Vegetable and Field Crops 



229 



slice across the stem end of the tuber will often reveal its 

 presence there as well. 



Fig. 127. — Tip-burn. After Wis. Agr. Exp. Sta. 



The loss amounts to millions of dollars annually, due: 

 (1) to deficient germination; (2) to earlj^ ripening and thus 

 to diminished yield; (3) to rot in storage. 



