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Published in Crop Sci 7:107-110 (1967)
© 1967 Crop Science Society of America
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Spread of the Root System as Indicator for Evaluating Lodging Resistance of Wheat1

Moshe J. Pinthus2

A technique for estimating the spreading angle of wheat roots is described and various methods of testing and sampling are discussed. The use of gravel beds with 3 or 4 replicates consisting of a single 1-m row per variety or line and samples of 5 to 10 plants per row is recommended. High correlations were found between varietal means of spreading angles and lodging rates from a series of field trials grown under various environmental conditions. Spreading angle estimates may serve as a method of selecting for lodging resistance.

1 Contribution from The National and University Institute of Agriculture, Rehovot, Israel; 1966 Series, No. 1023-E. This work is part of USDA P.L. 480 Project No. AIO-CR-3, supported by Grant No. FG-Is-108.

2 Department of Field and Vegetable Crops, Hebrew University, Rehovot, Israel.

Received for publication June 1, 1966.




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