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113
(N −N )
PR = c 2 × 100
N 2
6/ N c = *1
0 & #&0
N 2 = & +/ +/ *1 ' / % '(! # 6 ' / (% ' 7 (
!
7.3.3 # $ O $I F? 2W $X $% % # $# (Antifeedant
4
!
!
efficiency test)
1) : no choice test (" * #.6%
( ! 3 $) "
10
,
0
6
/
c
"(! '(! # # #.% #
H "' (Z #( "3
+/
+/
/
6
" ( Y
" (
#.% 8 % (3
("( )
)
#'H)
(" %
( 4
V L
* #
( ' 7.2
/
/
"# ' "#3
# choice test
,
2) : choice test (" * #.%
( ! 3 $) "
6
10 "(! & '
'(! # (treatment)
0 & #&0 (control) 5 #
/
7
67
6
#.% #.%' 2 # * 7" % ( ! 3 $) "
9 (
,
6
1
%('(
( %(& #&0 " ( * 1
+/
+/
0
0
6
0
c
#
* * (Z #( "3 " ( Y
#.% 8 %
+/
/
(3
("() #' /H)
&1 & antifeedant index (AFI) (" % !)
(C − ) T ×100 %
AFI =
(C + ) T
0
6/ C = #' /H)
%(& #&0
T = #' /H)
%0('(
/ *+ 0
# #' /H)
( "
V * '1
#% ! " ' /
/
/
#.6%
50% *
" * Y 5( #.6%
'(! # '
# 23 % ! #
'(! # '
# 8 %
6 #.6%H)
'
# 23-8 = 15 % /
X
$ 7.2
# #' /H)
(" %
( 4
V
