Geoffrey Onserio Nyamagwa

11 Questions 13 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 5,112 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 7,693 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 5,134 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 5,489 5 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 2,144 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 8,466 34 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 3,903 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 3,559 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 6,428 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 8,519 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 9,787 5 View