1. A method for promoting growth of a plant comprising treating the plant with an effective amount of a compound represented by the following formula (1): in which any of the radicals R, R, r and Rpredstavlyaet a trifluoromethyl group and others represent a hydrogen atom, or acceptable from the standpoint of Agriculture sol.2 economy. . A method according to claim 1, wherein the compound represented by formula (1) is a compound selected from the group consisting of compounds A: (1) 5- (trifluoromethyl) benzo [b] thiophene-2-carboxylic acid (2) 6- (trifluoromethyl) benzo [b] thiophene-2-carboxylic acid (3) 4- (trifluoromethyl) benzo [b] thiophene-2-carboxylic acid (4) 7- (trifluoromethyl) benzo [b] thiophene 2-carboxylic kislota.3. A method according to Claim. 1 in which the plant has been or will be subjected to abiotic stressu.4. The method of claim. 1, wherein the processing is a processing plant by spraying, soil treatment, seed treatment or hydroponic obrabotku.5. The method of claim. 1, wherein the processing plant predstavlyaetsoboy semyan.6 etching. The method of claim. 1, wherein the plant is rice, maize or pshenitsu.7. The method of claim. 1, wherein the plant is a transgenic rastenie.8. The method of claim. 3, wherein abiotic stress is a high stress.9. The method of claim. 3, wherein abiotic stress is a low temperature stress.10. The method of claim. 3, wherein abiotic stress is a stress from zasuhi.11. Use of a compound represented by the following formula (1): in which any of the radicals R, R, r and Rpredstavlyaet a trifluoromethyl group and others represent vodoro1. Способ стимулирования роста растения, включающий обработку растения эффективным количеством соединения, представленного следующей формулой (1):в которой любой из радикалов R1, R2, R3 и R4 представляет собой трифторметиловую группу, и другие представляют собой водородный атом, или их приемлемую с точки зрения сельского хозяйства соль.2. Способ по п. 1, в котором соедин