Yes Pat, Cameo is a great apple! Its a classic example of the right apple for the right location but if grown in the mass growing areas of too much heat the flavor and texture will suffer but they will still go to market and the customer will get bad apple eating experience. Ambrosia is another good example of this. You just have to know where your apples came from. Which of course the average shopper doesn't.
As to breeding, I had the privilege of being part of a breeding program at WSU Mt Vernon REU in the mid 1990's. We were not funded for this but my supervisor just took the initiative and made it happen. I didn't really think much of it at the time, still young and impatient, but in retrospect I can see how interesting and important it was. Thinking covertly we enlarged our rootstock nursery to an acre and here we planted seeds we collected from apples we shook from a row of Prima trees that was bordering a row of Alkmene trees. This was all very tedious, thank goodness for temp and volunteer help. What we ended up with was thousands and thousands of trees. I cant remember the exact amount but it was many thousands.
These trees were only a few inches apart but by the second year it was time to start culling. Some trees were unhealthy, weak. Some trees looked more like a rootstock. Since Alkmene is a week grower by nature we were ultimately hoping for a stronger growing version, scab resistant, same flavor qualities of Alkmene, eating apple. By 3rd year and heavy blooming we could heavily cull trees that had not grown much or bloomed yet. In subsequent years it was easy to cull for scab and as the trees fruited, cull out the ones with tiny fruit (a lot of those). I cant remember how long the project took, I worked through 2000 then off and on special projects through 2005. It was tedious but interesting times. My partner and I would collect data on the trees several times a year. She would sit on the RV and I would yell out numbers for her to record. As time went on it became clear that we were not going to get lucky with an eating apple. All the eating size apples had problems.
What we did notice, however was 1 small, very colorful apple that was, so far, scab immune. This apple had a wonderful crabapple flavor, not so over powering that you couldn't just eat it raw. Upon testing it had the expected very high pectin but also nice tannin, bitter, astringent. As it turned out this was the only apple to come out of this breeding trial. I think though that we were lucky to get anything. It took WSU forever to name the apple then they changed the name a couple of times as is pretty common with new varieties. I know Raintree Nursery sells the trees as Puget Spice.
I, of course, have had trees of them for many years and use them for a source of organic pectin, hard cider blending, and of course all the usual culinary crab uses.
Leslie Price
Jones Creek Farms
skagitvalleyfruit.com
Lyman, WA
zone 8a