NOVELTY - A difluoromethyl-nicotinic indanyl carboxamide compound, is new.    USE - In composition for controlling phytopathogenic harmful fungi; for treating transgenic plants; and for treatment of seed and of seed of transgenic plants (claimed).    ADVANTAGE - The difluoromethyl-nicotinic indanyl carboxamide compound and composition have potent microbicidal activity and are used for control of unwanted microorganisms, such as fungi and bacteria, in crop protection and in the protection of materials; exhibit a potent strengthening effect in plants; increase the yield of crops; show reduced toxicity and are well tolerated by plants; and improve greening effect and photosynthetic efficiency.    DETAILED DESCRIPTION - A difluoromethyl-nicotinic indanyl carboxamide compound of formula (I), is new.    X1=1-6C-haloalkyl, or 3-7C-halocycloalkyl (both having 1 to 9 identical or different halogen atoms), halo, cyano, 1-6C-alkyl, or 3-7C-cycloalkyl;    n=0-3;    T'=O or S;    Q'=1-6C-alkylsulfonyl, 1-4C-alkoxy-1-4C-alkyl, or 1-4C-haloalkylsulfonyl (all optionally substituted), or H;    R'a=1-6C-haloalkyl, 3-7C-halocycloalkyl, 1-6C-haloalkoxy, 1-6C-haloalkylsulfanyl, or 1-6C-haloalkylsulfonyl (all having 1 to 9 identical or different halogen atoms), H, halo, nitro, cyano, 1-12C-alkyl, 3-7C-cycloalkyl, 1-6C-alkoxy, 1-6C-alkylsulfanyl, 1-6C-alkylsulfonyl, 2-12C-alkenyl, 2-12C-alkynyl, or tri(1-8C)alkylsilyl;    Y'=O, S, or CR3R4;    R1-R6=1-16C-haloalkyl having 1 to 9 identical or different halogen atoms, aryl-1-8C-alkyloxy, aryl-1-8C-alkylsulfanyl, aryloxy, arylsulfanyl, aryl-1-8C-alkyl, aryl-2-8C-alkenyl, aryl-2-8C-alkynyl, arylamino, or aryl-1-8C-alkylamino (all optionally mono- to hexa-substituted by R'b), 1-16C-alkyl, 3-8C-cycloalkyl, (3-8C-cycloalkyl)-1-8C-alkyl, (3-8C-cycloalkyl)-3-8C-cycloalkyl, 2-8C-alkenyl, 2-8C-alkynyl, 2-8C-alkenyl-1-16C-alkyl, 2-8C-alkynyl-1-16C-alkyl, 1-16C-alkoxy, 3-8C-cycloalkyloxy, (3-8C-cycloalkyl)-1-8C-alkyloxy, 1-8C-alkylsulfanyl, 3-8C-cycloalkylsulfanyl, (3-8C-cycloalkyl)-1-8C-alkylsulfanyl, 2-8C-alkenyloxy, 3-8C-alkynyloxy, (3-8C-cycloalkyl)-2-8C-alkenyl, (3-8C-cycloalkyl)-2-8C-alkynyl, optionally substituted tri(1-8C)alkylsilyl, tri(1-8C)alkylsilyl-1-8C-alkyl, 1-8C-alkylamino, di-1-8C-alkylamino, 1-8C-alkylcarbonyl 1-8C-alkylcarbonyloxy, 1-8C-alkylcarbonylamino, 1-8C-alkoxycarbonyl, 1-8C-alkyloxycarbonyloxy, 1-8C-alkylcarbamoyl, di-1-8C-alkylcarbamoyl, 1-8C-alkylaminocarbonyloxy, di-1-8C-alkylaminocarbonyloxy, N-(1-8C-alkyl)hydroxycarbamoyl, 1-8C-alkoxycarbamoyl, N-(1-8C-alkyl)-1-8C-alkoxycarbamoyl, (1-8C-alkoxyimino)-1-8C-alkyl, (2-8C-cycloalkoxyimino)-1-8C alkyl, 1-8C-alkyliminoxy, or 1-8C-alkyliminoxy-1-8C-alkyl (all optionally substituted), H, halo, or cyano;    C(R1+R2), C(R3+R4), and C(R5+R6)=3-8C-cycloalkyl, 3-8C-cycloalkenyl, or a saturated 5, 6 or 7 membered heterocycle (all optionally substituted), =C(Y1)Y2 or =N-O-R'c;    Y1 and Y2=1-6C-haloalkyl having 1 to 9 identical or different halogen atoms, 1-12C-alkyl, 1-8C-alkylsulfanyl, or phenyl (all optionally substituted), H, or halo;or    C(Y1+Y2)=3-8C-cycloalkyl or 3-8C-cycloalkenyl or saturated 5, 6 or 7 membered heterocycle (all optionally substituted);    R'b=1-6C-haloalkyl, 1-6C-haloalkoxy, 1-6C-haloalkylsulfanyl, or 1-6C-haloalkylsulfonyl (all having 1 to 9 identical or different halogen atoms), halo, nitro, cyano, 1-12C-alkyl, 1-6C-alkoxy, 1-6C-alkylsulfanyl, 1-6C-alkylsulfonyl, 2-12C-alkenyl, 2-12C-alkynyl, 3-7C-cycloalkyl, or tri(1-8C)alkylsilyl;    R'c=aryl-1-8C-alkyl (optionally mono- to hexa-substituted by R'b), 1-6C-haloalkyl having 1 to 9 identical or different halogen atoms, 1-16C-alkyl, 3-8C-cycloalkyl, (3-8C-cycloalkyl)-1-8C-alkyl, (3-8C-cycloalkyl)-3-8C-cycloalkyl, 2-8C-alkenyl-1-16C-alkyl, or 2-8C-alkynyl-1-16C-alkyl (all optionally substituted).    INDEPENDENT CLAIMS are included for the following:    (1) preparation of the difluoromethyl-nicotinic indanyl carboxamide compound (I);    (2) composition (C1) for controlling phytopathogenic harmful fungi comprising the difluoromethyl-nicotinic indanyl carboxamide compound (I) in addition to extenders and/or surfactants;    (3) producing compositions for controlling phytopathogenic harmful fungi involving mixing the difluoromethyl-nicotinic indanyl carboxamide compound (I) with extenders and/or surfactants;    (4) new intermediate amine containing compound of formula (IIIa).