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Photoperiod, temperature, gibberellin, and an anti-gibberellin affect tuberization of potato stem segments in vitro.
(American Society for Horticultural Science., 1998)
Katahdin' potato plants were grown under conditions that did not induce tuberization (noninducing conditions) and the foliage was sprayed with either a growth retardant (BAS-111) at 1000 mg·L ⁻¹ or distilled water. Other ...
The epidemiology of fasciolosis in the inter-Andean valley of Cajamarca, Peru.
(Elsevier Ireland Ltd., 1997)
Fasciolosis is recognised as a major problem in dairy cattle in parts of Peru. A longitudinal study of dairy cattle in Cajamarca, Peru was used to determine the annual pattern of infection with Fasciola hepatica. After a ...
Strategic control of fasciolosis in the inter-Andean valley of Cajamarca, Peru.
(British Veterinary Association., 1998)
Fasciolosis is recognised as a major problem in dairy cattle in Cajamarca, Peru. The infection has an annual cycle, with the major period of infection from January to March. A control programme, involving two doses of the ...
Haematological parameters in Brown Swiss and Holstein cattle at high altitude.
(Springer Netherlands., 1996)
Standard haematological values have been calculated for female Holstein and Brown Swiss cattle kept at high altitudes in the Andean Sierra. Overall mean values were 5·9 × 1012 l−1 for the red cell count, 0·321l−1 for the ...
Three new species of Muhlenbergia and Uniola (Poaceae) from Northern Peru.
(Elsevier Ltd., 1990)
Three new grass species, Muhlenbergia coxamarcensis, M. maxima and Uniola peruviana are described from Northern Peru. Their affinities and geographical distribution are briefly discussed.
Fasciola infection in guinea-pigs in the Peruvian highlands.
(Springer Netherlands., 1996)
No abstract available.
Characterisation of woody Medicago (sect. Dendrotelis) species, on the basis of seed and seedling morphometry.
(Elsevier Ltd., 1999)
The three species belonging to the sect. Dendrotelis of the genus Medicago: M. arborea L., M. citrina (Font Quer) Greuter, and M. strasseri Greuter, Matthäs & Risse, were characterized using 12 morphometrical characters ...
The effect of cyclic temperatures on the growth of Fasciola hepatica and Lymnaea viatrix.
(Bailliere Tindall Ltd., 1999)
The experiment aimed to measure the effect of constant and variable temperatures on the growth of Lymnaea viatrix snails, on the development of a Peruvian isolate of Fasciola hepatica eggs and on the development of F. ...
Weed communities in Andean cropping systems of Northern Peru.
(Elsevier Ltd., 1998)
Weeds can have both positive and negative effects on agricultural environments. However, despite the growing interest in the ecology of weed communities in agricultural areas, a few studies have been carried out in the ...
