Kukura nokukurumidza kweElm iyi munharaunda yayo yokumusha kunoratidza simba rayo reF1 hybrid.
Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi "Kukura nokukurumidza kweiyi elm munharaunda yayo yokumusha kunoratidzira simba reF1 hybrid, kunyange zvazvo muti wacho wakarangarirwa naGreen Green, P. S. (1964)".