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Method of increasing the yield of plants having storage organs by treatment with thiadiazolylimidazolines
| Details |
Inventors: Krenzer, John;
Assignee: Velsicol Chemical Corporation (Chicago, IL)
Primary Examiner: Gotts; Lewis
Assistant Examiner: Mills; Catherine L.
Attorney, Agent or Firm: Schwarz; Robert J., Olesch; Dietmar H.
This invention discloses a method of increasing the yield of plant food contained in plant storage organs which comprises contacting the plants having storage organs with from about 0.05 to about 4.0 pounds per acre of a compound of the formula ##EQU1## wherein R.sup.1 is selected from the group consisting of alkyl, alkenyl, chloroalkyl, trifluoromethyl, alkoxy, alkylthio, alkylsulfonyl, alkylsulfinyl and cycloalkyl of from 3 to 7 carbon atoms optionally substituted with from 1 to 2 substituents selected from the group consisting of alkyl, alkoxy and halogen; and R.sup.2 is alkyl. |
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DETAILED DESCRIPTION I Claim: 1.
A method of increasing the yield of plant food contained in plant storage organs which comprises contacting the plants having storage organs with from about 0.
05 to about 4.
0 pounds per acre of a compound of the formula ##EQU8## wherein R.
sup.
1 is selected from the group consisting of lower alkyl, lower alkenyl, lower chloroalkyl, trifluoromethyl, lower alkoxy, lower alkylthio, lower alkylsulfonyl, lower alkylsulfinyl and cycloalkyl of from 3 to 7 carbon atoms optionally substituted with from 1 to 2 substituents selected from the group consisting of lower alkyl, lower alkoxy and halogen; and R.
sup.
2 is lower alkyl.
2.
The method of claim 1 wherein the compound is 1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)-3-methyl-1,3-imidazolin-2-one.
3.
The method of claim 1 wherein the compound is 1-(5-t-butyl-1,3,4-thiadiazol-2-yl)-3-methyl-1,3-imidazolin-2-one.
4.
The method of claim 1 wherein the compound is 1-(5-methyl-1,3,4-thiadiazol-2-yl)-3-methyl-1,3-imidazolin-2-one.
5.
The method of claim 1 wherein the compound is 1-(5-methoxy-1,3,4-thiadiazol-2-yl)-3-ethyl-1,3-imidazolin-2-one.
6.
The method of claim 1 wherein the compound is 1-(5-methylthio-1,3,4-thiadiazol-2-yl)-3-propyl-1,3-imidazolin-2-one.
7.
The method of claim 1 wherein the plant is a potato plant.
Description:
This invention relates to a method of treating plants with storage organs thereby increasing the yield of plant food contained in the storage organs.
A variety of chemicals have been investigated as plant growth stimulants and promoters in attempts to increase the yield obtained from cultivated crops.
These investigations have met with varying success but have not led to compositions of any commercial significance.
In many instances the benefit derived from such compositions is offset by damage to the plant, such a disfuguration.
It has now been found that certain thiadiazolylimidazolines have the ability of increasing the yield of plant food contained in plant storage organs without exhibiting substantial toxicity to the plants
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