Basic question

yotetrapper · January 19, 2010

What happens when one crosses a determinate to an indeterminate variety?

travis · January 19, 2010

Depends to some degree on the more exact characteristics of the determinate.

If the determinate is a short, stumpy, bushy determinate that yields one large, concentrated set with maybe a few stranglers or a second smaller followup set - you know, those commercial, short stake jobs - then you'd probably get a controlled growth, not so tall, indeterminate that some people refer to as a "semi-indeterminate" meaning one that might get only 5 - 6 feet tall.

If the determinate is one that has dwarf genes lurking within, then you will get an indeterminate with shortened internodes - very useful, in my opinion.

In any case, when crossing indeterminates with determinates, you will get an indeterminate F1 with masked determinate genes that will show up at 25% determinate plants in the F2 generation sprouts.

yotetrapper · January 19, 2010

Thank you! Thats what I wanted to know!

pete · January 19, 2010

That question will be determined indeterminately at a pre-determined later indeterminate date.
I don't know, sorry.

Bama mater · January 19, 2010

Yote, Check out the video on the thread a couple below this one. Tom Wagners talk on basic tomato genetics.

January 19, 2010	#1
yotetrapper Tomatovillian™ Join Date: Dec 2009 Location: Oakland MS Posts: 231	Basic question What happens when one crosses a determinate to an indeterminate variety?

January 19, 2010	#2
travis Tomatovillian™ Join Date: Jan 2006 Location: Evansville, IN Posts: 2,984	Depends to some degree on the more exact characteristics of the determinate. If the determinate is a short, stumpy, bushy determinate that yields one large, concentrated set with maybe a few stranglers or a second smaller followup set - you know, those commercial, short stake jobs - then you'd probably get a controlled growth, not so tall, indeterminate that some people refer to as a "semi-indeterminate" meaning one that might get only 5 - 6 feet tall. If the determinate is one that has dwarf genes lurking within, then you will get an indeterminate with shortened internodes - very useful, in my opinion. In any case, when crossing indeterminates with determinates, you will get an indeterminate F1 with masked determinate genes that will show up at 25% determinate plants in the F2 generation sprouts.

January 19, 2010	#4
pete Tomatovillian™ Join Date: Oct 2009 Location: cincinnati Posts: 202	That question will be determined indeterminately at a pre-determined later indeterminate date. I don't know, sorry.

January 19, 2010	#5
Bama mater Tomatovillian™ Join Date: Apr 2009 Location: Huntsville, AL Posts: 269	Yote, Check out the video on the thread a couple below this one. Tom Wagners talk on basic tomato genetics.