Other germicides Substituted benzene fungicide Inorganic fungicides Organophosphorus fungicides Organic Sulfur Fungicides Azole fungicides Pesticide germicide
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Germicide

Other germicides Substituted benzene fungicide Inorganic fungicides Organophosphorus fungicides Organic Sulfur Fungicides Azole fungicides Pesticide germicide
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Germicide refers to chemicals that can kill or inhibit the bacteria or fungi. Germicide can kill or inhibit the growth and proliferation of pathogens at both outside the plant or inside the plants via the toxicity of the agents. Some kinds of germicides are non-toxic to the fungi, but can interfere with the process of pathogenic process of fungus or affect the interaction of pathogen – host, improving the plant defenses.

In the end of 18th century to the 1850s, people strengthened the research on the organic germicide in order to seek the substitutes of copper and mercury preparations. The event of the greatest impact should be in 1934 when W. H. Tisdale reported the bactericidal effect of dithiocarbamic acid derivatives. This discovery opened up a new era of organic compounds as germicide. Following the discovery of bactericidal activity of ziram, ferbam, and thiram, in 1935, DuPont had further found the germicidal activity of sodium dithane in the dithane class. In 1943, people had put it into production. After 1960s, dithiocarbamate salt germicide had gradually developed into a class of germicide of the world's largest production.

To date, there are nearly 300 kinds of organic germicides that have been commercialized. Substituted benzene type contains PCNB, hexachlorobenzene, chlorothalonil and dozens of other varieties. Trichloromethylthio type germicide mainly contains folpet and captan. After 1950s, there are a lot of varieties having achieved practical application, including organic mercury and quinones, organic tin, organic phosphorus and agricultural antibiotics. In 1969 and 1970, the ethyl thiophanate and methyl thiophanate developed by Nippon Soda Company (Japan) are two best varieties with the latter one especially obtaining wide applications on fruit trees and vegetables. In the 1960s, Japan, during the development of germicide against rice sheath blight, had successfully launched organic arsenic germicides such as asomate and neoasozin. It is particularly worth mentioning that there have been a number of excellent germicides in the heterocyclic fungicides.

The breakthrough of systemic germicide was actually started from the discovery of the systemic germicidal effect of carboxin made by the Uniroyal Company in 1960s. In 1966, carboxin and oxycarboxin had been simultaneously subject to commercialization. Later, it had successively appeared of benomyl, dodecyl morpholine, thiophanate-methyl, and triforine, etc. In 1970s, triazole-class systemic germicide with triadimefon as the representative had attracted broad attention.

However, the above germicides have very poor efficacy in treating many kinds of important diseases caused by oomycete. In 1977, Ciba-Geigy Company (Switzerland) had successfully developed systemic germicide, metalaxyl with excellent efficacy in prevention of disease caused by oomycete. Metalaxyl is characterized by high efficacy, small usage amount and having bidirectional conduction properties, making the systemic germicide enter into a new stage of development. China is one of the earliest countries that had applied the elements and inorganic agents for control of plant diseases. This had been documented (see the history of pesticide development) in a variety of well-known ancient writings. In 1950s, the most widely used germicides are still inorganic copper and mercury preparations.

Substituted benzene such as PCNB has also been applied. In 1960s dithiocarbamate salts and organic arsenic preparations had been widely used. In 1970s, it had been developed of carbendazim, and had developed into one of the germicide varieties with the largest production amount in China. Meanwhile, China's agricultural antibiotic, Jinggangmycin had also obtained widespread application in controlling the Rice Sheath Blight. Since the 1980s, many excellent germicides including organicphosphorus kitazine, fosetyl; heterocyclic germicides such as triadimefon, tricyclazole and isoprothiolane; substituted benzenes germicides such as methyl thiophanate, chlorothalonil and metalaxyl have been popularized.

