Xu HaibingZang FuningYang JiayingXie Yiaqing.A STUDY OF PHYSIOLGICAL BASES SUMMER FORHIGH- YIELD ON THE SOYBEAN VARIETY "HUAIDOU 4"[J].Soybean Science,1999,18(03):243-247.[doi:10.11861/j.issn.1000-9841.1999.03.0243]
夏大豆淮豆4号高产栽培的生理基础
- Title:
- A STUDY OF PHYSIOLGICAL BASES SUMMER FORHIGH- YIELD ON THE SOYBEAN VARIETY "HUAIDOU 4"
- 文献标志码:
- A
- 摘要:
- 采用混杂设计研究淮豆4号在播期、密度、施肥三因素不同水平下,产量结构、叶面积系数及干物质积累分配情况,探索出200kg /亩以上高产栽培的合理生理指标: 叶面积指数分枝期(V8 ) 2. 0- 2. 1,在开花盛期达到最高4. 1- 5. 0,然后缓慢下降,并维持在3. 5- 4. 2之间,干物质积累与分配应是源多库足,分枝2. 8- 3. 5个,单株结荚30个左右,每荚粒数以2. 2为宜,百粒重22g 以上。相应栽培模式是: 6月上中旬适时早播,密度每亩1. 75万,初花期追尿素4kg /亩,后期根外追肥防早衰,提高百粒重。
- Abstract:
- Ef fect of compomnent of yield, LAI, dry mat ter w eig ht , f low er and po d w eigh t onthe so ybean va riety " Huaido u 4" w ere studied under dif ferent lev els of sowing stag e,densi ty and ferti li zer, The g ood phy siological bases fo r high- yield ty pe of "Huaidou 4"is that LAI lies at 2. 0- 2. 1 at t rue leaf stag e, and maxium LAI sho uld become 4. 1- 5.0 a t blooming stag e, and maintain 3. 5- 4. 2 at pod- fi lling stage. Dry mat ter accumulationand disst ribution should have eno ug h souce. Branches lie around 2. 8- 3. 5, Thenumber o f pods per plant around 30, the seeds per pod is 2. 2, and the w eight of 100seed is 22 g ram. The cultiv atio n mode for the go od phy siological bases i s tha t so ybeanshould be sowed in 1- 15th of June, densi ty is 175, 000 plants per mu, amount o f topdressing fertilizer in ini tial flow ering stage is 4. 0kg per mu, and foliag e dressing w ouldbe applied a t the pod fi lling stag e i f needed.
参考文献/References:
[1 ] 李永孝等, 1995, 底肥量、追肥期对大豆产量性状的影响,大豆科学, 14( 2): 119- 125
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