There are actually seeds,its just that they are so tiny we dont notice them really when we eat the grapes !
2006-08-07 12:18:37
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answer #1
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answered by any 4
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How do seedless grapes grow?
Seedless grapes are a special bunch.
All plants -- including grapes -- grow from seeds. But some people prefer to munch on sweet, juicy grapes without biting on seeds too. So, grape breeders (those are people who develop different kinds of grapes) use their plant smarts to grow the seedless varieties.
Grape breeders create new seedless plants by placing the pollen of a seedless grape onto the flowers of a grape variety that has seeds. They then cut open and inspect the fruit of every single plant that grows from this match. The breeders are looking for seeds -- some plants will have seeds in their fruit and others won't.
When they find a plant that has no seeds, or maybe just has very tiny traces of seeds that you wouldn't be able to taste, the grape breeders use it to make more seedless plants. One way is to cut off small pieces of the seedless plant's vine and place it in special growing conditions in a greenhouse. Eventually, the pieces of vine will grow roots and become new, individual plants. This technique is called propagation.
Or, the breeders can graft, or attach, a piece of the seedless grape variety onto a healthy vine base, called a rootstock. Think of it like this: When someone cuts their hand, a doctor sews the cut together, and the two pieces heal as one. The grafted vines grow together the same way. And, the grape variety attached to the rootstock keeps producing delicious seedless grapes.
2006-08-08 01:30:04
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answer #2
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answered by barhud 3
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1) In the lab, technique is called "Plant tissue culture". Using this technique, the plants are cultured into seedlings, eg. from leaf or stem, and the seeds are not required. The seedlings can then be transferred into nusery, and grown as normal. Fruit bearing is as per normal.
2) Seedless grapes are not technically seedless, although they are seedless for
practical purposes. Seedless grapes are different than most seedless fruits
because the seeds initially develop but abort when they are very tiny embryos.
Thus, in seedless grapes, normal fertilization does occur. You can often see
the remains of the aborted seed in the mature fruit. Seedless grape breeders
can remove the tiny embryos before they abort and grow them in tissue culture
to produce a mature plant. This is termed embryo rescue. Seedless grapes have
what is termed stenospermocarpy.
2006-08-08 11:48:13
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answer #3
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answered by MiLoGaL 2
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They genetically mutate a seed from a seeded grape as a manner to benefit a grape without super seed in it. there could be an rather tiny seed in a seedless, in simple terms as in a seedless watermelon. in spite of the shown fact that it quite is all the mutation.
2016-12-11 09:12:16
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answer #4
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answered by Anonymous
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1st answer is correct. Vines are not grown from seeds anyway since a grower wants to have a known variety with known characteristics. In other words, plants are cloned, not given rise to via sexual reproduction (which makes seeds).
When the vine is dormant, prunings from the desired variety are either rooted in a greenhouse bed, or grafted onto a desired rootstock (a vine grown only for it's root characteristics) where the two cambium layers (the part under the bark where active cell division takes place) grow together as one. Kind of like your skin healing over a cut. Then the following spring, the dormant graft is placed outside in growing beds to start it off as one new plant.
2006-08-07 12:15:42
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answer #5
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answered by obviously_you'renotagolfer 5
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They breed the plant with from a plnt with poisonous grapes with no seeds with an edible one with seeds until they mix together over the generations until the poison is under safe levels for human consumption and there are no seeds!
I am sure if you looked it up you could get a picture or diagram of the process but that is basically what happens.
2006-08-08 08:31:55
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answer #6
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answered by Elite117 3
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vno
11 minutes ago
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1st answer is correct. Vines are not grown from seeds anyway since a grower wants to have a known variety with known characteristics. In other words, plants are cloned, not given rise to via sexual reproduction (which makes seeds).
When the vine is dormant, prunings from the desired variety are either rooted in a greenhouse bed, or grafted onto a desired rootstock (a vine grown only for it's root characteristics) where the two cambium layers (the part under the bark where active cell division takes place) grow together as one. Kind of like your skin healing over a cut. Then the following spring, the dormant graft is placed outside in growing beds to start it off as one new plant.
Source(s):
Grape grower.
duh
2006-08-07 12:27:48
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answer #7
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answered by wheat thins 2
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you dont. They are either taken as cuttings - or they are what is known as 'F1's'. This means that the plants are sterile. So (like so many poor farmers in the 3rd world find) you cannot just keep some seeds back from this years crop to create next years. You have to go back to the seed manufacturer to keep buying more seeds for each years crop.
Great business practice, makes big profits for shareholders, but hard on farmers.
2006-08-08 09:14:48
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answer #8
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answered by Colin A 4
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They do graftings from the seedless to the regular vines...seems like alot of work for a few seeds and its not NICE to fool MOTHER NATURE!
2006-08-07 12:14:37
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answer #9
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answered by Anonymous
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unfertilized female flowers grow no seeds, just the fruit. It's also how sinsemilla marijuana is grown.
See tthe plants are dioecious, they have lil boy and lil girl plants. When the males are removed their pollen cannot fertilize the female pistils and so no seeds. then in abother place they grow the males and female plants as normal....seeds.
2006-08-07 12:13:14
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answer #10
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answered by Anonymous
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