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Structure:
Chemical Name:
Propiconazole
CAS:
60207-90-1
MF:
C15H17Cl2N3O2
Structure:
Chemical Name:
Metam sodium
CAS:
137-42-8
MF:
C2H4NNaS2
Structure:
Chemical Name:
Flutriafol
CAS:
76674-21-0
MF:
C16H13F2N3O
Structure:
Chemical Name:
Tebuconazole
CAS:
107534-96-3
MF:
C16H22ClN3O
Structure:
Chemical Name:
1,2-Dibromo-3-chloropropane
CAS:
96-12-8
MF:
C3H5Br2Cl
Structure:
Chemical Name:
Penconazole
CAS:
66246-88-6
MF:
C13H15Cl2N3
Structure:
Chemical Name:
Azoxystrobin
CAS:
131860-33-8
MF:
C22H17N3O5
Structure:
Chemical Name:
Cyproconazole
CAS:
94361-06-5
MF:
C15H18ClN3O
Structure:
Chemical Name:
Trifloxystrobin
CAS:
141517-21-7
MF:
C20H19F3N2O4
Structure:
Chemical Name:
Isothiazolinones
CAS:
26172-55-4
MF:
C4H4ClNOS
Structure:
Chemical Name:
4,5-Dichloro-2-octyl-isothiazolone
CAS:
64359-81-5
MF:
C11H17Cl2NOS
Structure:
Chemical Name:
Propamocarb
CAS:
24579-73-5
MF:
C9H20N2O2
Structure:
Chemical Name:
Difenoconazole
CAS:
119446-68-3
MF:
C19H17Cl2N3O3
Structure:
Chemical Name:
Myclobutanil
CAS:
88671-89-0
MF:
C15H17ClN4
Structure:
Chemical Name:
Hexaconazole
CAS:
79983-71-4
MF:
C14H17Cl2N3O
Structure:
Chemical Name:
Kresoxim-methyl
CAS:
143390-89-0
MF:
C18H19NO4
Structure:
Chemical Name:
Imidazole
CAS:
288-32-4
MF:
C3H4N2
Structure:
Chemical Name:
4,6-Dichloropyrimidine
CAS:
1193-21-1
MF:
C4H2Cl2N2
Structure:
Chemical Name:
1-(4-Chlorophenyl)-4,4-dimethyl-3-pentanone
CAS:
66346-01-8
MF:
C13H17ClO
Structure:
Chemical Name:
DICHLOFLUANID
CAS:
1085-98-9
MF:
C9H11Cl2FN2O2S2
Structure:
Chemical Name:
Fluazinam
CAS:
79622-59-6
MF:
C13H4Cl2F6N4O4
Structure:
Chemical Name:
Benzimidazole
CAS:
51-17-2
MF:
C7H6N2
Structure:
Chemical Name:
Pencycuron
CAS:
66063-05-6
MF:
C19H21ClN2O
Structure:
Chemical Name:
Phthalide
CAS:
87-41-2
MF:
C8H6O2
Structure:
Chemical Name:
Chlorothalonil
CAS:
1897-45-6
MF:
C8Cl4N2
Structure:
Chemical Name:
1,2-Pentanediol
CAS:
5343-92-0
MF:
C5H12O2
Structure:
Chemical Name:
THIOPHANAT-ETHYL
CAS:
23564-06-9
MF:
C14H18N4O4S2
Structure:
Chemical Name:
5-IODO-2-METHYLBENZIMIDAZOLE
CAS:
2818-70-4
MF:
C8H7IN2
Structure:
Chemical Name:
Imazalil sulfate
CAS:
58594-72-2
MF:
C14H14Cl2N2O.H2O4S
Structure:
Chemical Name:
Mepronil
CAS:
55814-41-0
MF:
C17H19NO2
Structure:
Chemical Name:
FLUDIOXONIL
CAS:
131341-86-1
MF:
C12H6F2N2O2
Structure:
Chemical Name:
Cymoxanil
CAS:
57966-95-7
MF:
C7H10N4O3
Structure:
Chemical Name:
