Evaluation of a clonal population of Tetrachne dregei Nees. n. Depth and sowing method.

  • J. H. Veneciano INTA EEA San Luis. Villa Mercedes (San Luis).
  • O. A. Terenti INTA EEA San Luis. Villa Mercedes (San Luis).
  • L. Massa Universidad Nacional de San Luis, Facultad de Agronomía. Villa Mercedes (San Luis).

Keywords:

Tetrachne dregei, Sowing,

Abstract

Evaluation of a clonal population of Tetrachne dregei Nees. n. Depth and sowing method. The main limitation for the extensive cultivation of Tetrachne dregei Nees is the difficulty to obtain its establishment. The purpose of this work was to determine the appropriate sowing depth, and to compare sowing and compactation methods. In plastic trays with sterilized soil under controlled photo and thermoperiod, emergency curves were obtained for anthecium and caryopsis sowed at different depth. Results were analized by Tukey test and regression. It were compared five sowing methods, with a common distribution system. Emergence percentage was never smaller than 50% for anthecium and caryopsis sowed between O and 2 cm. deep. Ploughing and line compactation showed to be the best treatment to obtain tetracne establishment. Degree and type of weeds had an adverse effect on its establishment.

Downloads

Download data is not yet available.

References

ISTA, 1978. Reglas internacionales para ensayos de semillas. Servo Nac. de Semillas. Secrel. de Estado de Agríe. y Ganadería.

JACOBSOHN, R. y D. GLOBERSON, 1978. Calidad de la semilla de D. carota: 1. Efectos del tamaño de la semilla sobre la germinación, emergencia y crecimiento de la planta bajo condiciones subtropicales. En Prod. Moderna de Semillas. Hebblethwaite, P.D.- Ed.H.Sur S.R.L., 1983. Tomo II: 754-764.

MILANO, V.A. y A.J. RODRIGUEZ SAENZ, 1971. Analogías climáticas e importancia de los grados de abundancia para la introducción de especies forrajeras. Ej. en Tetrachne dregei Nees. IDIA 280:29-39.INTA.

Published

2020-06-10

How to Cite

Veneciano, J. H., Terenti, O. A., & Massa, L. (2020). Evaluation of a clonal population of Tetrachne dregei Nees. n. Depth and sowing method. Semiárida, 6(2), 17–34. Retrieved from https://cerac.unlpam.edu.ar/ojs/index.php/semiarida/article/view/4947

Issue

Section

Artículos Científicos y Técnicos