N 120 kgghm 2, m (N ) m (P 2O 5) m (K 2O ) = ,

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1 34 11 ( ) V o l. 34 N o Jour. of N o rthw est Sci2T ech U niv. of A gri. and Fo r. (N aṫ Sci. Ed. ) N ov α 1, 1, 1, 2, 2, 2, 1, 3 (1, ; 2, ; 3, ) [],,, , ; 22, ; 22, , 2, , []; ; ; ; ; [ ] T S [ ] A [] (2006) , [1 ] 20 60, [229 ],, [10211 ] [12 ] [13 ] [14 ] [15 ] [16 ] [17219 ] [8 ] [20 ] [21 ],,, [22 ], [23 ],,,,, (), ggkg, m ggkg, m ggkg, m ggkg, ph cm, 50 cm, N 120 kgghm 2, m (N ) m (P 2O 5) m (K 2O ) = ,, 8 (X2F, C3F B 2F),, mm,, 10 α [] [] ( ) [](1957- ),,,, [](1964- ),,,,

2 78 ( ) 34 ; ml g g 0. 5 ml 350 ml ; 60 ml (SD E) 2. 5 h, 250 ml, 5 g N a2so 4,,, 100 ml, 60 1 ml, (SD E) - (GC2M S) : GCgM S2Q P25000 SH IM AD 2U ( PE ) GCgM S : H P25 (60 m mm Λm ) ; H e; 0. 8 ml gm in; 250, 280, 177 ; 50 (2 m in) 2 gm in 120 (5 m in ) 2 gm in 240 (30 m in) ; 1 15; 2 ΛL ; 70 ev ; : am u () ; M S, N IST (X 1)(X 2) (X 3)(X 4)(X 5)(X 6) 22 (X 7) 52(X 8) 22 (X 9) (X 10) Β2(X 11) (X 12) (X 13)(X 14) 21 (X 15) 22 (X 16) 23 (X 17) (X 18) 2, 42(X 19) 2, 42 () (X 20) (X 21) (X 22)(X 23) 32(X 24) (X 25) ; (Y 1)(Y 2) (Y 3), (X 1 X 4), (X 5 X 9), (X 10), (X 11 X 21), (X 22) (X 23 X 25) (0. 8 mm, 70 mm, mm ( 1 g), ( ) Pa),,, GB , [24225 ], (X 1 X 25), (Y 1)(Y 2) (Y 3),,,, ,, 1,,,,, : Y 1 = X X X X X X X X X X X X X X X X 25, (R = ) Y 2 = X X X X X X X X X X X X X X X X 25, (R = ) Y 3 = X X X X X X X X X X X X X X X X 25, (R = ), Y 1 Y 3,, 2. 2,, 1

3 11, : 1 79 T able 3 Partial co rrelation and direct path coefficient betw een neutral arom a constituents and smok ing results N eutral arom a constituents Concentration Partial co rrelation coefficient Q uality Smoking to tal sco res Concentration D irect path coefficient Q uality X X Smoking to tal sco res X X X X X X X X X X X X X X X X X X X X X X X : 3, 3 3 5% 1% N o te: 3, 3 3 m ean significant difference level at 5% and 1%, respectively , 25, 16,, ; 52 2, ; 22 Β , 42 () , 25, 16,, 22 ; , ; Β , 42 () , 25, 16,, 22 ; 22 Β , 42 2, 42() ;

4 80 ( ) 34,, , ; 2, , , 22 ; 52 2, , , 22 ; , 42 Β2 2, 42(), 3 1),,, 2), , 32, 22, ;,, 2, , 52, 3), 22,, 22 ;, 32, 52 22, 2, , 4), 22,, 22 ; , 42 Β2 2, 42 (), 32,, 22, , , ; 22, ; 22, , 2, ,,,, [] [ 1 ]. [M ].,. :, 1993: [ 2 ] Schultz T H, F lath R A, Eggling S B, et a1. Iso lation of vo latile components from a model system [J ]. A gric Food Chem, 1977, 25: 4462

