treatment block emergence Control 1 86 Arasan 1 98 Spergon 1 96 Semesan 1 97 Fermate 1 91 Control 2 90 Arasan 2 94 Spergon 2 90 Semesan 2 95 Fermate 2 93 Control 3 88 Arasan 3 93 Spergon 3 91 Semesan 3 91 Fermate 3 95 Control 4 87 Arasan 4 89 Spergon 4 92 Semesan 4 92 Fermate 4 95