种植密度对糜子产量的影响
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摘要
[目的]种植密度对糜子产量的影响。[方法]采用完全随机区组试验设计,以晋黍7号和岢岚黄糜子为材料,研究不同种植密度对糜子的分蘖数、叶绿素含量、光合速率、蒸腾速率、产量及其构成因素的影响。[结果]随着密度的增加,分蘖数呈降低趋势;在一定范围内随着密度的增加叶绿素含量呈降低趋势;晋黍7号和岢岚黄糜子在密度75万和105万/hm~2的处理下的蒸腾速率最大,随着密度的增加呈降低趋势;随着密度的增加,晋黍7号和岢岚黄糜子2个品种的单株穗重和单株粒重呈递减趋势;晋黍7号和岢岚黄糜子在90万/hm~2密度下的产量最大。[结论]在干旱半干旱地区,种植糜子的最适密度为90万/hm~2。
[Objective] To research the effects of planting density on yield of P. miliaceum.[Method] Completely randomized block trial was designed. With Jinli 7 and Kelanhuangmizi as the test materials, we researched the effects of planting density on the tiller number, chlorophyll content, photosynthetic rate, transpiration rate, yield and its components of P. miliaceum. [Result] With the increase of density, the tiller number showed a decreasing trend. Within a certain range, the chlorophyll content decreased with the increase of density. Transpiration rates of Jinshu 7 and Kelanhuangmizi were the maximum under the treatments 750 thousand and 1 050 thousand/hm~2, which reduced as the density enhanced. With increase of density, ear weight per plant and grain weight per plant of Jinshu 7 and Kelanhuangmizi decreased. Yields of Jnshu 7 and Kelanhuangmizi were the maximum under the density of 900 thousand/hm~2. [Conclusion] In arid and semi-arid regions, the optimal density for planting P. miliaceum is 900 thousand/hm~2.
[Objective] To research the effects of planting density on yield of P. miliaceum.[Method] Completely randomized block trial was designed. With Jinli 7 and Kelanhuangmizi as the test materials, we researched the effects of planting density on the tiller number, chlorophyll content, photosynthetic rate, transpiration rate, yield and its components of P. miliaceum. [Result] With the increase of density, the tiller number showed a decreasing trend. Within a certain range, the chlorophyll content decreased with the increase of density. Transpiration rates of Jinshu 7 and Kelanhuangmizi were the maximum under the treatments 750 thousand and 1 050 thousand/hm~2, which reduced as the density enhanced. With increase of density, ear weight per plant and grain weight per plant of Jinshu 7 and Kelanhuangmizi decreased. Yields of Jnshu 7 and Kelanhuangmizi were the maximum under the density of 900 thousand/hm~2. [Conclusion] In arid and semi-arid regions, the optimal density for planting P. miliaceum is 900 thousand/hm~2.
引文
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[2] 王彦丽,邱喜阳,朱云集,等.施氮量和施氮时期对冬小麦幼穗小花发育及产量的影响[J].西北农业学报,2011,20(7):82-87.
[3] 董剑,赵万春,陈其皎,等.陕西关中地区不同冬小麦品种晚播高产的适宜播期和密度[J].西北农业学报,2010,19(3):66-69.
[4] 王萍,陶丹,宋海星,等.品种、播期和密度对冬小麦生育期和产量的影响[J].沈阳农业大学学报,1999,30(6):602-605.
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[10] 潘洁,姜东,戴廷波,等.不同生态环境与播种期下小麦籽粒品质变异规律的研究[J].植物生态学报,2005,29(3):467-473.
[11] 王宇先,李清泉,刘玉涛,等.密度和施氮量对糜子产量及综合性状的影响[J].中国农学通报,2012,28(36):188-194.
[12] 王德慧,乔治军,盛晋华,等.种植密度对糜子生长发育及产量影响[J].干旱区资源与环境,2015,29(5):127-131.
[13] 马小凤,栾春荣,周振元,等.不同播期和播量对小麦生长发育的影响[J].安徽农学通报,2010,16(1):84-85.
[14] 李兴,史海滨,程满金,等.集雨补灌区谷子种植方式对产量及水分利用效率的影响[J].灌溉排水学报,2008,27(2):106-109.
[15] 梁秋霞,曹刚强,苏明杰,等.植物叶片衰老研究进展[J].中国农学通报,2006,22(8):282-285.
