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Effect of temperature on the occurrence of male sterility in onion (Allium cepaL.)

โœ Scribed by Q. P. Meer; J. L. Bennekom

Publisher
Springer
Year
1969
Tongue
English
Weight
497 KB
Volume
18
Category
Article
ISSN
0014-2336

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โœฆ Synopsis

Experiments were made to ascertain whether sex expression in the onion depends on temperature.

Some populations were found to be largely male sterile at about 14~ and much less so:at 20~ ~ In other populations this phenomenon did not occur. Besides all the fertile populations produced less and worse pollen at 14 ~ The first-mentioned temperature influence may be an essential factor in searching for an explanation for the partially male sterile plants found by various research workers, and for the unexpected segregations for male sterility when A-, B-and Clines are propagated.

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