It can be fun to breed your own zinnias
maineman
16 years ago
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jackier_gardener
16 years agolast modified: 9 years agomaineman
16 years agolast modified: 9 years agoRelated Discussions
It can be fun to breed your own zinnias - Part 47
Comments (115)Hi Four, This is an older message thread (Part 47, while Part 51 is current) but I will respond anyway. Yes, in your B photo, the pollen florets are maturing and setting seeds and they probably no longer have nectar for butterflies, so you could could remove that bloom if feeding butterflies is your primary motivation. In your C photo it isn't crucial where on the stem you make the cut.. I would cut down lower on the stem because there isn't any significant advantage to leaving a lot of bare stem on your plant. If you want to make further comments, it would be better to add them to Part 51, which has only 21 comments, while this Part 47 now has well over 100 comments. ZM...See MoreIt can be fun to breed your own zinnias - Part 49
Comments (102)Hello everyone, Well, we did get that expected rain. It came with some winds, but I don't see any obvious wind damage. It is now comfortably cool outside, but very wet. I will shuck zinnia seeds indoors until things dry off a bit. This is one of those current narrow petaled specimens.The tubes are light colored, but unfortunately not white. This is a closer look at some of the petal ends.There is actually quite a bit of variation in the end-of-petal "flare". That suggests that the flares may be partially developmental rather than genetic. The embryo inside the green seed at the base of each petal would be genetically different if it had been fertilized by a pollen grain, either from this plant or from a different one, because it would have been produced by the cellular process known as meiosis, which recombines the genes. In the more likely probability that the embryos are not fertilized at this stage, the cells in the petal flares are produced by mitosis and are genetically the same as the cells in other parts of the bloom, so the variations in the petal-end flares would be developmental and not genetic. Which raises questions as to which of the many variations we see in zinnias are developmental and not genetic. At some time during the coming Winter I hope to purchase a stereo microscope with a camera mount, so that I can take micro-photographs of some of my indoor zinnias. It will not be capable of seeing chromosomes (that takes a serious high-power laboratory grade microscope), but it will hopefully be capable of seeing details like leaf stomata or leaf hairs, from which you can hopefully deduce whether the plant is diploid or tetraploid. That is because I want to develop the capability of producing some triploid zinnias, and to do that it is almost a requirement that I be able to determine the "ploidy" of a zinnia by observation. And the microscope will let me study and photograph my zinnias in more detail. I continue to see little creatures that I refer to as "micro insects". I am curious about them. More later. Namaste. ZM...See MoreIt can be fun to breed your own zinnias - Part 51
Comments (146)OK this is good stuff ZM. I was at first blush ignoring features, instead focusing on learning mechanisms,,BUT as you wisely allude, they are one in the same, to wit: the cone IS the floret factory. And while I am aesthetically SO not a conehead fan (at least at this hour), it is so very helpful to understand that this despisable (to me) "tumor" on top of this delicate flower is indeed part of the whole operation. OK OK learning slow but sure. So now I can emesh some aesthetic thinking in my mechanical procedures. On that score, this very morning, my first breached green seed sprouted (seven days and nights I've been sweating), but doggone it I believe it is happening. I've got two rows of breach tests going on, one barely nicked, and two days ago a much more agressive scalping to see if I observe germination differernces. My first hybrid attemp is in day 17 of finished pollinating, will hold off another week to ten days to start pulling./breaching/planting seeds. Woo hoo, more fun than a barrel of politicians. John, appreciatively Low mountains Veracruz PS The colored petals in your foto are indeed gorgeous, undeniably. I also think that Zowie thing is particularly disgusting, but that's just me....See MoreIt can be fun to breed your own zinnias - Part 54
Comments (112)Hello Fred, " ...is there a good way to separate out viable seeds to keep and discard those that look like they won't germinate? I'm just yanking out a dozen petals and pinching them, discarding the thinnest ones. And the florets seeds look quite different, thinner, and many look like they can't possibly germinate. " Good question. There is a learning curve here, but you can gently squeeze a green zinnia seed between your thumb and forefinger to "feel" the embryo inside the seed. Seeds with undeveloped embryos will feel flat and empty. The embryo is not really a seed within a seed, but it feels a little like that. The embryo is actually just the baby plant with a pair of tiny cotyledons (seed leaves) and a tap root stub. As an experiment, you can remove the embryo from a green seed and plant just the embryo. I once planted a whole flat of embryos. This is a photo of some viable green seeds that have been dried, which turns them brown. This is a photo of some chaff with mostly floret seeds. This is a photo of some fairly freshly picked green seeds. The green seed technique has been invaluable to me in my zinnia project. I learned it from Jackie_R in a much earlier part of this "It can be fun" message series. ZM...See Morejackier_gardener
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16 years agolast modified: 9 years agomaineman
16 years agolast modified: 9 years agojackier_gardener
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16 years agolast modified: 9 years agomaineman
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16 years agolast modified: 9 years agojackier_gardener
16 years agolast modified: 9 years agomaineman
16 years agolast modified: 9 years agojackier_gardener
16 years agolast modified: 9 years agomaineman
16 years agolast modified: 9 years agojackier_gardener
16 years agolast modified: 9 years agomaineman
16 years agolast modified: 9 years agojackier_gardener
16 years agolast modified: 9 years agomaineman
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16 years agolast modified: 9 years agojackier_gardener
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16 years agolast modified: 9 years agomaineman
16 years agolast modified: 9 years agomaineman
16 years agolast modified: 9 years agomaineman
16 years agolast modified: 9 years agomaineman
16 years agolast modified: 9 years agomaineman
16 years agolast modified: 9 years agomaineman
16 years agolast modified: 9 years agomaineman
16 years agolast modified: 9 years agomaineman
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