Search results
Results from the WOW.Com Content Network
Tomato and potato cultivars are commonly classified as determinate or indeterminate according to the amount of time that they produce new leaves and flowers. Varieties that produce few leaves and flowers over a shorter period are classed as determinate and those that produce new leaves and flowers for longer are classed as indeterminate. [1] [2 ...
Current tomato Indeterminate Regular leaf Ostensibly from the original wild tomato from Mexico. They are smaller than most cherry tomato types. [88] Micro Tom Red 50–60 1 oz Cherry Micro Determinate Regular Leaf Considered world's smallest tomato, Micro Tom is a cultivar used mainly in laboratory experiments [89] Millionaire Pink 80–85 Heirloom
Tomato plants are vines, becoming decumbent, and can grow up to 3 m (9.8 ft); bush varieties are generally no more than 100 cm (3 ft 3 in) tall. They are tender perennials, often grown as annuals. [40] [41] Tomato plants are dicots. They grow as a series of branching stems, with a terminal bud at the tip that does the actual growing.
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 ]
"Test Tube Tomato" A ten minute long video providing an overview of the Flavr Savr and its controversy. "The transgenic tomato" " Purpose: To show a general reading audience (perhaps readers of a popular science magazine) that genetically engineered crops are needed and safe to consume by discussing the development of a successful genetically ...
Biological specimens in an elementary school science lab. A biological specimen (also called a biospecimen) is a biological laboratory specimen held by a biorepository for research. Such a specimen would be taken by sampling so as to be representative of any other specimen taken from the source of the specimen. When biological specimens are ...
While the Roma is an open-pollinated variety rather than a hybrid, it has been steadily improved to the point that most Roma tomato vines are verticillium- and fusarium wilt-resistant (thus the VF in the name). Most commercial plum tomatoes sold in markets in the Western Hemisphere are Romas or related types.
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.