Han Lide Gai Junyi Qiu Jiaxun.A STUDY ON DEVELOPMENTAL PROCESS OF POD AND SEED TRAITS OFSUMMER-PLANTED VEGEABLE SOYBEAN AND SUITABLE POD PICKING PERIOD[J].Soybean Science,2003,22(03):202-207.[doi:10.11861/j.issn.1000-9841.2003.03.0202]
菜用大豆荚粒品质发育过程及适宜采摘期分析
- Title:
- A STUDY ON DEVELOPMENTAL PROCESS OF POD AND SEED TRAITS OFSUMMER-PLANTED VEGEABLE SOYBEAN AND SUITABLE POD PICKING PERIOD
- 文章编号:
- 1000 -9841(2003)03 -0202 -06
- Keywords:
- Vegetable soybean ; Developmental process of quality t raits ; Sui table pod -picking period
- 分类号:
- S 565.1
- 文献标志码:
- A
- 摘要:
- 选用夏播菜用大豆不同熟期组6 个代表品种通州豆、楚秀(熟期组Ⅲ), 海系13 、南农87c -38(熟期组Ⅳ), 南农大黄豆、黑皮绿仁(熟期组Ⅴ), 对其荚粒品质发育过程进行系统观察。结果表明:(1)荚长、荚宽及荚厚的发育符合Logistic 生长曲线, 荚长、荚宽在开花后10 -20 天伸长较快,基本接近品种的固有长度和宽度;荚厚在开花后25 -40 天快速增长。(2)百荚鲜重、百粒鲜重发育符合二次曲线, 熟期组Ⅲ品种在开花后35 -55 天达到最大值, 而熟期组Ⅳ 、熟期组Ⅴ品种在开花后55 -70 天达到最大值。(3)出籽率及可溶性糖的变化符合四次曲线方程, 在R5 -R7 前半期可溶性糖含量逐渐提高,R7 后半期有所回落;不同熟期组的菜用大豆生长发育变化相似。菜用大豆的适宜采摘期为R6 -R7 的前半期。
- Abstract:
- Six vegetable soybean cultivars from three different maturity groups w ere used to study the developmental process of pod and seed qualit ies .The results showed as follow s :Pod leng th and w idth increased rapidlyduring 10 -20 day s after f low ering , and reached it s maximum size , then the grow th rate decreased .Pod thicknessincreased later than pod length and w idth , and w ith a rapid rate during 25 -40 day s after flow ering .Thechanges of pod leng th , w idth , and thickness w ith the days af ter f low ering w ere w ell fit ted w ith a Logisticcurve .During seed f illing period , the 100 -pod f resh w eight and 100 -seed f resh weig ht g radually increased toi ts maximum , then dropped .Those of MG -Ⅲ reached the maximum value at about 35 -55 day s af ter flow ering, MG -Ⅳ , MG - Ⅴdid so at 55 -70 days .The changes of 100 -pod f resh w eight and 100 -seed freshw eight of different maturi ty g roups w ith the day s af ter f low ering w ere well f itted w ith a parabola curve .Solublesugar content accumulatio n (dry w eight basis)in seed increased steadily during 30 -60 day s and dropped dung60 -75 days af ter flowering .From the above results , the suitable pod -picking period w as suggested as duringR6 to early R7 .
参考文献/References:
1 张秋荣.大豆豆荚形成过程初步观察[ J] .大豆科学, 1984 , 3(4):332 -337.
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备注/Memo
基金项目:国家自然科学基金项目(39470433), 江苏省科学基金项目(BK95099304), 江苏省“ 九五” 农业科技重点攻关项目(BE96338),上海市科技兴农重点攻关项目(农科攻1 -5)