LIU Chang-kai,ZHANG Qiu-ying,LI Yan-sheng,et al.Potassium Fertilizer Application Increased the Accumulation of Potassium During Reproductive Stages in Different Parts of Vegetable Soybean(Glycine max L Merr)[J].Soybean Science,2016,35(01):91-95.[doi:10.11861/j.issn.1000-9841.2016.01.0091]
钾肥施用增加菜用大豆生殖生长期不同部位钾素积累
- Title:
- Potassium Fertilizer Application Increased the Accumulation of Potassium During Reproductive Stages in Different Parts of Vegetable Soybean(Glycine max L Merr)
- Keywords:
- Vegetable soybean; Potassium accumulation; Sucrose; Soluble sugar
- 文献标志码:
- A
- 摘要:
- 利用菜用大豆品种(系)中科毛豆1号和品系121,在正常氮磷种肥用量基础上,进行不施钾(K0),种肥施钾120 kg.hm-2(K1),种肥施钾120 kg.hm-2+叶面喷施钾肥(K2)3种施钾处理,探究菜用大豆开花后28~56 d内茎秆、叶片、叶柄、荚皮、籽粒中钾素积累动态。结果表明:相同时期不同部位钾素积累均为K2>K1>K0,各部位钾的相对积累量为籽粒>荚皮>叶片>叶柄>茎。同时发现,菜用大豆茎秆、叶片、叶柄、荚皮中钾积累量均随着生育进程逐渐下降,而籽粒中钾素的积累在开花后28~42 d下降,42~49 d升高,随后略有降低。施用钾肥增加了菜用大豆植株各部位的钾积累量,施钾叶面肥可进一步增加钾积累量。
- Abstract:
- With normal rates of N and P fertilizers, we treated two vegetable soybeans Zhongkemaodou 1 and cv.121 with no potassium fertilizer (K0), 120 kg.ha-1K (K1) at seeding, 120 kg.ha-1K with additional foliar application of 30 kg.ha-1of K2SO4(K2), and investigated the dynamic of potassium accumulation in leaves, petioles, stalks, pods and seeds within 28-56 days after flowering respectively. The results showed that the potassium accumulation was characterized by K2>K1>K0 and seeds>pods>stalks. It was also found that the potassium accumulation declined with the reproductive processes in stems, leaves, petioles and pods, however potassium accumulation in seeds declined 28-42 days after flowering, but increased 42-49 days and then slightly declined. The potassium accumulation in various parts of vegetable soybeans could be increased by K fertilization, and could be further increased by additional foliar K application.
参考文献/References:
[1]盖钧镒, 王明军, 陈长之.中国毛豆生产的历史渊源与发展 [J].大豆科学, 2002, 21(1):7-13.(Gai J Y,Wang M J,Chen C Z. Historical origin and development of maodou production in China[J].Soybean Science, 2002, 21(1):7-13.)
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备注/Memo
基金项目:哈尔滨市创新人才基金(2012RFXXN016);黑龙江省重点基金(ZD201307);国家自然科学基金(41471241)。