ZHANG Jing-tao,ZHENG Dian-feng,SHEN Xiao-hui,et al.Soybean Population Growth Dynamic under the Super-high Yield Cultivation Mode with Narrow Row and Dense Seeded Semi-dwarf Cultivar[J].Soybean Science,2009,28(05):842-845.[doi:10.11861/j.issn.1000-9841.2009.05.0842]
半矮秆大豆窄行密植超高产生长发育动态研究
- Title:
- Soybean Population Growth Dynamic under the Super-high Yield Cultivation Mode with Narrow Row and Dense Seeded Semi-dwarf Cultivar
- 文章编号:
- 1000-9841(2009)05-0842-04
- Keywords:
- Semi-warf soybean; Narrow row planting; Super yield; Dynamic growth
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 为探索寒地超高产大豆生长发育及产量形成机理,采用3个基因型品种,2种栽培模式,共设3个处理研究半矮秆大豆窄行密植超高产生长发育动态。结果表明:在窄行、密植、高肥水条件下,B45处理由于采用半矮秆品种,尽管单株干物重、叶面积显著低于对照,但群体干物重显著增加,LAI早于G70对照8 d达到峰值,最高为8.081,在8月11日前LAI长时间保持在7.0以上,各生育时期叶绿素含量、净光合速率明显高于对照,均为光合产物积累及4 895.7 kg.hm-2的产量形成奠定了基础;Z45处理虽然选用亚有限秆强品种,随着密度增加倒伏严重;G70处理应用高秆品种稀植栽培,个体发育较好,但群体性状较差
- Abstract:
- In order to clarify the mechanism of the growth and development of the super yield soybean in the cold region,Field experiments were conducted with three cultivation patterns,they were B45(semi-dwarf variety He 98-1667 planted with row space of 45 cm and density of 41.5×104plants.ha-1),G70(tall stalk variety Longxuan 1 planted with row space of 70 cm and density of 30.5×104plants.ha-1,CK1) and Z45(middle short stalk variety Kenfeng 16 planted with row space of 45 cm and density of 18.8×104plants.hm-2,CK2).In the condition of the narrow row,dense seeded and high fertilizer and water supplement,the individual plant of B45 treatment was lower in term of the plant height,dry matter weight and the leaf area comparing with Z45 and G70.However,the population dry matter weight of B45 was significantly higher than CK.B45 treatment had highest LAI of 8.081 and the peak value appeared 8 days earlier than G70.Long period of higher LAI was observed in B45 treatment.The chlorophyll content,net photosynthetic rate of B45 was superior to CK at various growth stages,which laid the foundation for the high yield of 4895.7 kgha-1.For Z45 treatment,serious lodging was taking place with higher planting population and semi-determinate soybean cultivar.For G70 treatment,the individual plant was well developed,while had poor population performance for the lower planting population.
参考文献/References:
[1] Cooper R L.High-yield-system-in-place(HYSIP) concept for soybean production[J].Journal of Production Agriculture (USA),1989,2:312-324.
相似文献/References:
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备注/Memo
基金项目:国家外国专家局引智资助项目(Y20072300051);黑龙江省国际合作资助项目(WB08C07)。