Clubroot control in crucifers with hydrated lime and PCNB
1976
A:PS
Details
Title
Clubroot control in crucifers with hydrated lime and PCNB
Publication Date
1976
Call Number
A:PS
Summary
Combinations of soil-incorporated hydrated lime and pentachloronitrobenzene (PCNB) were evaluated for the control of clubroot on direct-seeded cauliflower, broccoli, Chinese cabbage, transplanted Brussels sprouts, and cabbage. Effective control was obtained with 200 g active PCNB/m3 soil or 4,480 kg/ha of broadcast hydrated lime and lower rates of PCNB when combined with hydrated lime. The effect of combining the two compounds was additive and not synergistic. Growth suppression of direct-seeded cauliflower and broccoli was directly correlated with severity of clubroot symptoms. Minor clubbing reduced cauliflower growth, whereas similar clubbing on broccoli had no growth effect. PCNB alone caused reductions in seedling emergence, but not when applied in combination with hydrated lime. Emergence of Chinese cabbage seedlings was reduced with treatments of 10 and 20 g PCNB/m2. The lime treatments increased emergence of Chinese cabbage and tended to counteract the effect of PCNB on emergence. [AS]
Journal Citation
v.60(7):561-565, PLANT DISEASE REPORTER
Contact Information
harvest@worldveg.org
Record Appears in
Research > Published Articles