Publication Date
1993
Location
New Zealand
Description
Agronomic performance of new accessions of Centroseum pubescens on an acid ultlsol (pH 4.5, 80% Al saturation) was assessed over a 26- month period in a small-plot cutting trial near Pucallpa, Peru. 23 accessions, selected from a collection of 575 introductions, were tested along with 2 lines of C. pubescens and 3 of C. acutifolium as controls. Several new accessions of C. pubescens had significantly higher dry matter yields and better stolon root development and produced more seeds than the C. pubescens control lines, which were considerably affected by cercospora leaf spot and rhizoctonia foliar blighi. The new accessions were comparable in various agronomic characteristics to the acid-soil-tolerant C. acutifolium accessions. Leaf-to-stem ratio was highest in the commercial control. Forage quality of the new accessions was similar to that of commercial centro.
Citation
Keller-Grein, Gerhard and Passoni, F, "Agronomic Evaluation of Centrosema Germplasm on an Acid Utisol in the Humid Tropics of Peru. III. Selected Centrosema rubescens Benth. Accessions" (1993). IGC Proceedings (1985-2023). 19.
(URL: https://uknowledge.uky.edu/igc/1993/session59/19)
Included in
Agricultural Science Commons, Agronomy and Crop Sciences Commons, Plant Biology Commons, Plant Pathology Commons, Soil Science Commons, Weed Science Commons
Agronomic Evaluation of Centrosema Germplasm on an Acid Utisol in the Humid Tropics of Peru. III. Selected Centrosema rubescens Benth. Accessions
New Zealand
Agronomic performance of new accessions of Centroseum pubescens on an acid ultlsol (pH 4.5, 80% Al saturation) was assessed over a 26- month period in a small-plot cutting trial near Pucallpa, Peru. 23 accessions, selected from a collection of 575 introductions, were tested along with 2 lines of C. pubescens and 3 of C. acutifolium as controls. Several new accessions of C. pubescens had significantly higher dry matter yields and better stolon root development and produced more seeds than the C. pubescens control lines, which were considerably affected by cercospora leaf spot and rhizoctonia foliar blighi. The new accessions were comparable in various agronomic characteristics to the acid-soil-tolerant C. acutifolium accessions. Leaf-to-stem ratio was highest in the commercial control. Forage quality of the new accessions was similar to that of commercial centro.
