Plant protecting and regulating compositions – Plant growth regulating compositions – Organic active compound containing
Patent
1998-03-10
2000-04-04
Stockton, Laura L.
Plant protecting and regulating compositions
Plant growth regulating compositions
Organic active compound containing
548466, 548494, A01N 4338, C07D20918, C07D48704
Patent
active
060461381
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to an indole derivative having a specific structure and to a root formation inducing agent wherein this indole derivative is an effective ingredient.
BACKGROUND ART
When a plant is intended to proliferate by a seed, normally it is required that the seed be a pure line. This is because if a pure line seed is not used, the characters of the proliferated plant are diverse. However, there are difficulties when obtaining a pure strain seed through seed proliferation. Further, seed proliferation is limited to a plant from which a seed can be easily obtained.
Therefore, in addition to the above seed proliferation, a vegetative proliferation method, that is, the cutting method is widely used, where a part of the vegetative organs of a plant is cut off from the mother plant to be proliferated, inserted into sand or soil, to thereby form roots and shoots and form an independent plant.
There are however many plants for which the root formation is difficult even with the vegetative proliferation method (for example, pine, fir, hemlock, cedar, tea plants, Magnolia hypoleuca, liriodendron, nettle tree, chestnut tree, oak tree, hornbeam, walnut tree, myrica, etc.). At the time of using "cuttings" of these plants, it has become essential to use auxin root formation inducing agents such as Rooton (phonetic) ingredients: 1-naphthylacetoamide), Auxiberon (phonetic) ingredients: indolebutyric acid).
However, even when using auxin root formation agents, root formation of the above mentioned plants is still difficult in many cases. Therefore, the amount of them used becomes inevitably larger. The use of a large amount of a root formation inducing agent for chestnut trees etc. is feared in some cases to cause environmental pollution. Further, when a root formation agent is used, pretreatment by silver nitrate, potassium permanganate, lime water, ethanol etc. is necessary in many cases. This is also one factor the use of a root formation agent is made complicating.
DISCLOSURE OF INVENTION
Accordingly, the object of the present invention is to find a novel root formation inducing substance superior in root formation action compared with the known root formation inducing substances and capable of inducing root formation in a broad range of plants and to provide a root formation inducing agent wherein this root formation inducing substance is an effective ingredient.
In accordance with to the present invention, there is provided an indole derivative having the formula (I). Note that this indole derivative (I) is preferably one where R in the following formula (I) is an ethylene group: ##STR2## wherein R does not exist or represents a C.sub.1 to C.sub.4 alkylene group.
In accordance with to the present invention, there is also provided an indole derivative having the general formula (II). Note that this indole derivative (II) is preferably one in which R in the following formula (II) is an ethylene group. ##STR3## wherein R does not exist or represents a C.sub.1 to C.sub.4 alkylene group.
In accordance with to the present invention, there is further provided a root formation inducing agent wherein the above indole derivative (I) and/or indole derivative (II) are as an effective ingredient.
BRIEF DESCRIPTION OF DRAWINGS
The present invention will now be further explained with reference to the drawings: wherein
FIG. 1 is a chart of the high performance liquid chromatography for the indole derivative (II) (R=ethylene group) of the present invention.
FIG. 2 is a chart of the high performance liquid chromatography for the indole derivative (II) (R=0) of the present invention.
FIGS. 3(a) and 3(b) are drawings of the behavior of the concentrations of an indole derivative (II) and IBA in in a system comprised of an indole derivative (II) to which an antibody is added.
BEST MODE OF FOR CARRYING OUT THE INVENTION
The present inventors engaged in repeated intensive studies for achieving the above object and, as a result, found that there is a strong root formation inducing activity in a
REFERENCES:
Indole-3-Ethanol Oxidase, Frank W. Percival, William K. Purves and Larry E. Vickery, Plant Physio. 51(4), pp. 739-743, 1973.
Mass Spectrometric Identification of Indole Compounds Produce by Rhizobium Strains, J. Badenoch-Jones, R.E. Summons, B. Entsch, B.G. Rolfe, C.W. Parker and D.S. Letham, Biomed. Mass Spectrom, 9(10), pp. 429-437, 1982.
Liebich et al., CA 112:194825 (1990).
Kojima Kiyotaka
Sakamoto Okihiko
Yamaguchi Shoko
Yokoyama Mineyuki
Yoshida Seiichi
Shiseido Company Ltd.
Stockton Laura L.
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