Effects of reduced plant height on breeding requirements and ...

Q UAT,TTY Cltq.RÀcTER rsrf ts
Q uality deter¡ninations rlere nr¿de on onl-y three para_
meters on samples fz.orn the I9?5 trial_s.
T.,eve lj: <strong>of</strong> Alpha-alnylase. Applied N had no effect on this
character (fables 46 and 47C), contrary to the report <strong>of</strong>
Rei-senauer and Díckson (1960).
The taIl genotypes were si-gnificantly and substantially
superior ín alpha-arnylase to the serni-dwarfs at both
IocatÍons (fables 4Z-4 anA 4?B). Bonânza was the highest
and Minn 64-62 tlne iowest <strong>of</strong> the genotypes"
the F x G interaction at portage (îable ¿t6) reflected.
the significant response <strong>of</strong> C?O]OJ2 to appliecl N in compari_
son with a minimal response <strong>of</strong> the other lines (Table 4BB)"
Saccharift¡inq Actívitv. ÀNOVA (gable &9) in¿icated sÍgnifi_
eant fertiiizer effects at both sites* lhe response was
positive, and continued. to the highest level <strong>of</strong> applied N
(fa¡le 5OC). These results are in general agreement with
those reported by Reisenauer and Ðickson (1960)"
ANoVA (Table 49) indicated signifieant d.ifferences
between the <strong>plant</strong> heÍght classes, but the difference was
opposite in direetion at the two sites (îatle 508). lhis
was nainly due (lable 50A) to a major shift in the value
foz' Bonanza between sites" 0veral3-, C?OZOZ4 and C?03011
were high in saccharifying activity, while Minn 64-62 was
l-ow "