double cross


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double cross

a method of plant breeding in which four different inbred lines are crossed together (A x B and C x D) and the progenies crossed again ((A x B) x (C x D)) to produce a four-way hybrid seed with good vigour.
References in periodicals archive ?
Double Cross fragrances will appeal to the youth who is confident, vibrant and is ready to take the world head on.
(24) In Operation Mincemeat, in which the Double Cross system played a far smaller role, the aim of the deception was to convince the Germans that the Allies planned to launch their Italian campaign with an invasion of Sardinia and Greece, rather than Sicily, which was considered the obvious target by both the Germans and the Allies.
The reader eventually discovers that "The Double Cross" does not refer to a plan gone wrong but, rather, is the nickname of Don Marco's own cattle brand.
In making "Fortitude" a success, the British officer in charge used the five double cross spies who are described in the book variously as courageous, treacherous, capricious, and inspiring.
"In Double Cross, Macintryre tells a tale that will be broadly familiar to those with an interest in military or intelligence history.
Initially his setup was informal and was dubbed the Twenty Committee--on paper, the XX Committee, the Roman numerals representing double cross. Some German agents who ended up working in XX had been captured in Britain and deemed suitable for Robertson's schemes.
Such packs of lies, combined with the people who told them, the creativity behind them, and the huge amount of brainpower required to keep everything consistent, make Double Cross an interesting, enjoyable, and occasionally thought-provoking read.
However, someone steals "Trixie" and the two partners initially suspect the other of a double cross, but quickly realize a third party is involved.
The men and women were part of MI5's biggest wartime intelligence coup: the Double Cross System.
However, the superiority of the best single cross over the best double cross was about 8% in both studies.
With a crossover no longer seen as a double cross, dudes in 2002 were taking advantage of the wealth of terrain and styles skating has to offer.
Double Cross follows a similar format, with the winner picking up a cheque for pounds 5,000 if they manage to charm their fellow competitors.