YAN Feng.Effects of Planting Density on Lodging Resistance and Yield of Foxtail Millet[J].HEILONGJIANG AGRICULTURAL SCIENCES,2022,(09):37-40.[doi:10.11942/j.issn1002-2767.2022.09.0037]
种植密度对谷子抗倒性及产量的影响
- Title:
- Effects of Planting Density on Lodging Resistance and Yield of Foxtail Millet
- Keywords:
- density; foxtail millet; photosynthetic index; yield; lodging resistance
- 文献标志码:
- A
- 摘要:
- 为了研究密度与谷子茎秆特性、产量性状及光合指标的关系,并明确黑龙江省谷子的适宜种植密度,以嫩选18为试验材料,通过设置30万,40万,50万和60万株·hm-2共4个种植密度,系统研究了不同种植密度下谷子嫩选18茎秆特性、抗倒伏性、光合指标及产量构成的变化。结果表明,不同密度处理之间谷子茎节数和茎鲜重没有显著差异;随密度增加,植株节间长度、株高、重心高度、茎秆倒伏指数呈上升趋势;茎粗、茎秆弯折力、光合指标显著下降;产量随着密度增加呈先升高后下降的趋势,在密度为50万株·hm-2时产量最高,达6 4250 kg·hm-2。说明适当提高种植密度可以获得高产,但加剧了植株个体对资源的争夺,导致单株生长受到限制且加大了倒伏风险。
- Abstract:
- In order to study the relationship between density and stalk characteristics, yield traits and photosynthetic indexes of foxtail millet, and to determine the suitable planting density of millet in Heilongjiang Province,we used Nenxuan 18 as experimental materials and set four planting densities(3×105,4×105,5×105and 6×105 plant·ha-1)in this study.The change of stalk characteristics,lodging resistance,photosynthetic and yield characteristics of foxtail millet were studied. The results suggested that node numbers of stem,fresh weight of stem showed no significant difference among four planting densities. With the increase of density, the internode length, plant height, barycentre height and lodging index of plants increased, diameter of stem,bending force of stem and photosynthetic index decreased significantly;The yield first increased and then decreased with the increase of density, and the highest yield was 6 425.0 kg·ha-1 when the density was 5×105 plant·ha-1.It showed that high yield can be obtained by properly increasing planting density, but it intensifies the competition of individual plants for resources, which leads to the limitation of single plant growth and increases the risk of lodging.
参考文献/References:
[1]李荫梅.谷子育种学[M].北京:中国农业出版社,1997.
相似文献/References:
[1]邸树峰,孟英.哈尔滨地区稻鸭共作试验研究初报[J].黑龙江农业科学,2013,(02):26.
DI Shu-feng,MENG Ying.Research Report of Rice-Duck Farming Test in Harbin[J].HEILONGJIANG AGRICULTURAL SCIENCES,2013,(09):26.
[2]徐丽珍,赵 茜,万国伟.密度和品种及生长调节剂对籽用南瓜产质量的影响[J].黑龙江农业科学,2012,(01):37.
XU Li-zhen,ZHAO Qian,WAN Guo-wei.Effects of Density,Varieties and Growth Regulator on Yield and Quality of Seeds-Used Pumpkin[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(09):37.
[3]王宇先,李 明,刘玉涛,等.半干旱区密度对郑单958产量及干物质积累的影响[J].黑龙江农业科学,2012,(06):29.
WANG Yu-xian,LI Ming,LIU Yu-tao,et al.Effect of Planting Density on the Yield and Dry Matter Accumulation of Zhengdan958 in Semi-arid Region[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(09):29.
[4]刘学俭,张宝龙,张长勇,等.种植密度对青贮玉米高油106产量及品质的影响[J].黑龙江农业科学,2012,(02):32.
LIU Xue-jian,ZHANG Bao-long,ZHANG Chang-yong,et al.Effects of Different Densities on Yield and Quality of Silage Maize Gaoyou106[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(09):32.
[5]张武,李宝华,李红鹏,等.黑河地区大豆胞囊线虫种群密度的研究[J].黑龙江农业科学,2012,(05):57.
ZHANG Wu,LI Bao-hua,LI Hong-peng,et al.Density of Soybean Cyst Nematode andPopulation Density in Heihe Area[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(09):57.
[6]杨慧莹,刘玉涛,王宇先,等.谷子精量穴播高产栽培及精深加工前景[J].黑龙江农业科学,2012,(07):32.
YANG Hui-ying,LIU Yu-tao,WANG Yu-xian,et al.High-yield Cultivated of Precision Sow with Dibbleand the Prospects for Deep Processing of Millet[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(09):32.
[7]王 昱,范杰英,王 玮,等.不同密度对大豆生理特性的影响[J].黑龙江农业科学,2012,(08):38.
WANG Yu,FAN Jie-ying,WANG Wei,et al.Effect of Different Density on the Soybean Physiological Characteristics[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(09):38.
[8]张崎峰.玉米边单3号栽培密度和施氮量研究[J].黑龙江农业科学,2011,(04):35.
ZHANG Qi-feng.Study on Planting Density and Nitrogen Applicationof Maize Variety Biandan No.3[J].HEILONGJIANG AGRICULTURAL SCIENCES,2011,(09):35.
[9]申晓慧.密度和播期对合农63大豆产量及产量性状的影响[J].黑龙江农业科学,2012,(08):44.
SHEN Xiao-hui.Effect of Density and Sowing Date on Yield and Yield Characters of Soybean Variety Henong 63[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(09):44.
[10]陈海军.不同种植密度对早熟玉米新品种边单3号产量和农艺性状的影响[J].黑龙江农业科学,2011,(03):35.
CHEN Hai-jun.Effect of Different Density on the Yield and Agronomic Traitof New Varieties of Early Maturing Maize Biandan No.3[J].HEILONGJIANG AGRICULTURAL SCIENCES,2011,(09):35.
备注/Memo
收稿日期:2022-05-10