北疆棉区增效缩节胺应用剂量对棉花农艺和经济性状的影响
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摘要
【目的】研究增效缩节胺(DPC~+)应用剂量对北疆早熟棉花农艺及经济性状的影响,为大田应用DPC~+进行化学封顶提供依据。【方法】以"新陆早53号"为材料,设置450、750、1050 mL/hm~(2 ) 3个处理,研究了不同剂量DPC~+对棉花株高、果枝台数、产量性状和纤维品质的影响。【结果】与对照相比,随DPC~+剂量增加,株高和果枝台数均呈现降低趋势,但单株结铃有增加趋势,单铃重有降低趋势,各处理间纤维品质的差异不大。综合来看,中剂量750 mL/hm~(2 )处理籽棉产量和皮棉产量最高。【结论】生产中可根据棉花长势,在中剂量的基础上,适当调整DPC~+用量,保证效益收益,持续提升棉花简化栽培的潜力。
【Objective】This paper studied the effects of DPC~+application on the agronomic and economic traits of early maturing cotton in northern Xinjiang to provide the basis for application of DPC~+ chemical capping under field conditions.【Method】‘Xinluzao 53'was used as the experimental material, and 3 different doses of DPC~+treatments(450, 750 and 1050 mL·hm~2) were set to investigate the effects on cotton plant height, number of fruit branches, yield traits and fiber quality. 【Result】Compared with the control treatment, the plant height and the number of fruiting branches showed a decreasing trend, but the number of bolls per plant showed an increasing trend, and the weight of single bolls showed a decreasing trend with the increase of DPC~+ dose. The difference in fiber quality is not significant between the treatments. Taken together, the cotton had the highest seed yield and lint yield under the medium-dose of 750 mL/hm~2 treatment. 【Conclusion】 In production, we can adjust the amount of DPC~+ on the basis of moderate doses according to the growing trend of cotton to ensure the benefits and increase the potential for cotton cultivation.
【Objective】This paper studied the effects of DPC~+application on the agronomic and economic traits of early maturing cotton in northern Xinjiang to provide the basis for application of DPC~+ chemical capping under field conditions.【Method】‘Xinluzao 53'was used as the experimental material, and 3 different doses of DPC~+treatments(450, 750 and 1050 mL·hm~2) were set to investigate the effects on cotton plant height, number of fruit branches, yield traits and fiber quality. 【Result】Compared with the control treatment, the plant height and the number of fruiting branches showed a decreasing trend, but the number of bolls per plant showed an increasing trend, and the weight of single bolls showed a decreasing trend with the increase of DPC~+ dose. The difference in fiber quality is not significant between the treatments. Taken together, the cotton had the highest seed yield and lint yield under the medium-dose of 750 mL/hm~2 treatment. 【Conclusion】 In production, we can adjust the amount of DPC~+ on the basis of moderate doses according to the growing trend of cotton to ensure the benefits and increase the potential for cotton cultivation.
引文
[1]董合忠,李维江,李振怀,等. 棉花营养枝利用的研究[J]. 棉花学报,2003,15(5):313-317.
[2]刘仙若. 棉花氟节胺化学打顶与人工打顶产量对比分析[J]. 新疆农垦科技,2013(6):9-11.
[3]董恒义,王刚,安刚,等. 棉花新型化学打顶剂试验效果[J]. 中国棉花,2015,42(4):31-32.
[4]王刚,张鑫,陈兵,等. 新疆第七师130团土优塔棉花化学打顶剂效果试验研究[J]. 安徽农业科学,2015,43(33): 67-68.
[5]叶春秀,庄振刚,李有忠,等. 北疆早熟陆地棉化学打顶效果研究[J]. 西北农业学报,2015,24(1):91-96.
[6]袁青峰,郑新疆,张静,等. 化学打顶对棉花生长发育和产量的影响[J]. 江苏农业科学,2015,43(5):72-74.
[7]赵强,周春江,张巨松,等. 化学打顶对南疆棉花农艺和经济性状的影响[J]. 棉花学报,2011b,23(4):329-333.
[2]刘仙若. 棉花氟节胺化学打顶与人工打顶产量对比分析[J]. 新疆农垦科技,2013(6):9-11.
[3]董恒义,王刚,安刚,等. 棉花新型化学打顶剂试验效果[J]. 中国棉花,2015,42(4):31-32.
[4]王刚,张鑫,陈兵,等. 新疆第七师130团土优塔棉花化学打顶剂效果试验研究[J]. 安徽农业科学,2015,43(33): 67-68.
[5]叶春秀,庄振刚,李有忠,等. 北疆早熟陆地棉化学打顶效果研究[J]. 西北农业学报,2015,24(1):91-96.
[6]袁青峰,郑新疆,张静,等. 化学打顶对棉花生长发育和产量的影响[J]. 江苏农业科学,2015,43(5):72-74.
[7]赵强,周春江,张巨松,等. 化学打顶对南疆棉花农艺和经济性状的影响[J]. 棉花学报,2011b,23(4):329-333.