Tecloftalam
CAS:
76280-91-6
MF:
C14H5Cl6NO3
Structure:
Chemical Name:
PYRIMIDIFEN
CAS:
105779-78-0
MF:
C20H28ClN3O2
Structure:
Chemical Name:
QUINOXYFEN
CAS:
124495-18-7
MF:
C15H8Cl2FNO
Structure:
Chemical Name:
Epoxiconazol
CAS:
106325-08-0
MF:
C17H13ClFN3O
Structure:
Chemical Name:
Benalaxyl
CAS:
71626-11-4
MF:
C20H23NO3
Structure:
Chemical Name:
Tridemorph
CAS:
24602-86-6
MF:
C19H39NO
Structure:
Chemical Name:
Flusilazole
CAS:
85509-19-9
MF:
C16H15F2N3Si
Structure:
Chemical Name:
2-Bromo-2-nitro-1,3-propanediol
CAS:
52-51-7
MF:
C3H6BrNO4
Structure:
Chemical Name:
Propylene glycol
CAS:
57-55-6
MF:
C3H8O2
Chemical Name:
BENTHIAVALICARB-ISOPROPYL
Structure:
Chemical Name:
Climbazole
CAS:
38083-17-9
MF:
C15H17ClN2O2
Structure:
Chemical Name:
4-Bromo-2-methylimidazole
CAS:
16265-11-5
MF:
C4H5BrN2
Structure:
Chemical Name:
PHENYLMERCURIC CHLORIDE
CAS:
100-56-1
MF:
C6H5ClHg
Structure:
Chemical Name:
DITHIANON
CAS:
3347-22-6
MF:
C14H4N2O2S2
Structure:
Chemical Name:
2-MERCAPTO-5-METHOXYBENZIMIDAZOLE
CAS:
37052-78-1
MF:
C8H8N2OS
Structure:
Chemical Name:
DBDCB
CAS:
35691-65-7
MF:
C6H6Br2N2
Structure:
Chemical Name:
Propineb
CAS:
12071-83-9
MF:
C5H10N2S4
Structure:
Chemical Name:
2,4-Dichlorobenzyl chloride
CAS:
94-99-5
MF:
C7H5Cl3
Structure:
Chemical Name:
ETHIRIMOL
CAS:
23947-60-6
MF:
C11H19N3O
Structure:
Chemical Name:
2-(Thiocyanatomethylthio)benzothiazole
CAS:
21564-17-0
MF:
C9H6N2S3
Structure:
Chemical Name:
TECNAZENE
CAS:
117-18-0
MF:
C6HCl4NO2
Structure:
Chemical Name:
CAPTAFOL
CAS:
2425-06-1
MF:
C10H9Cl4NO2S
Chemical Name:
ZHONGSHENGMYCIN
MF:
C19H34O8N8
Structure:
Chemical Name:
PYROQUILON
CAS:
57369-32-1
MF:
C11H11NO
Structure:
Chemical Name:
DICLOMEZINE
CAS:
62865-36-5
MF:
C11H8Cl2N2O
Structure:
Chemical Name:
4-BROMO-1-METHYL-1H-IMIDAZOLE
CAS:
25676-75-9
MF:
C4H5BrN2
Structure:
Chemical Name:
Zinc dimethyldithiocarbamate
CAS:
137-30-4
MF:
C6H12N2S4Zn1
Structure:
Chemical Name:
Fenpropidin
CAS:
67306-00-7
MF:
C19H31N
Structure:
Chemical Name:
2',4'-Dichlorovalerophenone
CAS:
61023-66-3
MF:
C11H12Cl2O
Structure:
Chemical Name:
Hymexazol
CAS:
10004-44-1
MF:
C4H5NO2
Structure:
Chemical Name:
PYRIFENOX
CAS:
88283-41-4
MF:
C14H12Cl2N2O
Structure:
Chemical Name:
Ofurace
CAS:
58810-48-3
MF:
C14H16ClNO3
Structure:
Chemical Name:
Fluotrimazol
CAS:
31251-03-3
MF:
C22H16F3N3
Structure:
Chemical Name:
THIFLUZAMIDE
CAS:
130000-40-7
MF:
C13H6Br2F6N2O2S
Structure:
Chemical Name:
