Zhang Mengchen.COMPARISON OF DEVELOPMENT OF FLOWERS AND PODSBETWEEN EARLY AND LATE SUMMER SOYBEAN VARIETIES[J].Soybean Science,1998,17(03):236-241.[doi:10.11861/j.issn.1000-9841.1998.03.0236]
早晚熟夏大豆品种花荚形成的比较
- Title:
- COMPARISON OF DEVELOPMENT OF FLOWERS AND PODSBETWEEN EARLY AND LATE SUMMER SOYBEAN VARIETIES
- 文献标志码:
- A
- 摘要:
- 通过对17个有限、亚有限型夏大豆品种的研究结果,鼓粒前的花荚期长短是选择夏大豆品种生育期长短的重要因素。不同熟期类型品种间生殖器官发育规律存在差异。早熟品种较晚熟品种花、荚形成发育快、时间短,脱落也快。当早熟品种生育重心进入鼓粒前的中、大荚形成发育过程中(相当于R4阶段)时,晚熟品种的相对时期还处在花和幼小荚的形成发育过程中(相当于R2- R3阶段)。早熟品种较晚熟品种的盛花期和终花期相对缩短10天左右,始荚期缩短5天左右,盛荚期和鼓粒期(开始鼓粒荚大量增多时期)缩短了10- 15天。通过分析认为,在本区所代表的生态条件下,夏大豆鼓粒前的花荚期以25天左右为宜。因早熟品种开花结荚时间短而集中,在该期如加强管理可获得高产。晚熟品种开花结荚时间长,不因短期不良环境而大量减产,稳产性强。
- Abstract:
- Study result o f 17 determinate and semi - determinate summer soy bean va rietiesshow s that the lo ng a nd sho rt f low ering and pod leng thening perio d is an impo rtant factor for selecting lo ng or sho rt duratio n period of summer soybea n va rieties. There is differencebetw een dif ferent ma turing types v arieties on reproductiv e orga n develo pment.Flow ers and po ds o f early - maturing v arieties a re faster in dev elopment , sho rter info rming period a nd faster in pod shedding than late v arieties. When the ea rly-maturingva rieties come into middle and larg e pods fo rming ( similar to R4 stage) perio d, the la tematuring v arieties a re in the course o f f low ering , Young and li t tle po ds fo rming ( simi la rto R2- R3 stage) period. The early- ma turing v arieties i s about 10 days short fo r ful lblooming a nd f low er ending stag e, about 5 day s sho rter at ini tial podding stage and 10-15 days sho rt at f louri sh podding stag e and fi lling stag e tha n la te- maturing o nes.Analysi s sug gests that 25 day s i s the suitable f low ering and podding period fo r summerso ybean.
参考文献/References:
[1 ] 徐豹等, 1988, 不同进化类型大豆花荚形成和脱落的比较研究,《大豆科学》, 7( 2): 103- 112
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