How to Grow Tobacco

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 Post subject: How`s this
PostPosted: Fri Nov 30, 2012 6:06 am 
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Joined: Wed Jun 06, 2012 10:16 pm
Posts: 29
Location: VAALWATER SOUTH AFRICA
Found an American Ballworm, eating my American Tobacco, seeds that I got from an American(Bob Deluxstogie) but this is happening down in South Africa :wink:


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 Post subject: Re: How`s this
PostPosted: Fri Nov 30, 2012 9:09 am 
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Joined: Wed Feb 02, 2011 9:51 pm
Posts: 1130
Location: near Blacksburg, VA
Ben,
Post a photo, if you can. The American Bollworm is also know as the Old World Bollworm and African Bollworm.

Wikipedia: http://en.wikipedia.org/wiki/Helicoverpa_armigera

Although the egg size is similar to the size of tobacco seed (~500 microns), the eggs hatch over a period of days, and would be gone from the seed pods long before the pods have dried. Also, affected tobacco seed pods display an obvious entry hole (looks like it was shot with a BB), making it fairly easy to discard affected pods.

Bob


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 Post subject: Re: How`s this
PostPosted: Fri Nov 30, 2012 9:29 am 
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Joined: Sun Feb 26, 2012 9:14 pm
Posts: 68
Location: South West Ohio
Bob,
Are the holes in the seed pod made on entry or exit of the insect. I found holes in some of my Burley 21 pods, but it was late in the season when I started finding them.
Didn't know what they were. or when it happened, (green pod or dry).

Thanks Bob,
Chris...


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 Post subject: Re: How`s this
PostPosted: Sat Dec 01, 2012 10:13 am 
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Joined: Wed Feb 02, 2011 9:51 pm
Posts: 1130
Location: near Blacksburg, VA
My experience is with budworms. The moth generally lays eggs on leaf surfaces, but may also lay them occasionally on buds or blossoms. If the larva emerges near the top of the plant, it preferentially feeds on the buds. The holes in the pods can be entry or exit holes, since the larvae go through a number of growth stages before dropping to the ground to pupate. They overwinter in the soil.

Bob


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 Post subject: Re: How`s this
PostPosted: Sat Dec 01, 2012 10:38 am 
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Joined: Sun Feb 26, 2012 9:14 pm
Posts: 68
Location: South West Ohio
Thank you very much Bob.


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