BULLETIN 1133, U. S. DEPARTMENT OF AGRICULTURE 



Table 2. — Average and extreme freezing points of potatoes, sweet potatoes, tomatoes, 



and other vegetables 



Kind and variety 



Potatoes: 



Triumph 



Early Prospect 



Irish Cobbler 



First Early 



First Early Standard. 



Ehnola 



Spaulding No. 4 



Green Mountain 



Gold Coin 



Rural New Yorker... 



Russet Rural 



. U. S. Seedling No. 



38774 



Up-to-date 



Producer 



Oregon White Rose.. 



British Queen 



Garnet Chile 



American Giant 



Average.. 

 Sweet potatoes: 



Big Stem. 



Dooley 



Early Carolina 



Georgia 



Gold Skin 



Improved Big Stem. 



Miles 



Nancy Hall 



Mullihan 



Pierson 



Porto Rico... 



Pumpkin 



Red Brazil 



Red Bermuda 



Red Jersey 



Southern Queen 



Triumph 



Yellow Belmont 



Yellow Jersey 



Yellow Strasburg... 



Average 



Tomatoes (ripe): 



Bonny Best 



Olney Special 



Earliana 



John Baer 



Landreth 



Early Michigan 



Marvel 



Bloomdale 



Red Rock 



Trucker's Favorite- 

 New Glory 



Temperatures (° F.) 



Aver- 



29.20 

 28.80 

 29.67 

 29.00 

 28.97 

 29.17 

 29.33 

 28.50 

 28.63 

 28.70 

 28.32 



28.77 

 29.10 

 28.70 

 28.71 

 29.27 

 28.16 

 29.64 



28.92 



28.05 

 28.46 

 28.59 

 28.05 

 28.47 

 28.76 

 28.34 

 28.10 

 27.64 

 28.68 

 28.34 

 28.98 

 28.40 

 28.17 

 28.52 

 28.56 

 28.43 

 28.57 

 28.97 

 28.72 



44 



30.59 

 30.52 

 30.57 

 30.45 

 30.67 

 30.03 

 29.99 

 30.55 

 30.06 

 29.78 



Extremes 



Mini- Maxi- 

 mum mum 



29.00 



28.72 



28.74 

 29.01 

 29.21 

 28.38 

 28.40 

 28.46 

 28.30 



28.65 

 29.10 

 28.73 

 28.60 

 29.22 

 28.00 

 29.48 



28.80 



27.48 

 27.93 

 28.40 

 27.79 

 28.21 

 28.26 

 28.16 

 27.54 

 27.46 

 28.02 

 27.87 

 28.68 

 28.30 

 27.98 

 28.30 

 28.25 

 28.26 

 28.49 

 28.26 

 28.30 



30.48 

 30.34 

 30.43 

 30.24 

 30.34 

 30.19 

 29.90 

 29.90 

 30.48 



29.63 



29.33 

 29.30 

 29.72 

 29.00 

 29.12 

 29.30 

 29.32 

 28.55 

 28.70 

 28.75 

 28.48 



28.83 

 29.10 

 28.79 

 28.80 

 29.30 

 28.28 

 29.68 



29.02 



28.72 

 28.91 

 28.96 

 28.58 

 28.63 

 29.00 

 28.54 

 28.35 

 27.93 

 28.72 

 28.68 

 29.09 

 28.63 

 28.63 

 28.77 

 28.82 

 28.72 

 28.82 

 29.05 

 29.00 



28.72 



30.68 

 30.67 

 30.77 

 30.90 

 30.72 

 30.85 

 30.38 

 30.53 

 30.62 



Kind and variety 



Tomatoes (ripe)— Contd. 

 Stone '_. 



Greater Baltimore.. . 

 Columbia 



Delaware Beauty... 



Livingston's Globe.. 



Livingston's Acme.. 



Greenhouse varieties- 

 Carter's Sunrise- 

 Stirling Castle. . 



Average __ 



Tomatoes (green): 



Bonny Best 



Earliana...^ 



John Baer 



Early Michigan 



Red Rock 



Stone 



Greenhouse varieties- 

 Carter's Sunrise- 

 Stirling Castle .. 



Average 



Sweet corn: 



Crosby 



Country Gentleman. 



Howling Mob. 



Golden Bantam 



Average 



Onions: 



Yellow Danvers 



White Globe 



Texas Bermuda 



Average 



Lettuce: 



May Queen 



Way Ahead 



Prize Head 



Average 



Carrots: 



Danvers 



Chantenay 



Average 



Peas: 



Early Alaska 



Horsford's Market 



Garden 



Laxtonian 



Average 



Temperatures (° F.) 



Aver- 



30.31 

 30.62 

 30.31 

 30.02 

 30.58 

 30.46 



30.58 

 30.54 



30. 



30.57 

 30.24 

 30.53 

 30.70 

 30.58 

 30.15 



30.29 

 30.11 



30.40 



29.07 

 29.11 

 28.00 

 29.61 



28.95 



30.10 

 30.20 

 29.96 



30.49 

 31.54 

 31.57 



31.20 



29.61 

 29.53 



29.57 



28.93 



30.93 

 30.23 



30.03 



Extremes 



Mini- 

 mum 



30.10 

 30.20 

 30.29 

 29. 95 

 30.32 

 30.41 



30.06 

 30.41 



30.20 



29.77 

 30.48 

 30.53 

 30.34 

 30. 10 i 



30.20 



Maxi- 

 mum J 



30.21 



28.82 

 28.63 

 27.89 

 29.25 



65 



29.61 

 29.75 

 29.71 



30.38 

 31.25 

 31.45 



31.03 



29.43 

 29.42 



28.26 



30. 73 

 30.03 







Summary 



of Averages 









Beans (snap) 



29.74 



31.18 



29.57 

 30.08 

 29.73 

 28.95 

 30.41 

 30.02 



29.65 



31.06 



29.42 

 29.95 

 29.70 

 28.65 

 30.17 

 29.74 



30.06 



31.34 

 29.68 

 30.15 

 30.00 

 29.22 

 30.69 

 30.22 



Lettuce 



31.20 

 30.09 



29.50 

 30.03 

 28.92 

 28.44 

 30.38 

 30.23 



31.03 

 29.69 



29.00 

 29.67 

 28.80 

 28.10 

 30.20 

 30.16 



31.38 



Cabbage (Early Jersey 

 Wakefield) 



30.24 



Onion sets (Yellow 

 Globe) 







29.90 



Cauliflower 



Peas (green) 



Potatoes 



30.25 



Celery... .. 



29.02 





28.72 





Tomatoes (ripe) ... 



30.67 







30.48 









Sweet 'potatoes. — The results of freezing 20 more or less common 

 varieties of sweet potatoes are presented in Table 2. The varieties 

 with the lowest freezing points are Big Stem and Georgia, both of 

 which froze at 28.05° F. The highest freezing points were found 



