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TABLE VIII.-EFFECT OF DIFFERENT SEED TREATMENTS ON THE YIELD OF POTATOES IN A BADLY FROZEN PLOT AT FEDERAL
POINT, FLORIDA, IN 1927.
CalculatedPounds Increase by Treating
SNo. of Tubers per 50 Hills Pounds Percent I Calculated Odds XJ
Treatments Repli- When ---
cations Treated Primes Seconds Primes Seconds Primes Seconds Primes Seconds
*Diseased-untreated... .................. 6 22.2 8.78 .... ... ... ... .. ....
Corrosive sublimate....................... 6 Whole 20.3 6.97 -1.9 -1.81 -8.6 -20.6 5.36:1 10.2:1
Diseased-untreated...................... 6 22.2 8.78 .... ... .. ....
SemesanBel. 1:10dip ..................... 6 Cut 16.7 5.88 -5.5 -2.90 -24.8 -33.0 18.9:1 199:1
*The untreated lots were taken directly from the bag without sorting and on about half of the tubers could be found a
small number of small sclerotia.
TABLE IX.-EFFECT OF DIFFERENT SEED TREATMENTS ON THE NUMBER OF POTATOES PRODUCED IN A BADLY FROZEN PLOT AT
FEDERAL POINT, FLORIDA, IN 1927.
Calculated Increase by Treating
No. of Tubers No. of Tubers
Tubers Percent Calculated Odds
Treatments Repli- When per 50 Hills Tubers percent Calculated Odds
cations Treated Primes Seconds Primes Seconds Primes Seconds Primes Seconds
Diseased-untreated....................... 6 115.6 105.6 .... .... .... .... .... ....
Corrosive sublimate....................... 6 Whole 108.8 78.7 -6.8 -26.9 -5.9 -25.5 3.24:1 38.7:1 .
Diseased-untreated ....................... 6 115.6 105.6 .... .... ..
Semesan Bel. 1-10 dip....................... 6 Cut 85.5 66.8 -30.1 -38.8 -26.0 -36.8 29.1:1 1,666:1