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| Hi guys/gals I am quiet interested how exactly do people develop low-chill variety fruiting plants? I tried searching the internet pretty hard and there seem to be nothing that explains this!
I would love to experiment on developing my own lower-chill varieties of fruiting plants! For example currant/gooseberry/cherry. Does this involve constantly re-grafting buds/sticks or to a low-chill variety plant or slowly reducing chill hours every year? What exactly defines/determines the chilling hours of a plant? Is this requirement embedded in the roots or main wood and branches? I know our climate does change very gradually over very extended period of time so the plants have to adopt some-how and I'm trying to understand exactly how and how to employ this process for my benefit. I know this should be possible since plant propagators do develop low-chill Peaches(University of Florida)/Cherries(Dave Wilson) with a certain process, and I want to know the process/different ways to do it :D. Any books or links, advice, or info will be greatly appreciated! Thanks in advance! |
Follow-Up Postings:
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| It's not an adaptation; it's part of the genetics of the plant. You don't make a tree into a low-chill cultivar, you select/breed an individual for that characteristic. On grafted trees (apples, etc) it's a function of the scion, not the rootstock. |
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| My last sentence above is not really correct. I should have said: On grafted trees, chilling requirements are primarily a function of the scion, but also influenced to various degrees by the rootstock. Proper selection of rootstock is an important factor in fruit-tree production for tropical areas. |
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