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Yug · 10-04-2011, 02:20 AM

Petioles are the portion of the stem between the leaf blade, and the large main psuedostem (the main trunk). "A" genes I think come from Musa acuminata, and "B" genes originate from Musa balbisiana. I think the "A" side lends sweetness to the fruit, and the "B" genes are from more starchy cultivars. Typically, bananas are combinations of sets of genes from parents in the "A" or "B" groups. You may have AA, AB, BB, AAA, AAB, ABB, BBB, and some even have 4 sets of genes. These groups will still have intra-group variations since not all parents that were bred were identical.

My knowledge is limited due to not much experience with bananas; some folks here can explain in far more detail, but I think I've got it right so far.

10-04-2011, 02:20 AM	#5 (permalink)
Yug Yug's Photo Gallery Location: Hawaii Find me on the map! Zone: 10-11 Name: Knobby D. Holme Join Date: Nov 2010 Posts: 1,465 BananaBucks : 57,932 Feedback: 0 / 0% Said "Thanks" 4,009 Times Was Thanked 1,742 Times in 812 Posts Said "Welcome to Bananas" 463 Times	Re: Help With ID Please Petioles are the portion of the stem between the leaf blade, and the large main psuedostem (the main trunk). "A" genes I think come from Musa acuminata, and "B" genes originate from Musa balbisiana. I think the "A" side lends sweetness to the fruit, and the "B" genes are from more starchy cultivars. Typically, bananas are combinations of sets of genes from parents in the "A" or "B" groups. You may have AA, AB, BB, AAA, AAB, ABB, BBB, and some even have 4 sets of genes. These groups will still have intra-group variations since not all parents that were bred were identical. My knowledge is limited due to not much experience with bananas; some folks here can explain in far more detail, but I think I've got it right so far.