1,3-Dichloro-5,5-dimethylhydantoin
CAS:
118-52-5
MF:
C5H6Cl2N2O2
Structure:
Chemical Name:
METIRAM
CAS:
9006-42-2
MF:
C12H12N6S16Zn
Structure:
Chemical Name:
FENPROPIMORPH
CAS:
67306-03-0
MF:
C20H33NO
Structure:
Chemical Name:
NUARIMOL
CAS:
63284-71-9
MF:
C17H12ClFN2O
Structure:
Chemical Name:
TRIFLUMIZOLE
CAS:
68694-11-1
MF:
C15H15ClF3N3O
Structure:
Chemical Name:
PYRAZOPHOS
CAS:
13457-18-6
MF:
C14H20N3O5PS
Structure:
Chemical Name:
TOLYLFLUANID
CAS:
731-27-1
MF:
C10H13Cl2FN2O2S2
Structure:
Chemical Name:
CADUSAFOS
CAS:
95465-99-9
MF:
C10H23O2PS2
Structure:
Chemical Name:
IMIBENCONAZOLE
CAS:
86598-92-7
MF:
C17H13Cl3N4S
Structure:
Chemical Name:
Boscalid
CAS:
188425-85-6
MF:
C18H12Cl2N2O
Structure:
Chemical Name:
Pyrimethanil
CAS:
53112-28-0
MF:
C12H13N3
Structure:
Chemical Name:
Diclobutrazol
CAS:
75736-33-3
MF:
C15H19Cl2N3O
Structure:
Chemical Name:
2,2-Dibromo-2-nitroethanol
CAS:
69094-18-4
MF:
C2H3Br2NO3
Structure:
Chemical Name:
CYAZOFAMID
CAS:
120116-88-3
MF:
C13H13ClN4O2S
Structure:
Chemical Name:
Fenpropimorph
CAS:
67564-91-4
MF:
C20H33NO
Structure:
Chemical Name:
2,6-Dichloro-4-methylphenol
CAS:
2432-12-4
MF:
C7H6Cl2O
Structure:
Chemical Name:
BROMUCONAZOLE
CAS:
116255-48-2
MF:
C13H12BrCl2N3O
Structure:
Chemical Name:
FENBUCONAZOLE
CAS:
114369-43-6
MF:
C19H17ClN4
Structure:
Chemical Name:
Ethylicin
CAS:
682-91-7
MF:
C4H10O2S2
Structure:
Chemical Name:
Isoprothiolane
CAS:
50512-35-1
MF:
C12H18O4S2
Structure:
Chemical Name:
O-CRESOL-D8
CAS:
203645-65-2
MF:
C7D8O
Structure:
Chemical Name:
OXYCARBOXIN
CAS:
5259-88-1
MF:
C12H13NO4S
Structure:
Chemical Name:
Famoxadone
CAS:
131807-57-3
MF:
C22H18N2O4
Structure:
Chemical Name:
Bitertanol
CAS:
55179-31-2
MF:
C20H23N3O2
Structure:
Chemical Name:
FENPICLONIL
CAS:
74738-17-3
MF:
C11H6Cl2N2
Structure:
Chemical Name:
IMINOCTADINE TRIACETATE
CAS:
39202-40-9
MF:
C24H53N7O6
Structure:
Chemical Name:
Pentachlorophenol
CAS:
87-86-5
MF:
C6HCl5O
Structure:
Chemical Name:
TRIAZOXIDE
CAS:
72459-58-6
MF:
C10H6ClN5O
Structure:
Chemical Name:
Tetramethylthiuram Disulfide
CAS:
137-26-8
MF:
C6H12N2S4
Structure:
Chemical Name:
Sodium 2-biphenylate
CAS:
132-27-4
MF:
C12H9NaO
Structure:
Chemical Name:
Carboxin
CAS:
5234-68-4
MF:
C12H13NO2S
Structure:
Chemical Name:
FLUTOLANIL
CAS:
66332-96-5
MF:
C17H16F3NO2
Structure:
Chemical Name:
1,3-THIAZOLIDIN-2-ONE
CAS:
2682-49-7
MF:
C3H5NOS
Structure:
Chemical Name:
3,4'-Dichlorodiphenyl ether
CAS:
6842-62-2
MF:
C12H8Cl2O