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Tomato grafting is a horticulture technique that has been utilized in Asia and Europe for greenhouse and high tunnel production and is gaining popularity in the United States. [1] Typically, stock or rootstock are selected for their ability to resist infection by certain soilborne pathogens or their ability to increase vigor and fruit yield.
The pomato (a portmanteau of potato and tomato), also known as a tomtato, is a grafted plant that is produced by grafting together tomato plant and a potato plant, both of which are members of the Solanum genus in the Solanaceae (nightshade) family. Cherry tomatoes grow on the vine, while white potatoes grow in the soil from the same plant. [1]
Bud grafting (also called chip budding or shield budding) uses a bud instead of a twig. [8] Grafting roses is the most common example of bud grafting. In this method a bud is removed from the parent plant, and the base of the bud is inserted beneath the bark of the stem of the stock plant from which the rest of the shoot has been cut.
Tomato roots were also affected by tomato systemin, with root growth increasing at high tomato systemin concentrations. By allocating more resources to the roots, plants under attack are thought to store carbon and then use it to re-grow when the attack ends. [33] Overexpressing AtPEP1 also increased root and shoot biomass in A. thaliana. [7]
Grafting, 1870, by Winslow Homer — an example of grafting. Fruit tree propagation is usually carried out vegetatively (non-sexually) by grafting or budding a desired variety onto a suitable rootstock. Perennial plants can be propagated either by sexual or vegetative means.
Tomato plants are vines, largely annual and vulnerable to frost, though sometimes living longer in greenhouses. The flowers are able to self-fertilise. Modern varieties have been bred to ripen uniformly red, in a process that has impaired the fruit's sweetness and flavor. There are thousands of cultivars, varying in size, color, shape, and flavor.
The screening is based on the presence or absence of a certain gene as determined by laboratory procedures, rather than on the visual identification of the expressed trait in the plant. The purpose of marker assisted selection, or plant genome analysis, is to identify the location and function ( phenotype ) of various genes within the genome.
On May 18, 1994, [5] the FDA completed its evaluation of the Flavr Savr tomato and the use of APH(3')II, concluding that the tomato "is as safe as tomatoes bred by conventional means" and "that the use of aminoglycoside 3'-phosphotransferase II is safe for use as a processing aid in the development of new varieties of tomato, rapeseed oil, and ...