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作物学报 ›› 2007, Vol. 33 ›› Issue (11): 1828-1833.

• 研究论文 • 上一篇    下一篇

不同灌水处理对强筋小麦籽粒产量和蛋白质组分含量的影响

赵广才1;常旭虹1;刘利华1;杨玉双1;李振华2;周双月3;郭庆侠3;刘月洁3   

  1. 1中国农业科学院作物科学研究所,北京100081; 2河北省任丘市科学技术局,河北任丘062550; 3河北省任丘市农业局,河北任丘062550
  • 收稿日期:2007-01-22 修回日期:1900-01-01 出版日期:2007-11-12 网络出版日期:2007-11-12
  • 通讯作者: 赵广才

Grain Yield and Protein Components Responses to Irrigation in Strong Gluten Wheat

ZHAO Guang-Cai1,CHANG Xu-Hong1,LIU Li-Hua1,YANG Yu-Shuang1,LI Zhen-Hua2,ZHOU Shuang-Yue3,GUO Qing-Xia3,LIU Yue-Jie3   

  1. 1 Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081;2 Bureau of Science and Technology of Renqiu City, Renqiu 062250, Hebei; 2 Bureau of Agriculture of Renqiu City, Renqiu 062250, Hebei, China
  • Received:2007-01-22 Revised:1900-01-01 Published:2007-11-12 Published online:2007-11-12
  • Contact: ZHAO Guang-Cai

摘要: 在小麦全生育期降水47.9 mm的条件下,对7个强筋小麦品种,采用二因素裂区设计,研究了不同灌水处理对籽粒产量、蛋白质组分和沉降值的影响。结果表明,籽粒产量和千粒重均以春季灌3水(春2叶露尖、春5叶露尖和开花期分别灌水40 m3)处理最高,与灌1水(春5叶露尖灌水40 m3)处理差异显著。烟农19的产量最高,与其他品种差异显著。不同灌水处理对醇溶蛋白含量的影响较大,以灌3水处理最高,与灌1水和2水(春5叶露尖和开花期分别灌水40 m3)处理差异显著。不同品种各蛋白质组分差异均显著,品种间谷蛋白含量的变异系数最大。不同品种在不同灌水条件下均表现为谷蛋白含量>醇溶蛋白>清蛋白>球蛋白,其比例约为3.6∶2.7∶1.7∶1。不同灌水处理间沉降值差异不显著,品种间差异极显著。综合考虑小麦产量和品质,在本试验条件下,以春季灌3次水为宜。

关键词: 灌水, 强筋小麦, 籽粒产量, 蛋白质组分

Abstract:

Appropriate cultivation management avails high yield and good quality of crops, of which irrigation plays very important role. The effects of water to the grain yield and quality of wheat (Triticum aestivum L.) were not identical upon different experiments corresponding to soil and fertilizer condition, rainfall, the frequency, quantity, and period of irrigation, and cultivar type. To study the effects of irrigation treatment on grain yield, protein components, and sedimentation, therefore, put forward water saving cultivation management in wheat production, we conducted a split plot design with 3 replicates under the fertilization level of 225 kg N ha-1 (50% basal and 50% top dressing), 172.5 kg P2O5 ha-1 (basal), and 90 kg K2O ha-1 (basal) in the Renqiu (Hebei province) experiment site of the Institute of Crop Sciences, Chinese Academy of Agricultural Sciences in 2005–2006 growth season. Four irrigation treatments (supplied 40 m3 water per irrigation) with frequency of 1 (A1), 2 (A2), 3 (A3), and 4 (A4) times and seven bread wheat cultivars (8901-11, Yumai 34, Yannong 19, Jimai 20, Wanmai 38, Shaan 253, and Linyou 145) with high gluten content were set as main and subsidiary factors, respectively. Only 47.9 mm rainfall was received during the whole growth period. The grain yield and thousand-grain weight of A3 treatment (irrigated at the 2nd and 5th leaves emergence and anthesis, respectively) were the highest, and significantly (P<0.05) higher than those of A1 treatment (irrigated at the 5th leaf emergence). Yannong 19 had the highest grain yield with significant difference (P<0.05) to other cultivars. The gliadin content was affected significantly (P<0.05) by irrigation, and gained the highest value in A3 treatment with significant difference (P<0.05) to A1 and A2 (irrigated at the 5th leaf emergence and anthesis, respectively) treatments. The average contents of the protein components and total protein were significantly different (P<0.05) and always showed glutenin > gliadin > albumin > globulin (ratio of 3.6:2.7:1.7:1) in different cultivars and irrigation treatments. The coefficients of variance (CV) of albumin, globulin, gliadin, and glutenin were 5.64%, 8.15%, 5.50%, and 11.14%, respectively, indicating glutenin content had the largest variance in the four protein components. The effects on sedimentation were significantly different (P<0.01) in cultivars, but not (P>0.05) in irrigation treatments. Considering yield and protein components, we suggest to irrigate 3 times at double ridge stage, pistil and stamen differentiation and anthesis for strong gluten wheat in dry growth conditions.

Key words: Irrigation, Strong gluten wheat, Grain yield, Protein component

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