104 



ing a certain culture, as recorded, is indicated in the following page taken from 

 the autumn wheat book for 1910. The culture in question was a pedigree, 

 third generation hybrid, from a crossing between the autumn wheat sorts 

 Grenadier II (0501) and Sun (0415). 



1910 



0501 X 0415, 3rd Generation 



1909 



139 ** 



Sown 29/9 



Head appeared 21/6 



Ripe 10/8 



19/7 Yellow Rust 3-4 



25/7 Average height 



28/7 (!) Very large head 



30/7 Yellow rust 3. 



17/8 Straw strength 2 



10/9 Xot more rust than parents, kernels plainly translucent, 



more like 0415 in form but quality as 0501; plump but 



somewhat open crease. 



39 *** Should be continued. 



Grading Much rust or smut is usually indicated by the figure 5, while the absence 



Rust and o f these diseases is indicated by 0. Intermediate degrees are indicated by 



corresponding numbers. 



Grading The strength of straw is graded according to the following scheme, 1 



strength of indicating stiff upright straw and 6 extremely weak straw. In rye finer 



gradations than these are used. 



*=The field number for 1910. The sign ( ) indicates that this was a pedigree culture during the 

 year in question. 



**=The field number in 1909. 



***=The field number for 1911. The sign (=) indicates that this seed is to sow a comparative trial 

 plot in 1911. 



(!) Sign used to indicate a high degree of excellence. 



