COMPARISON OF DEVELOPMENT OF FLOWERS AND PODSBETWEEN EARLY AND LATE SUMMER SOYBEAN VARIETIES(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:

1998年03

Page:

236-241

Research Field:

Publishing date:

Info

Title:

COMPARISON OF DEVELOPMENT OF FLOWERS AND PODSBETWEEN EARLY AND LATE SUMMER SOYBEAN VARIETIES

Author(s):

Zhang Mengchen

( Hebei Institute of Cereal and Oil Crops, Shij iazhuang 050031)

Keywords:

Summer soy bean;  Period o f dura tion and g rowing stage;  Flow er andpod forma tion

PACS:

-

DOI:

10.11861/j.issn.1000-9841.1998.03.0236

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.

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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