the above agricultural products but read some item that potash has a negative effects on beneficial bacteria in the soil. I would like to know if it has the same...

16 October 2015 3,562 2 View

What is the role of yeast in liquid production of metarhizium anisopliae?

During production of bio-control agents such as metarhizium, trichoderma, there is addition of yeast which forms a major contamint at the end.Why is it added and it is not anaerobic fermentation...

15 October 2015 6,430 4 View

Which method can one use to identify metarhizium strain easily and how can it be isolated frm soil and be certain it's metarhizium?

i need to know how can one identify metarhizium easily and if there is a method to know even the strain. and how can one isolate it from the soil and be certain that its the one and not any other...

07 August 2015 8,523 1 View

How can one do liquid production or solid production of trichoderma harzianum how do we go about it in mass production?

tell me abou the pre-inocular preparation and the broth to use in liquid production and the grains to use for solid production to have more spores.

14 July 2015 9,797 5 View