[16] 赵祥,董宽虎,赵垚,等.水分胁迫及复水对达乌里胡枝子光合特性的影响[J].草地学报,2011,19(4):584-590.
[17] 吴亚男,齐华,盛耀辉,等.密度、氮肥对春玉米光合特性、干物质积累及产量的影响[J].玉米科学,2011,19(5):124-127.
[18] 由海霞.不同密度小麦群体的光合作用特性研究[J].中国农学通报,2005,21(4):162-165.
[19] 张永丽,肖凯,李雁鸣.种植密度对杂种小麦 C6-38/Py85-1旗叶光合特性和产量的调控效应及其生理机制[J].作物学报,2005,31(4):498-505.
[20] 丰光,李妍妍,景希强,等.玉米不同种植密度对主要农艺性状和产量的影响[J].玉米科学,2011,19(1):109-111.
[21] 许章全,黄炳生,沈仲茂.春玉米密植定额和种植方式研究[J].作物学报,1964,3(3):229-245.
[2] 王彦丽,邱喜阳,朱云集,等.施氮量和施氮时期对冬小麦幼穗小花发育及产量的影响[J].西北农业学报,2011,20(7):82-87.
[3] 董剑,赵万春,陈其皎,等.陕西关中地区不同冬小麦品种晚播高产的适宜播期和密度[J].西北农业学报,2010,19(3):66-69.
[4] 王萍,陶丹,宋海星,等.品种、播期和密度对冬小麦生育期和产量的影响[J].沈阳农业大学学报,1999,30(6):602-605.
[5] TETIO-KAGHO F,GARDNER F P.Responses of maize to plant population density:I.Canopy development,light relationships,and vegetative growth[J].Agron J,1988,80(6):930-935.
[6] TETIO-KAGHO F,GARDNER F P.Responses of maize to plant population density:II.Reproductive development,yield,and yield adjustments[J].Agron J,1988,80(6):935-940.
[7] 徐庆章,王庆成,朱玉贞,等.玉米株型与群体光合作用的关系研究[J].作物学报,1995,21(4):492-496.
[8] SHEN X Y,DAI J Y,HU A C,et al.Studies on relationship among character of canopy light interception and yield in maize populations (Zea mays L.)[J].Acta agronomica sinica,1993,19(3):246-252.
[9] 赵永萍,张保军,张正茂,等.种植密度对冬小麦产量及其构成因素的影响[J].西北农业学报,2009,18(6):107-111.
[10] 潘洁,姜东,戴廷波,等.不同生态环境与播种期下小麦籽粒品质变异规律的研究[J].植物生态学报,2005,29(3):467-473.
[11] 王宇先,李清泉,刘玉涛,等.密度和施氮量对糜子产量及综合性状的影响[J].中国农学通报,2012,28(36):188-194.
[12] 王德慧,乔治军,盛晋华,等.种植密度对糜子生长发育及产量影响[J].干旱区资源与环境,2015,29(5):127-131.
[13] 马小凤,栾春荣,周振元,等.不同播期和播量对小麦生长发育的影响[J].安徽农学通报,2010,16(1):84-85.
[14] 李兴,史海滨,程满金,等.集雨补灌区谷子种植方式对产量及水分利用效率的影响[J].灌溉排水学报,2008,27(2):106-109.
[15] 梁秋霞,曹刚强,苏明杰,等.植物叶片衰老研究进展[J].中国农学通报,2006,22(8):282-285.
[16] 赵祥,董宽虎,赵垚,等.水分胁迫及复水对达乌里胡枝子光合特性的影响[J].草地学报,2011,19(4):584-590.
[17] 吴亚男,齐华,盛耀辉,等.密度、氮肥对春玉米光合特性、干物质积累及产量的影响[J].玉米科学,2011,19(5):124-127.
[18] 由海霞.不同密度小麦群体的光合作用特性研究[J].中国农学通报,2005,21(4):162-165.
[19] 张永丽,肖凯,李雁鸣.种植密度对杂种小麦 C6-38/Py85-1旗叶光合特性和产量的调控效应及其生理机制[J].作物学报,2005,31(4):498-505.
[20] 丰光,李妍妍,景希强,等.玉米不同种植密度对主要农艺性状和产量的影响[J].玉米科学,2011,19(1):109-111.
[21] 许章全,黄炳生,沈仲茂.春玉米密植定额和种植方式研究[J].作物学报,1964,3(3):229-245.
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