有机肥对强筋和中筋小麦籽粒产量及淀粉组成的影响

Effects of Organic Manure on Grain Yield and Starch Components of Strong-gluten and Medium Strong-gluten Winter Wheat Cultivars

为给有机肥在小麦高产和淀粉品质调优栽培中的应用提供理论依据，2007-2008年度在盆栽条件下以强筋类型郑麦9023和中筋类型豫麦49—198两种冬小麦为供试材料，研究增施有机肥对两种冬小麦品种产量与籽粒淀粉组成的影响．结果表明，增施有机肥处理提高了两种冬小麦品种的单位面积成穗数、千粒重和产量；同时提高了籽粒中直链淀粉含量，降低了支链淀粉和淀粉支／直比例；降低了淀粉粒总量，且B型淀粉数量与体积减小明显．在本试验条件下，增施有机肥处理有利于强筋和中筋冬小麦品种的产量的提高，但不利于这两类小麦淀粉品质的改善．

In order to provide basic theory for organic manure to improve grain yield and starch components of winter wheat,the pot culture experiments are carried out in the growth season of 2007-2008. Two winter wheat cultivars are used in these experiments. Zhengmai 9023 and Yumai 49-198 referred to strong-gluten and medium strong-gluten eultiver, respectively. Grain yield, starch content and components, and starch granules in the two winter wheat cultivars are determined. The results show that：firstly,number of spike, 1000-grains weight and grain yield total starch yield are increased significantly in the treatment of organic manure. Secondly, except for the amylose content is higher in the treatment of organic manure than the control, for the two winter wheat cultivars, the amylopectin content and the ratio of amylopectin/amylose are lower. Furthermore, the treatment with organic manure application could produce less starch granules （especially for type B starch granules ）and smaller type B starch granules in grains. Under the experimental conditions, organic manure have good regulative effects to improve grain yield,but it leads to starch quality worse for both Zhengmai 9023 and Yumai 49-198.