Rosa Sinensis X Syriacus Hybrid (dwarfed)
twizzlestick
12 years ago
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Dustin Rae
2 years agoDustin Rae
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Hybridizing Impatiens/Hibiscus
Comments (9)Brian, I once read an article on some difficulties with Hibiscus breeding, but don't have the source. As I recall, some species of the Hibiscus rosa-sinensis group are native to islands of very different chemical constitution. A volcanic island, for example, is very different from a coral atoll. The micronutrient (trace mineral) requirements vary among the species -- each adapting to whatever is available on its native island. The upshot is that hybrid progeny can segregate for micronutrient requirements, which means that some will be fertile while others are sterile if the essential nutrient is not available. William Herbert, in the mid-19th century, observed that fertility/sterility of hybrids seemed to have more to do with the similarity/difference of native habitat than with the apparent affinity of the species. That is, two aquatic species are more likely to produce fertile hybrid offspring than an aquatic and a xerophytic species. By the way, intergeneric hybrids in the Malvaceae are known. I have a report on a hybrid of cotton (Gossypium sp.) and Alcea rosea that resulted in an early maturing strain of cotton. I once pollinated okra (Hibiscus esculentus) by a garden form of H. rosa-sinensis and got seeds. Unfortunately, I lost the seeds when I moved from Florida to California, and have not repeated the experiment. Karl...See MoreHibiscus hybridizing
Comments (4)Hello Gardeniarose and Farmfreedom, When conditions are right you do not have to use a bag. However, I agree a bag increases your chances, but if using plastic bags and the sun is out, be careful of not cooking the staminal column and pads. I have found aluminium foil, very carefully wrapped around the upper staminal column and stigma pads, does the job just as well and is able to reflect heat if the sun comes out. Other species compatible with Rosa Sinesis are H.Lilliflorous, H.Arnotiannus, H.Waimea, H.Fragilis, H.Nasali(possible species), H.Cuban Variety (possible species) and a few others - names elude me, but I do know the Mallow species are not compatible and Syriacus is said to be in one book, but not in others. I have tried this cross and it will not take with Rosa Sinesis. Much more info is available on Hybridizing Hibiscus on other sites specific to hibiscus. Otherwise I'll try to help here if you have further queries. Happy hybridizing. Regards, Brian Kerr....See MoreWhat Exactly IS Hybridizing?
Comments (1)Sure, they're both hybrids. The first generation of any cross, even if the parents differ by only one gene, can technically be called a hybrid, but what hybridizers usually look for is the increased vigor and combinations of traits that come about from crosses of more dissimilar parents....See MoreList of Plants you grow in the Ohio Valley
Comments (4)Wow, that's a lot of plants! I don't have a list of what I'm growing in my little gardens -- sometimes it takes me a couple of weeks in the spring to realize that that weird looking weed in the corner is something I've had for years. I just assume that more plants than not will grow in this area! One of the more unusual plants I grow is agapanthus. Not a particularly hardy variety, this was simply a florists' plant my mother gave me four years ago. But it's come up reliably every year for the past three seasons in Central Ohio. It's planted against a south-facing brick wall with excellent drainage, and apparently doesn't realize it's not in zone 8+ anymore! One of my mother's more spectacular plants is a 15 year old calamondin orange that arrived as a little "get-well" houseplant. It spends the winter on the unheated glassed in back porch in Cincinnati, and now stands over 6' tall in the pot, and is nearly 4' around. It always has flowers and fruit on it, and we've picked 200 ripe fruits at one time....See MoreDustin Rae
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