Some data on the resistance against the potato root-eelworm (Heterodera rostochiensis W.) in Solanum kurtzianum

Euphytica ◽  
1960 ◽  
Vol 9 (2) ◽  
pp. 185-190 ◽  
Author(s):  
C. A. Huijsman
1951 ◽  
Vol 25 (3-4) ◽  
pp. 166-172
Author(s):  
D. W. Fenwick

Four samples of D-D were tested at six dosage levels for their nematicidal activity against the potato-root eelworm Heterodera rostochiensis; the treatments were carried out on naturally infested soil in 5-in. pots, viability being estimated by hatching in root diffusate. There was no evidence of there being significant differences between the samples at 50–60% kills, but at higher and lower kills they did appear to differ appreciably from one another in nematicidal activity.


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