5 , : 81 [ 3 ] W eek s W W. Chem istry of tobacco constituents influencing flavo r and arom a[j ]. Recent A dvance of Tobacco Science, 1985, 11: [ 4 ],,,. [J ]., 2000, 6 (2) : 125. [ 5 ],,,. [J ]., 2000, 6 (1) : 126. [ 6 ],,. [J ]., 1992, 7 (2) : [ 7 ],,. ph [J ]., 1994, 15 (1) : [ 8 ],,,. [J ]., 2005, 38 (9) : [ 9 ],,. [J ]., 2006, 25 (1) : [ 10 ],,,. [J ]., 2005, 21 (5) : [ 11 ],,. [J ]., 2005, 11 (4) : [ 12 ],,,. [J ]. :, 2005, 31 (2) : [ 13 ],,,. [J ]., 1993 (3) : 123. [ 14 ],,,. [J ]., 2004, 10 (1) : [ 15 ],,,. [J ]. :, 2004, 30 (1) : [ 16 ],,,. [J ]., 2005, 10 (3) : [ 17 ],,,. [J ]., 1995 (5) : [ 18 ],,,. [J ]., 1996, 11 (3) : [ 19 ]. [J ]., 1997 (3) : [ 20 ],,,. [J ]. :, 2005, 31 (1) : [ 21 ],,,. [J ]., 2006, 22 (1) : [ 22 ] L ayten D D. Tobacco p roduction, chem istry and techno logy[m ].,. :, 2003: [ 23 ],. [M ]. :, 1998: [ 24 ],. D PS [M ]. :, 2002: [ 25 ],,,. SPSS fo r W indow s[m ]. :, 1997: R esearch on relation sh ip s betw een neu tral arom a con stituen ts and sm ok ing resu lts of flue2cu red tobacco in Panx i tobacco2grow ing areas Y U J ian- jun 1, PANG Tian-he 1, J iao Gui-zhen 1, X IA L in 2,W U Ren- jun 2,L I X ia 2,L IU Y u- li 1, 3 (1 N ational T obacco Cu ltivation & P hy siology & B iochem istry R esearch Center, H eπnan A g ricu ltu ral U niversity, Z heng z hou, H eπnan , Ch ina; 2 S ichuan P rov ince T obacco Comp any, Cheng d u, S ichuan , Ch ina; 3 P engshui J iny i T obacco,l td., P engshui, Chongqing , China) Abstract: To research on quan titative relation s betw een neu tral arom a con stituen ts and smok ing resu lts of flue2cu red tobacco in Panx i tobacco2grow ing areas, the au tho rs carried ou t partial co rrelation ana lysis, p a th ana lysis and stepw ise reg ression ana lysis. T he resu lt s show ed tha t reg ression m odel of quality, concen tration and smok ing to tal sco res w ere estab lished, and all of their co rrelation w ere sign ifican t at 1% level. 25 k inds of rep resen tative neu tral arom a con stituen ts in flue2cu red tobacco had differen t direct influence on quality, concen tration and smok ing to tal sco reṡ 62m e252hep tene222dione from the degrading p roducts of caro tene had greatest direct po sitive influence on concen t ra t ion of a rom a. B enzvl a lcoho l from the deg rad ing p roduct s of hypog lycem ia com pound s had greatest direct negative influence on concen tration. 22acetyl fu ran from b row n ing reaction had greatest direct po sitive influence on quality. N eophytadiene had greatest direct negative influence on qua lity of a rom a. 22acetyl fu ran from b row n ing react ion had g rea test d irect po sit ive influence on smok ing to tal sco reṡ 62m e252hep tene222dione from the degrading p roducts of caro tene had greatest direct nega t ive influence on sm ok ing to ta l sco reṡ Bo th neryl acetone and benzofu ranone from the deg rad ing

6 82 ( ) 34 p roducts of caro tene had direct po sitive influence on quality, concen tration and smok ing to tal sco res. 2, 42hendiene2al and 62m e222dione from the degrading p roducts of caro tene had direct negative influence on quality, concen tration and smok ing to tal sco res. It p roves that arom a componen ts that are good fo r smok ing cou ld be imp roved by regu lating the modu lation condition s. T he arom a componen ts that are bad fo r smok ing shou ld be reduced po ssib ly. Key words: flue2cu red tobacco; neu tral arom a con stituen t; smok ing resu lt; step2w ise linear regression; partial co rrelation analysis; path analysis (76 ) Abstract ID: (2006) CA D evelopm en t of new w heat varieties and new germ p lasm w ith disease resistance by tran sferring alien genes in to comm on w heat REN Zh i- long,w ANG Chang-you, ZHANG Hong, CA ID ong-m ing, W ANG Ya- juan,w ANG Qiu-y ing, XUE X iu-zhuang, J IW an-quan (Colleg e of A g ronomy,n orthw est A & F U niversity, Y ang ling, S haanx i , Ch ina) Abstract: N ew germ p la sm (N 9207, N 9209, N 9134, N 9628 and N 9659) resistan t to st rip e ru st o r pow dery m ildew and new w heat cu ltivars (Shaanm ai 8003, Shaanm ai 8007, Shaanm ai 150, and Yuanfeng 175) resistan t to st rip e ru st w ere b red by t ran sferring a lien resistance gene ( s ) from T h inopy ron in term ed ium, S eca le cerea l, T rticum d icoccoid es, H ay na ld ia v illosa and A eg ilop s um bellu la ta in to common w heaṫ By cro ssing comm ercial w heat varieties w ith developed germp lsam resistan t to disease. Shaanm ai 139, a noodle w heat strain w ith disease resistance, h igh yield, good quality, and adap tab ility, w as b red by pyram iding desirab le genes. Key words: common w heat; alien gene (s) ; germp lasm w ith disease resistance