s 



FREEZING POINTS OF VEGETABLES 



Although several different kinds of vegetables have been used in 

 the freezing-point determinations, those on which the most extensive 

 varietal studies have been centered are potatoes, sweetpotatoes, and 

 tomatoes. These results are found in table 3. 



Table 3. — Average and extreme freezing points of several different varieties of 

 potatoes, sweetpotatoes, tomatoes, and certain other vegetables 



Kind, state of maturity, and 

 variety 



Aver- 

 age 



Extremes 



Kind, state of maturity, and 

 variety 



Aver- 

 age 



Extremes 



Mini- 

 mum 



Maxi- 

 mum 



°F. 

 29.*7 

 29.6 

 29.4 



28.8 



Mini- 

 mum 



Maxi- 

 mum 



Cantaloups, eating ripe: 1 

 Rocky Ford, flesh 



°F. 

 29.1 

 28.6 

 29.0 

 28.3 



°F. 

 28.2 

 27.9 



28.7 

 28.2 



Sweetpotatoes: > 

 Bis Stem _ 



°F. 

 28.0 

 28.5 

 28.5 

 28.8 

 28.1 

 27.6 

 28.7 

 28.3 

 29.0 

 28.4 

 28.2 

 28.5 

 28.6 

 28.4 

 28.6 

 29.0 

 28.7 



°F. 

 27.5 

 27.9 

 28.2 

 28.3 

 27.5 

 27.5 

 28.0 

 27.9 

 28.7 

 28.3 

 28.0 

 28.3 

 28.2 

 28.3 

 28.5 

 28.3 

 28.3 



°F. 



28.7 





Dooley -. 



28.9 



Tip Top, flesh 



Gold Skin 



28.6 



Tip Top, rind 



Improved Big Stem 



Nancy Hall 



Mullihan 



Pierson 



29.0 





28.3 

 27.9 



Average, flesh _ . . 



29.0 



28.4 



28.4 

 28.0 



29.5 

 29.2 



Average, rind.. 



28.7 





28.7 

 29.1 





29.6 

 29.5 



29.4 

 29.4 



29.7 

 29.-7 



Pumpkin 





Red Brazil 



28.6 





Red Bermuda 



28.6 







28.8 

 28.8 





29.6 



29.4 



29.7 









28.7 

 28.8 



Corn, sweet, milk stage: 



29.1 

 29.1 

 28.0 

 29.6 



28.8 

 28.6 

 27.9 

 29.2 



29.4 

 29.4 



28.2 

 29.8 



Yellow Belmont 



Crosby 





29.0 



Country Gentleman 



Yellow Strasburg 



29.0 



Howling Mob 



Average 



28.5 



28.1 



28.7 





Tomatoes, ripe: l 



30.6 

 30.5 

 30.6 

 30.4 

 30.0 

 30.0 

 30.5 

 29.8 

 30.3 

 30.6 

 30.3 

 30.0 

 30.6 

 30.7 

 30.7 



30.6 

 30.5 



30.5 

 30.4 

 30.2 

 30.3 

 29.9 

 29.9 

 30.5 

 29.6 

 30.1 

 30.2 

 30.3 

 29.9 

 30.3 

 30.7 

 30.4 



30.1 

 30.4 









28.9 



28.6 



29.2 



30.7 





Earliana 



John Baer .... 



30.8 

 30.9 



Lettuce: 



30.5 

 31.5 

 31.6 

 31.2 



30.4 

 31.2 

 31.4 

 30.8 



30.6 

 31.8 

 31.8 



31.4 



May Queen., 



Landreth 



30.7 



Way Ahead. . 



Marvel.. 



30.4 



Prize Head. 



Bloomdale. ... .... 



30.5 





Red Rock 



30.6 







30 4 



Average 



31.2 



31.0 



31.4 



Stone. ... 



30.6 







30.8 

 30.8 



Onions: 



30.1 

 30.2 

 30.0 



28.9 

 30.9 

 30.2 



29.6 

 29.7 

 29.7 



28.3 

 30.7 



30.0 



30.2 

 30.4 

 30.1 



29.2 

 31.0 

 30.6 



Columbia 



Yellow Danvers. . - 



Delaware Beauty 



30.3 



White Globe . . . 





30.9 



Texas Bermuda. . ... 



Marglobe.. 



30.8 



Peas: 



Livingston Acme 



Greenhouse varieties: 



Carter Sunrise 



Stirling Castle 



Average 



30.7 

 30.8 



Horsford Market Garden.. 



30,6 





30.4 



30.2 







30. i 



Average 



30.0 



29.7 



30.2 



Tomatoes, green: i 



Bonny Best 



Earliana 



30.6 

 30.2 

 30.5 

 30.6 

 30.1 

 30.6 



30.3 

 30.1 



30.4 

 29.8 

 30.5 

 30.3 

 30.1 

 30.5 



30.2 

 29.9 





Potatoes: > 



28.6 

 29.2 

 29.7 

 29.3 

 28. 5 

 28.6 

 28.7 

 28.3 

 29.1 

 28.7 

 29.3 

 28.2 

 29.6 

 29.2 



28.3 

 29.0 

 29.6 

 29.2 

 28.4 

 28.4 

 28.5 

 28.3 

 29.1 

 28.6 

 29.2 

 28.0 

 29.5 

 29.0 



28.9 

 29.3 

 29.7 

 29.3 

 28.5 

 28.7 

 28.7 

 28.5 

 29.1 

 28.8 

 29.3 

 28.3 

 29.7 

 29.6 



30.6 





John Baer 







30.6 



Red Rock 







30. 7 





Stone 







30.4 



Spaulding No. 4 



Green Mountain 



Marglobe 



Greenhouse varieties: 



Carter Sunrise 



Stirling Castle 



Average 



30.8 



Gold Coin 



Rural New Yorker No. 2.. 



30.6 

 30.1 



Up-to-Date 



30.4 



30.2 



30.6 



Oregon 'White Rose 



British Queen 



Garnet Chili 



Watermelons: * 



Dixie Belle, flesh 



Dixie Belle, rind 



Irish Grev, flesh 



29.0 

 28.8 

 29.4 



28.8 



28.9 

 28.6 

 29.0 

 28.5 



29.1 



American Giant. . ._ .. 



28. 9 

 29.8 





Katahdin 



Irish Grey, rind 



29.1 





28.9 



28.8 



29.0 



Average, flesh .. 



29.2 

 28.8 



28.9 

 28.5 



29.4 







29 















1 This product is liable to be injured if stored at temperatures somewhat above its actual freezing point. 

 For a discussion of the proper storage temperature s^e publication cited in footnote to table 1. 



