Plant protecting and regulating compositions – Plant growth regulating compositions – Organic active compound containing
Patent
1998-08-25
2000-09-12
Clardy, S. Mark
Plant protecting and regulating compositions
Plant growth regulating compositions
Organic active compound containing
504360, A01N 2534, A01N 5702
Patent
active
061178195
DESCRIPTION:
BRIEF SUMMARY
TECHINAL FIELD OF THE INVENTION
The invention relates to novel plant treatment products based on systemic herbicides which are incorporated into solid shaped bodies and can be implanted into the target plants in this form, to processes for their preparation, and to methods for treating individual plants with systemic herbicides which are incorporated into solid shaped bodies and which are introduced into the plants' vascular bundle system in this form, thus allowing in particular trees and also other undesired plants to be destroyed.
BACKGROUND OF THE INVENTION
It is already known to introduce solutions of certain agents for controlling pests, or "pesticides" (in particular insecticides), into trees by means of so-called trunk implantation (cf. J. Econ. Entomol 61 (1968), 778-783; loc. cit. 64 (1971), 1295-1298; loc. cit. 72 (1979), 51-54; loc. cit. 81 (1988), 1668-1671; U.S. Pat. No. 4,342,176).
It is also known to use such active compounds, incorporated into solid shaped articles, for controlling pests on certain plants, in particular on trees (cf. EP 564945, JP 58039602--cited in Chem. Abstracts 98: 193401).
There is furthermore known a device for the transcuticular application of active compounds to plants in the form of an active-compound support which stores the active compound (cf. EP 254196). Upon use, however, this active-compound support is located on the surface of the plant and not inside the plant.
There is also known a method, or device, for applying herbicides to trees, in which the active compound is introduced into the tree via a sort of punch hammer (cf. U.S. Pat. No. 5,086,584). However, this application method is relatively complex; there was therefore a demand for a simpler use form for destroying undesired trees and other plants.
To destroy undesired plants, herbicides are furthermore generally employed in formulated form, that is to say combined with certain additives, with the aid of mechanical application equipment--in most cases spray equipment.
The task of removing undesired trees and shrubs from woodland or from gardens and parks is apparently gaining in importance. Performing this task with the aid of mechanical means is only possible on small areas in practice, and even that requires a great deal of labour, expense and technical effort. While the use of herbicides via spray application is technically feasible, it is unsatisfactory from the environmental angle.
SUMMARY OF THE INVENTION
The invention relates to the following:
(1) solid shaped plant treatment products comprising systemic herbicides, which comprise the herbicidally active compounds homogeneously distributed in a polymeric support material as binder and which can be introduced into the vicinity of the vascular bundle system of individual plants to be destroyed; according to (1) which can be introduced into the vicinity of the vascular bundle system of individual plants, characterized in that systemic herbicidally active compounds are polymerized or mixed with polymeric supports and then shaped; herbicides, characterized in that solid shaped plant treatment products according to (1) which comprise systemic herbicides, where herbicidally active compounds within a polymeric support material as binder are introduced into the vicinity of the vascular bundle system of the plants to be destroyed.
Surprisingly, the treatment method according to the invention allows undesired trees and shrubs to be removed in a very simple manner. The plant treatment products according to the invention can be introduced or "implanted", or "grafted", into small holes in the target plants which have been produced using customary manual drills. The treatment method according to the invention is distinguished by especially simple handling--expensive "special equipment" is not required--and by application of the active compound precisely at the location where the action is desired, avoiding undesired contamination of the environment. With a view to the application of herbicides which is otherwise customary practice, the novel application
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Holters Jurgen
Penners Gunther
Priesnitz Uwe
Rehbold Bodo
Riebel Hans-Jochem
Bayer Aktiengesellschaft
Clardy S. Mark
Gil Joseph C.
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