BULLETIN 210. IMPERIAL VALLEY SETTLERS' CROP MANUAL. 209 



or one-sided the bunch looks immediately after thinning, it will round 

 out and become regular before ripening. 



Fig. 34. Bunch of green grapes after thinning. 



A long, narrow bladed knife or a pair of grape trimming scissors 

 can be used conveniently for this work. 



Varieties. A very large number of varieties have been planted in 

 Imperial Valley. On a recent trip about sixty varieties were seen in 



