PATCHES OF POOR GROWTH IN FIELD:
Ditylenchus dipsaci
on alfalfa
Ditylenchus dipsaci
on chive
Pratylenchus penetrans
on Begonia, before fumigation
Pratylenchus penetrans
on Begonia, after fumigation
Heterodera schachtii
on cabbage
Heterodera schachtii
on sugarbeet
Meloidogyne naasi
on barley
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