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Rice panicle blanking

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Authors

Maurice L. Peterson , Plant Science Research Division, Agricultural Research Service, U. S. Department of Agriculture.
J. N. Rutger, Plant Science Research Division, Agricultural Research Service, U. S. Department of Agriculture
D. W. Henderson, Water Science and Engineering, University of California, Davis
Shiow Shong Lin, University of California, Davis

Publication Information

California Agriculture 26(4):3-5.

Published April 01, 1972

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Abstract

Panicle blanking, or the occurrence of “empty” kernels” on the rice panicle, may have caused yield losses of up to 12.5 per cent in 40 rice fields grown for certification in 1971. Although varieties differ in susceptibility to blanking, causes other than resistance appear to be responsible for the range in panicle blanking from 3.81 to 25.46% in different fields. Low night temperatures during pollen formation are believed to be the major cause of blanking. Pollen formation occurs during a 5-day period about 10 to 16 days before heading. Further studies aimed at finding solutions to this problem are in progress.

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Author notes

This research was partially supported by a grant from the Rice Research Board, California Department of Agriculture. Jack DeWitt, Rice Growers Association, Sacramento, assisted in collecting field samples.

Rice panicle blanking

Maurice L. Peterson, J. N. Rutger, D. W. Henderson, Shiow Shong Lin
Webmaster Email: wsuckow@ucanr.edu

Rice panicle blanking

Share using any of the popular social networks Share by sending an email Print article
Share using any of the popular social networks Share by sending an email Print article

Authors

Maurice L. Peterson , Plant Science Research Division, Agricultural Research Service, U. S. Department of Agriculture.
J. N. Rutger, Plant Science Research Division, Agricultural Research Service, U. S. Department of Agriculture
D. W. Henderson, Water Science and Engineering, University of California, Davis
Shiow Shong Lin, University of California, Davis

Publication Information

California Agriculture 26(4):3-5.

Published April 01, 1972

PDF  |  Citation  |  Permissions

Author Affiliations show

Abstract

Panicle blanking, or the occurrence of “empty” kernels” on the rice panicle, may have caused yield losses of up to 12.5 per cent in 40 rice fields grown for certification in 1971. Although varieties differ in susceptibility to blanking, causes other than resistance appear to be responsible for the range in panicle blanking from 3.81 to 25.46% in different fields. Low night temperatures during pollen formation are believed to be the major cause of blanking. Pollen formation occurs during a 5-day period about 10 to 16 days before heading. Further studies aimed at finding solutions to this problem are in progress.

Full text

Full text is available in PDF.

Author notes

This research was partially supported by a grant from the Rice Research Board, California Department of Agriculture. Jack DeWitt, Rice Growers Association, Sacramento, assisted in collecting field samples.


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