EFFECTS OF TILLAGE IN FALLOW PERIOD AND SOWING METHODS ON WATER STORAGE AND GRAIN PROTEIN ACCUMULATION OF DRYLAND WHEAT

文献类型： 外文期刊

第一作者： Deng, Yan

作者： Deng, Yan;Deng, Yan;Sun, Min;Gao, Zhiqiang;Zhao, Hongmei;Ren, Aixia;Li, Guang;Yang, Zhenping;Zong, Yuzhen

作者机构：

关键词： Deep plowing;subsoiling;film mulch;soil moisture;protein content

期刊名称：PAKISTAN JOURNAL OF AGRICULTURAL SCIENCES （ 影响因子：0.748； 五年影响因子：0.854 ）

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收录情况： SCI

摘要： This study aimed to investigate the effect of deep plowing (DP) and subsoiling (SS) in fallow period combined with film mulch sowing in drill (FM-DS) in growth period on dryland wheat. A field study was conducted at Wenxi experimental site of Shanxi Agricultural University. Soil water storage, grain protein content, and the activity of key enzymes in nitrogen metabolism in flag leaves were determined. Compared with no-tillage (CK), DP and SS significantly increased water storage (P<0.05). Similar result was observed by FM-DS when compared with drill sowing (DS) (P<0.05). DP combined with FM-DS worked the best. Generally, the contents of albumin, gliadin and glutenin in spikelets were also significantly increased in DP and SS, especially in DP, when compared with CK (P<0.05). In addition, the glutamine synthetase (GS) activity was enhanced while the glutamate dehydrogenase (GDH) activity was reduced in DP and SS (P<0.05), and DP worked better than SS. The contents of gliadin, glutenin, and total protein in all spikelets as well as glutenin/gliadin (glu/gli) in central spikelets and basal spikelets were higher in FM-DS than in DS (P<0.05). In conclusion, DP combined with FM-DS was the best strategy for water storage and the yield and quality of dryland wheat.

分类号： S

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