๐”– Bobbio Scriptorium
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Third supplementary list of wheat varieties classified according to their genotype for hybrid necrosis

โœ Scribed by A. C. Zeven


Publisher
Springer
Year
1968
Tongue
English
Weight
491 KB
Volume
17
Category
Article
ISSN
0014-2336

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โœฆ Synopsis


New data about the geographical distribution of necrosis genes support the previous conclusion, viz. the Old World can be divided by a rough line running through the Mediterranean and Black Sea countries to Lake Baikal and from these to northern Japan. The Ne,-area lies south and east and the Ne, area north and west of this line. There are indications that Ne,-carrying wheat varieties exist in the Leningrad district.

The third supplement contains 441 varieties and selections of which the genotype for hybrid necrosis is given. The total number of tested varieties etc. is now 1150.


๐Ÿ“œ SIMILAR VOLUMES


Sixth supplementary list of wheat variet
โœ A. C. Zeven ๐Ÿ“‚ Article ๐Ÿ“… 1973 ๐Ÿ› Springer ๐ŸŒ English โš– 824 KB

During 1971 and 1972 further progress in the identification of the Ne-genotype of wheat varieties has been made . Many data have been published in literature . Especially Russian workers identified many varieties. The picture formerly given for the distribution of Ne-genes remained unaltered . The

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An account is given about the progress in the work of the last two years . Further work is being done on the geographical distribution of both the Ne-genes . The fifth supplement consists of 144 Ne t -carriers, 208 Ne e -carriers and 326 noncarriers, together 678 varieties . The total number of var

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โœ A. C. Zeven ๐Ÿ“‚ Article ๐Ÿ“… 1967 ๐Ÿ› Springer ๐ŸŒ English โš– 203 KB

Male sterile "lines" are being made carrying either Ne ss or Nets in homozygous condition. The "lines" will be used to determine the necrosis genotype of wheat varieties and at the same time to trace genes restoring fertility in cytoplasmic sterile "lines" . It is suggested that hybrid necrosis cou