Acorn shape and size variations within species
hairmetal4ever
8 years ago
last modified: 8 years ago
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hairmetal4ever
8 years agogardener365
8 years agoRelated Discussions
A Tale of Two Climates; variation in rose blooms
Comments (10)My chameleon is Martha Gonzales. My aunt & I both grew this rose from ARE for many years. In the coastal zone 9 climate it was hot & humid, the water was somewhat alkaline & hard, the soil was rich black "gumbo" clay. Cuttings rooted from both plants matured to resemble the mother plants. It grew as a typical China, but the flowers were especially small. Bright red, just a bit more than single, quilled petals, white centers with occasional white petal streak, very little scent, lots of blooms, constantly. You could tell MG all over town from the distinctive little starry bright red, white-centered flowers. And even big mature plants tended to have dainty little smooth leaves. I hauled up 2 young plants I personally rooted from cuttings. This is a deserty area, alkaline limestone & caliche soil, alkaline water. Cool nights most of the year. One MG is throwing cupped near double blooms this year, much bluer color & they have a fair fragrance. Last year she threw the big, near-single, flat open, cherry red MG blooms you see in most photos. So did the 2nd plant. Both have "normal" sized rose leaves, not the little ones typical of the old zone. This year the other plant has scores of dark--more bluish blooms. Nearly single, but so dark you'd think this is a Dr. Huey. The petals stay a bit cupped, not the flat-open blooms of last year. Mild to no fragrance, still see a bit of white petal streaking but the white eye is very reduced. Nether plant quills its petals, which was so distinctive in the old climate. The two bushes look like different varieties, now--neither resembling the original plants grown for so long in hot sultry zone 9. I asked Michael Shoup about it & he said they noticed some variation especially in cool night areas. It surprised me because I am SURE of the provenance of both plants, they are planted in the same area, were planted within a very short time of each other, and I had grown the mother plants of both for many years in a very different climate & soil....See MoreAcorn to Acorns ?
Comments (23)If I sow a flat of acorns (even small ones like palustris) (30 seeds) I will usually have three or more that are of size to graft onto the following year. Of course they aren't whopping seedlings but they are near pencil thickness. The others may take one more year or two more years to catch up. It's genetic diversity... the strong and the weak. Adding to that, what a tree is pollinated with also improves or diminishes the the seed being produced. I'll be brief but if a Quercus rubra pollinated a Quercus palustris (Red oak and Pin oak) and if another pollen parent also got into the mix such as another smaller acorn in the Red oak family - giving two types of pollen to one tree, there will be varying levels of outcome of the seed produced. It's never a perfect equation where possibly Quercus rubra being larger gave it's pollen to the smaller Quercus palustris - but it is possible the seedling produced may make a faster plant with a larger "seed parent plant." Adding to that, the south and west side of trees get more sun and that results in a better seed being produced. I could show you how these relationships effect pecans. It's very noticeable and I will just leave it at that. Dax...See MoreGrafted or grown from acorn, Q. Rubra, Q. Macrocarpa or Q. Shumardii
Comments (6)I'd go with Macrocarpa. It likes alkaline soil, is recommended for your area, and as a White Oak Group oak is resistant to Oak Wilt. Probably the slowest growing and worst fall color, though. Be sure to mention alkaline soil in your posts...that is the big fly in the ointment. Actually, you should test the PH of your soil. Northern Red Oak grows fastest, may have decent Fall color, and takes best to being transplanted, but might have trouble with chlorosis. If I could find it I'd go with seed grown. Grafting just creates more opportunities for the nursery to botch things. They could pick an unsuitable tree for the root stock, often the rootstock is root bound, there is confusion as to whether to bury the graft. I'd only buy grafted if it was a special cultivar or something. Personally, I kind of like potted trees. They give me more planting time flexibility. I can buy them when I see a sale and plant them when I have a weekend free. I buy small trees, though. And many disagree with me. It's partly a matter of how much you trust the nursery...potted trees create more opportunities for the nursery to botch things. They can become pot bound. Lots of Q Rubra near me are only just starting to leaf out, with tiny leaves the size of dimes. A few haven't leafed out at all. We had an unusually cool Spring, though....See Moregiant acorn???
Comments (9)I suspect bur oak, as well, but it could be a hybrid of bur with another member of the white oak group. There is wide variation in bur oak - both in leaves, corkiness of bark, and in acorns. I have seedlings in my collection from south TX to Manitoba... acorns range in size from >100/lb to 6/lb (yes, that's six per pound); caps may almost completely enclose the acorn or not... and I have seen some that had virtually no 'fringe' on their cap while others are so 'frilly' that you can barely see the acorn hidden in there....See Morehairmetal4ever
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