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Larval development of Halicarcinus varius (Decapoda: Hymenosomatidae)
Abstract Larvae of Halicarcinus varius were reared through three zoea stages to the first crab instar in the laboratory. The larval stages and the first crab instar are described. Zoea III develops… Expand
Genetic variability of the causal agent of clubroot, Plasmodiophora brassicae, in different regions of Germany.
Management of Adenocalymna impressum on pasture in the northwestern Mato Grosso
The occurrence of weeds in pastures is a factor that represents a loss of productivity because they compete directly with the essential elements and space with the forage. We aimed with this study… Expand
Temporal variability of element concentrations and fluxes in a strongly acidified Cambic Arenosol.
The occurrence of the alder buckthorn aphid (Aphis frangulae Kalt.) and the cucumber aphid (Aphis gossypii Glover) on potato.
- R. Horn
[First results on chemical weed control in chamomilla (Matricaria chamomilla L)].
- R. Horn
- Chemistry, Medicine
- Die Pharmazie
- 1 March 1969