BULLETIN 231] 



WALNUT CULTURE IN CALIFORNIA. 



353 



Atomizing results on nuts of late blooming tree with water solution of the walnut 

 blight organism from pure cultures,, at different periods. 



The table shows that a total of 352 nuts were atomized at the different 

 dates and that 244 or about 69 per cent of those treated contracted the 

 disease. Thirty-five of tfie treated nuts dropped before final results 

 were obtained and were not counted in the results, although the chances 

 are that a large number of these were also diseased and would still 

 farther have increased the percentage of diseased nuts. 



Table showing results from atomizing nuts on an early-blooming tree. 



Observation. 



Atomizing on Early Tree. The preceding table shows the results 

 from inoculation by atomizing of small nuts on a very early blooming 

 16231 



