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以陆地棉早熟品种中棉14、中熟品种苏棉4号和泗棉2号为材料,研究了麦后移栽棉不同开花期棉铃内干物质积累分配的特点:麦后移栽棉棉铃各部分干物质积累比一熟棉和麦套棉时间长,并随开花期的推迟,干物质积累高峰期相应推迟。早熟品种干物质积累和运转比中熟品种快1～2周。后期低温影响铃壳养分向子棉输送,尤其对种子的影响更为严重。因此,麦后移栽棉在生产上更应强调早发、早熟、争高产优质。
The cotton cultivars Zhongmian14, Zhongshuang Sumai4 and Simian2 were used to study the characteristics of dry matter accumulation and distribution in cotton bolls at different flowering stages after transplanting of wheat: Some dry matter accumulation was longer than that of first-maturity cotton and wheat-cotton, and with the postponement of flowering stage, the peak of dry matter accumulation delayed accordingly. Early maturing varieties of dry matter accumulation and operation faster than medium maturing varieties 1 to 2 weeks. Late low temperature affect the bell shell nutrients to the cotton transport, especially for the more serious impact on the seeds. Therefore, wheat transplanting cotton should be emphasized in the production of early onset, early maturity, strive for high yield and quality.