为探寻黑龙港地区超晚播节水栽培条件下冬小麦的适宜品种，采用大穗型（潍麦8号）、小穗型（衡水4399）和中间穗型（济麦22）3种不同类型品种连续3年进行大田试验，研究了不同穗型品种的花后光合特性和籽粒灌浆特征。结果表明，在超晚播栽培下，不同品种产量的差异主要是千粒重的差异；3个品种中济麦22千粒重和产量均最高，主要是由于灌浆持续期特别是活跃灌浆期较长、灌浆后期的灌浆速率较高所致。与潍麦8号和衡水4399比较，济麦22在灌浆后期不仅具有较高的光截获率，还具有较高的叶片光合活性，这是其灌浆期较长、后期灌浆速率较高的主要原因。因此，中间穗型品种济麦22是黑龙港地区超晚播节水高产栽培的适宜品种。
To select a suitable winter wheat cultivar under extremely-late sown and limited irrigation conditions in the heilonggang region, a 3 year field experiment is conducted using three cultivars varying in spike types:the large spike cultivar Weimai 8, the small spike cultivar Hengshui4399, and the medium spike cultivar Jimai 22. Characteristics of photosynthesis post-anthesis and dynamic of grainfilling are investigated for these extremely-late sown wheat cultivars. Results show that the yield differences among the cultivars are mainly due to the differences in the 1000 grain weight (TGW), with the Jimai 22 having the highest TGW and yield. Comparing with the Weimai 8 and the Hengshui 4399, the higher TGW of the Jimai 22 comes largely from the longer grain-filling period, especially, the active grainfilling period, and the higher grain-filling rate in the late grain-filling stages, closely associated with the higher light interception rate and photosynthetic rate. Thus, the medium spike cultivar Jimia 22 is a suitable cultivar under extremely-late sown and limited irrigation conditions in the heilonggang region.
[1] Sun H Y, Zhang X Y, Wang E L, et al. Quantifying the impact of irriga-tion on groundwater reserve and crop production:A case study in the North China Plain[J]. European Journal of Agronomy, 2015, 70(1):48-56.
[2] Zhang Y P, Zhang Y H, Wang Z M, et al. Characteristics of canopy structure and contributions of non-leaf organs to yield in winter wheat under different irrigated conditions[J]. Field Crops Research, 2011, 123(3):187-195.
[3] Li Q Y, Yin J, Liu W D, et al. Determination of optimum growing de-gree-days (GDD) range before winter for wheat cultivars with different growth characteristics in North China Plain[J]. Journal of Integrative Ag-riculture, 2012, 11(3):405-415.
[4] 王志敏, 王璞, 李绪厚, 等。冬小麦节水省肥高产简化栽培理论与技术[J]. 中国农业科技导报, 2006, 8(5):38-44. Wang Zhimin, Wang Pu, Li Xuhou, et al. Principle and technology of water-saving, fertilizer-saving, high-yielding and simple cultivation in winter wheat[J]. Journal of Agricultural Science and Techology, 2006, 8(5):38-44.
[5] Wang B, Zhang Y H, Hao B Z, et al. Grain yield and water use efficien-cy in extremely-late sown winter wheat cultivars under two irrigation re-gimes in the north China plain[J]. PLoS One, 2016, 11(4):e0153695.
[6] Sun H, Shao L, Chen S, et al. Effects of sowing time and rate on crop growth and radiation use efficiency of winter wheat in the North China Plain[J]. Industrial Crops & Products, 2013, 7(2):117-138.
[7] Lu D, Lu F, Pan J, et al. The effects of cultivar and nitrogen manage-ment on wheat yield and nitrogen use efficiency in the North China Plain[J]. Field Crops Research, 2014(17):157-164.
[8] Fang Y, Xu B C, Turner N C, et al. Grain yield dry matter accumula-tion and remobilization and root respiration in winter wheat as affected by seeding rate and root pruning[J]. European Journal of Agronomy, 2010, 33(4):257-266.
[9] 王瑞霞, 张秀英, 伍玲, 等. 不同生态环境条件下小麦籽粒灌浆速率及千粒重QTL分析[J]. 作物学报, 2008, 34(10):1750-1756. Wang Ruixia, Zhang Xiuying, Wu Ling, et al. QTL mapping for grain filling rate and thousand-grain weight in different ecological environ-ments in wheat[J]. Acta Agronomica Sinica, 2008, 34(10):1750-1756.
[10] 冯素伟, 胡铁柱, 李淦, 等. 不同小麦品种籽粒灌浆特性分析[J]. 麦类作物学报, 2009, 29(4):643-646. Feng Suwei, Hu Tiezhu Li Gan, et al. Analysis on grain filling char-ac-teristics of different wheat varieties[J]. Journal of Triticeae Crops, 2009, 29(4):643-646.
[11] 翟利剑. 春小麦群体库的形成及其特性分析[J]. 麦类作物学报, 2003, 23(2):60-64. Zhai Lijian. Formation and charac teristics of population sink in spring wheat[J]. Journal of Triticeae Crops, 2003, 23(2):60-64.
[12] Genty B, Briantais J M, Baker N R. The relationship between the quantum yield of photosynthetic electron transport and quenching of chlorophyll fluorescence[J]. Biochimica et Biophysica Acta (BBA)-General Subjects, 1989, 990(1):87-92.
