[MassChestnutOrchards] Successful planting at South Kingstown, RI 4/17

[Fred Hebard]

Yvonne,

Yes, you can mix B3s and B4s, as long as they're from the same source  
of blight resistance, at either the straight B3/B4 level or as B3-F2s/ 
B4-F2s.  Of course you also don't want to be mixing the straight  
backcrosses with the backcross F2s, nor the backcross F3s with F2s, etc.

Fred

On Apr 19, 2010, at 10:50 AM, Yvonne Federowicz wrote:

> Hi Kendra,
>
> Paul Sisco had contacted Fred, and said that both Nanking lines are  
> BC4s. We
> were sending some of the extra BC(X) nuts down for Phytophthora  
> testing, and
> Paul discovered the lineages from Fred.
>
> Does Charlotte have a complete listing of which are BC3 vs BC4?   
> Does it
> affect what seed orchard the trees' progeny would go into?  E.g.  
> Can you put
> Clapper BC4F2s in the same seed orchard as Clapper BC3F2s?
>
> Thanks, Yvonne
>
>
> Emails from Paul:
> ----
>
> East Greenwich, RI_1 x JB178  is also a Nanking BC4 family,  
> according to
> Fred Hebard.
>
> Paul
>
> ----
>
> Yvonne,
>
> I’m not sure what you had in your records, but this is a BC4 family  
> of seed.
>
> Exeter, RI x Cy483      BC4    Nanking
>
> Thanks for helping us with this.
>
> Paul
>
>
>
>
> On 4/19/10 10:29 AM, "Kendra Gurney" <kendra at acf.org> wrote:
>
>> Hi Yvonne -
>>
>> To clarify, which lines were planted in SKLT?  I have all the  
>> Nanking lines
>> from 2009 pollination as BC2's and BC3's in my records.  The  
>> Clapper and
>> Graves lines you guys did last year should all be BC4's but if the  
>> Nanking
>> lines are also BC4 I need to talk to Fred and get an updated  
>> pollen list.
>>
>> Thanks -
>>
>> Kendra
>>
>> ----
>> Kendra Gurney
>> 802.999.8706 (cell)
>>
>>
>> -----Original Message-----
>> From: masschestnutorchards-bounces at masschestnut.org
>> [mailto:masschestnutorchards-bounces at masschestnut.org] On Behalf Of
>> Federowicz, Yvonne Marie
>> Sent: Sunday, April 18, 2010 7:55 PM
>> To: masschestnutorchards at masschestnut.org
>> Subject: Re: [MassChestnutOrchards] Successful planting at South  
>> Kingstown,
>> RI 4/17
>>
>>
>> Yes, we thought they were BC3s until just last week or so, when  
>> one of the
>> national science staff mentioned they are BC4s.  It doesn't affect  
>> our
>> treatment of the nuts; it's a good thing in that they are more  
>> advanced
>> hybrids - more "American", but they should have the same resistance
>> potential.
>>
>> -----Original Message-----
>> From: masschestnutorchards-bounces at masschestnut.org on behalf of  
>> Rudolph A
>> Hempe
>> Sent: Sun 4/18/2010 4:19 PM
>> To: masschestnutorchards at masschestnut.org
>> Cc: Gordon Jones
>> Subject: Re: [MassChestnutOrchards] Successful planting at South
>> Kingstown,RI   4/17
>>
>> I guess we better revise our planting chart. We have them as  
>> Backcross 3s.
>>
>> Rudi
>> ----- Original Message -----
>> From: "Federowicz, Yvonne Marie" <Yvonne_Federowicz at brown.edu>
>> To: <masschestnutorchards at masschestnut.org>
>> Sent: Sunday, April 18, 2010 3:31 PM
>> Subject: [MassChestnutOrchards] Successful planting at South  
>> Kingstown,RI
>> 4/17
>>
>>
>>>
>>> Hello,
>>>
>>> The U.R.I. Master Gardeners and South Kingstown Land Trust, along  
>>> with
>>> a few other volunteers, planted two lines of Nanking BC4 nuts  
>>> yesterday.
>>> The drizzle cooperatively didn't turn into a downpour, and the 18
>>> volunteers finished the planting by noon.
>>>
>>> About 220 nuts were planted in Bluexes, with 90 backups in "milk  
>>> cartons".
>>>
>>> It's a wonderfully capable group down there - great job, folks!
>>> _______________________________________________
>>> MassChestnutOrchards mailing list
>>> MassChestnutOrchards at masschestnut.org
>>> http://mrsgale.fates.org/mailman/listinfo/masschestnutorchards
>>
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>
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