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Dicke, Robert J. (ed.) / Transactions of the Wisconsin Academy of Sciences, Arts and Letters
volume XLIV (1955)

Persidsky, D. J.; Wilde, S. A.
Effect of eradicants on the microbiological properties of nursery soils,   pp. 65-73 ff. PDF (2.7 MB)


Page 69

cr~ 
I. 
TABLE 3 
EFFECT OF ERADICANTS ON THE GROWTH AND MYCOTROPHIC FEATURES OF ONE YEAR OLD
SEEDLINGS OF MONTEREY PINE, 
Pinus radiata, RAISED IN SAND CULTURES. OVEN-DRY WEIGHTS OF AVERAGE SEEDLINGS
ERADICANT APPLIED AND RATE 
OF APPLICATION PER ACRE 
SEEDLING 
IN 
TOTO 
g 
To~ 
g 
ROOT 
g 
Top--- 
ROOT 
RATIO 
TYPE OF MYCORRHIZAL ORGANS 
OR SHORT ROOTS" 
Untreated soil                     
Chiordane, 10 lbs                  
Allyl alcohol, 50 gal                 
Stoddard oil, 100 gal                
Thiosan, 120 lbs                   
Aluminum sulfate, 500 lbs           
Formaldehyde, 0.7% 5,000 gal        
Calomel, 40 lbs                    
1~enzene hexachloride, g.i. 1 lb        
. 177 . 172 
191 
. 180 
. 146 
. 130 
. 140 107 
. 176 
. 143 
. 132 
. 143 
. 108 
. 114 
.087 
.039 
.098 
. 130 
.034 
.040 
.048 
.072 
.032 
.043 
.056 
.009 
046 
4.2 
3 .3 
2.9 
1 . 5 
3 .6 
2. 1 
1 .5 
10.8 
2 . 8 
Abundant normal bifurcate short roots Abundant nearly normal bifurcate elongated
short roots 
Fairly abundant simple short roots Abundant simple "pseudo-mycorrhizal"
short
roots 
Sparse pedunculate roots of "pseudomycorrhizal" type 
Fairly abundant short roots of a slingshot pattern 
Fairly abundant simple and bifurcate pedunculate short roots 
Very sparse depressed sessile lobate short roots 
Sparse depressed sessile clovate short roots 


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