Regula tion Effect of Cultiva ted M ea sures on Gra in Y ield and Bak ing Qua l ity in Bread W hea t

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1 28 6 V ol. 28, N o A CTA A GRONOM ICA S IN ICA pp N ov., 2002 Ξ ( 1, ; 2, ), :,,,,,,,,,,,, ; ; ; : S512 : A Regula tion Effect of Cultiva ted M ea sures on Gra in Y ield and Bak ing Qua l ity in Bread W hea t ZHAO Guang2Cai 1 H E Zhong2H u 1 WAN G D e2sen 1 ZHAN G Yan 1 ZHOU Gui2Ying 1 TAN G X iu2w ei 2 L IU H ui2m ian 2 ( 1 Institute of C rop B reed ing and Cultivation, CA A S, B eij ing ; 2 A g ricultural A dm inistration of B aod i County T ianj in C ity, B aod i , China) AbstractT he experim ents of fertilizer, w ater and chem ical regulation on grain yield and bak ing quality in h igh quality bread w heat, show ed the m ain result that the treatm ent of fertilizer and w ater w ere important to grain yield and quality. In the conditions of sam e nitrogen app lication and w atering, the grain yield, p rotein content, w et gluten content, sedim entation, stability and bread volum e w ere increased w ith nitrogen app lication at late grow th stage and heavy dressing at elongation stage. T he grain yield w as increased but the p rotein content and bread volum e w ere decreased w ith increasing the w atering tim eṡ Foliage sp raying p roperly Zhuangfeng could decrease the p lant heigh t, p revent lodging. M oreover, it m ainly resulted in shortened internode under the rach is internode, w ith form ing good p lant shape, and increasing the num ber of ear bearing tiller, but decreasing the per ear grain num beṙ In the moderate condition of soil fertility, increasing nitrogen app lication could raise effectively the grain yield, how ever, increasing either n itrogen o r pho sphate app lication cou ld raise the b read volum e and bread score. Key wordscultivated m easure; B read w heat; Grain yield; Bak ing quality,,,, [ 15 ] [ 68 ],,, Ξ : ( ) (199906) : (19512),,, Received on ( ) : , A ccep ted on ( ) :

2 kgghm 2, A kgghm 2, A kgghm 2 ; B, B 1 P 2O kgghm 2, B kgghm 2, B kgg 1 hm 2 ; C, C 1 K2O 150 kgg 1. 1 hm 2, C kgghm 2, C kgghm 2 ; D , D 1, D 2, 9507,, 150 g, D 3, 1, 600 ml 2 hm 2, m 2,, kg, P 2O kg, K 2O 84 kg ghm , 6 ( 1) 66 m 2,,,, ghm 2 4, 3, A, A 1 code T im e of w atering 1 Table 1 The design of different treatment of watering and topdressing 2 ZGS F1 2 urea 180 kgghm 2 (kgghm 2 ) T im e of w atering and quantity of topdressing 5 ZGS 19, 26, 3233 urea 180 kgghm 2 F2 2 F3 3 urea 180 kgghm 2 urea 270 kgghm 2 urea 180 kgghm 2 F4 3 F5 4 urea 180 kgghm 2 F6 4 urea 270 kgghm 2 urea 180 kgghm 2 urea 270 kgghm 2 ZGS 61 urea 90 kgghm 2 urea 90 kgghm 2 ZGS: Zadoks Grow th Stage Table 2 The design of 4 factor 3 level treatment code Factor A B C D H H H H H H H H H urea 90 kgghm ZGS 73 : 500,, 2 ( < 0. 5g) : (GB135178), H GT : (N IR ) : Falling N um ber 2200 AA CC38212 : B rabender,

3 6 : 799 AA CC56263 ZEL EN Y F5F6, : B rabender, F6,,, AA CC54221 : AA CC ,, 24, 3,, 2,, 5 F2 F1,,,,,, F3 F1, 2, 3,, F3 F4, 2, F4 F3,, 2. 2 ( % ),,, 4,, F4 F2,, F4 F2, 2, F5F3 F1 (F2) 2,, F5 F3 F1, F 5 F 3, P rotein (% ),,, F6 F4F2F3F5F1,,, T reat2 m ent 3 Table 3 Effects of fertil izer and water on plant character and gra in yield (g) P lant W eight Test Grain N um berg height g1000 w eight yield ear (cm ) grain (ggl ) (kgghm 2 ) F c C F ab AB F b ABC F ab AB F b BC F a A (F1F2), 4 Table 4 Effect of fertil izer and water on wheat qual ity Sedim entation (ml ) W et gluten (% ) Stability (m in) F ab ab F a a F b c F ab bc F b bc F ab bc B read volum e (cm 3 ) (F1F3F5) 3, F4 F3, 4 2 F1 3 F3 4 F5 (F5F6), F6 F5 ; F2F4F6, 2,, F2 3 F4 4 F6,, 3 (F3F4),

4 ,,,, F3 F4,,,,,,, F6 F5,,,,,, A 2 A 3 A 1, ,,,,, cm, P lant height (cm ), (D 1 D 3) 5 Table 5 Effects of different treatment on plant character and gra in yield Ear (10 4 ghm 2 ) N um ber gear W eightg1000 grain (g) Test w eight (ggl ) Grain yield (kgghm 2 ) A a bb A a aa A a aa B a a B a a B a a C a a C a a C a a D aa b D aa a D bb b 6,,,,, 2, 3,, 6 (cm) Table 6 Effect of chem ical regulation on ma in stem height and internode length P lant height Internode length D A D A D b ,, 2. 4 (7),, 7 A 3 A %, A %,, A 3 A 2 A 1, B 3B 2

5 6 : 801 (cm 3 ) B read volum e 7 Table 7 Comparison of different treatment on bread baking qual ity B read score (cm 3 ) B read volum e B read score A c b b B C1 776 a a A A b A b a A C2 768 a a A A a A a A C3 757 a a A B1 750 b B b B D a a A B2 764 ab AB b B D a b A B3 788 a A a A D a a A,, B 1 Singh, A K (2000) [ 10 ],,, Β2, 3. 3, 3,,, 3. 1,, cm,,,,,,, (2000) [ 9 ],,,,,,,,,,,,,,,, 9507,,,,, 3 ;,,, 2, ( ), 3. 4,,,,,,, 3. 2,,,, Singh, A K (2000) [ 10 ] [ 5, (1998) ],, Β2,,,,,,,,,,,,,,, References,, [ 1 ]Zhang J2X ( ), L iu X2S ( ). L eaf Stage index

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