EFFECT OF GALACTOGLUCOMANNAN-DERIVED OLIGOSACCHARIDES ON ELONGATION GROWTH OF PEA AND SPRUCE STEM SEGMENTS STIMULATED BY AUXIN

被引：42

作者：

AUXTOVA, O ^{[1
]}

LISKOVA, D ^{[1
]}

KAKONIOVA, D ^{[1
]}

KUBACKOVA, M ^{[1
]}

KARACSONYI, S ^{[1
]}

BILISICS, L ^{[1
]}

机构：

[1] SLOVAK ACAD SCI, INST CHEM, BRATISLAVA 84238, SLOVAKIA

来源：

PLANTA | 1995年 / 196卷 / 03期

关键词：

2,4-DICHLOROPHENOXYACETIC ACID; ELONGATION GROWTH; GALACTOGLUCOMANNAN DERIVED OLIGOSACCHARIDES; PICEA; PISUM;

D O I：

10.1007/BF00203638

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Galactoglucomannan-derived oligosaccharides (GGMOs) (degree of polymerization 4-8) isolated from the wood of poplar (Populus monilifera Ait.) were shown to be inhibitors of the 2,4-dichlorophenoxyacetic acid-stimulated elongation growth of pea (Pisum sativum L. cv. Tyrkys) and spruce [Picea abies (L.) Karst] stem segments. A dependence on the concentration of GGMOs (between 10(-5)-10(-10) M) as well as plant species was ascertained. Pea stem segments were much more sensitive (10(-10) M) than spruce (10(-8) M). The GGMOs did not exhibit toxicity even at high concentrations and during long-term bioassays. The timing of the action of GGMOs and auxin in the growth process was also studied.

引用

页码：420 / 424

页数：5

共 22 条

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