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The seedless wild parsnip fruit are preferred by certain herbivores and so serve as a "decoy defense" against seed predation. [3] Utah juniper has a similar defense against bird feeding. [4] The ability to produce seedless fruit when pollination is unsuccessful may be an advantage to a plant because it provides food for the plant's seed ...
By contrast, seedless watermelons are grown from seeds. These seeds are produced by crossing diploid and tetraploid lines of watermelon, with the resulting seeds producing sterile triploid plants. Fruit development is triggered by pollination, so these plants must be grown alongside a diploid strain to provide pollen.
Crops such as tomatoes have been modified to be seedless. [190] Tobacco has been modified to produce chlorophyll c in addition to a and b , increasing growth rates. The transgene was discovered in marine algae , which uses it to gain energy from the blue light that is able to penetrate seawater more effectively than longer wavelengths.
A genetically modified tomato, or transgenic tomato, is a tomato that has had its genes modified, using genetic engineering. The first trial genetically modified food was a tomato engineered to have a longer shelf life (the Flavr Savr ), which was on the market briefly beginning on May 21, 1994. [ 1 ]
Undeveloped seeds in 'Crimson Seedless' grapes. Stenospermocarpy is the biological mechanism that produces parthenocarpy (seedlessness) in some fruits, notably many table grapes.
Seeds typically are embedded in the fleshy interior of the ovary. Examples include: Tomato – in culinary terms, the tomato is regarded as a vegetable, but it is botanically classified as a fruit and a berry. [21] Banana – the fruit has been described as a "leathery berry". [22] In cultivated varieties, the seeds are diminished nearly to non ...
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