The book The Importance of Broad Breeding in Corn was written by author Collins, G. N. (Guy N.), 1872-1938 Here you can read free online of The Importance of Broad Breeding in Corn book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Importance of Broad Breeding in Corn a good or bad book?
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Bulletin 21, Illinois Agricultural Experiment Station, p. 82.
1892.
141— IV THE IMPORTANCE OF BROAD BREEDING IN CORN. 39 other case being 4.G per cent, while the average increase for the Avhole series of 1:2 crosses is lO per cent. runnin<2: as high as 52.8 per cent.
If similar increases had been secured by any change in cultural methods, experiments to determine the range of applicability of the new method would have been i)romptly inaugurated and the true value of the facts ascertained. Although the fact has long been established that significant increases can be secured by crossing, we are still Avithout knowledge regarding the conditions necessary for this increase. It is to be expected that the increase Avill be greatest between strains that liaA^e been closely selected, but there is no direct evidence on this point. ^Ve should also lose no time in securing information regarding the amount of difference that should exist between the strains crossed to secure the maximum increase of vigor.
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