ABSTRACT


Patricio Parodi P.1
 

A growth regulator (2-chloroethyl) trimethyl-ammonium chloride (CCC) , in 10-2 M aqueous soIution, on altering the development of host wheat plants significantly increases the period of sporu lation of the fungus Puccinia recondita f. sp. tritici Rob. ex Desm., leaf rust. Treated plants grow shorter, with broader and thicker leaves, of a darker green color than normal plants. Reaction to leaf rust remains identical.

Keywords:
1 Ingeniero Agrónomo, M. S., Proyecto Trigo, Estación Experimental La Platina, Instituto de Investigaciones Agropecuarias..