Table 2.
General effects of various compounds on B. cinerea growth parameters.
Treatments and Nomenclature | Parameters Evaluated; Percentage of Inhibition (%) | Tomato Assays | |||||
---|---|---|---|---|---|---|---|
Germination | Germ Tubes | Sporulation | % Incidence; Leaves | % Severity; Leaves | % Incidence; Fruits | % Severity; Fruits | |
Isoeugenol 1000 ppm (IA) | 19.5 | 76.7 | 14.5 | 3.1 | 2.3 | 75 | 37.5 |
Isoeugenol 500 ppm (IB) | 14.6 | 74.3 | −15.4 | 18.8 | 10.9 | 75 | 50 |
Isoeugenol 100 ppm (IC) | 4.9 | 31.5 | −130.4 | 34.4 | 16.4 | 100 | 55 |
Isoeugenol 50 ppm (ID) | 24.4 | −50.7 | −85 | 43.8 | 23.4 | 100 | 54.8 |
2-(3-Hydroxyphenyl) ethanol) 1000 ppm (IIA) | 43.9 | −72.5 | −21.4 | 56.3 | 25.5 | 66.7 | 50 |
2-(3-Hydroxyphenyl) ethanol) 500 ppm (IIB) | 7.3 | −82.7 | 53 | 96.9 | 45.3 | 87.5 | 52.5 |
2-(3-HYdroxyphenyl) ethanol) 100 ppm (IIC) | 29.3 | −96.3 | 76 | 78.1 | 39.1 | 100 | 56 |
2-(3-Hydroxyphenyl) ethanol) 50 ppm (IID) | 26.8 | −60.9 | 30.6 | 87.5 | 35.2 | 100 | 55.3 |
1-Phenylethanol 1000 ppm (IIIA) | 31.7 | 67.4 | 15.7 | 59.4 | 27.3 | 25 | 7.5 |
1-Phenylethanol 500 ppm (IIIB) | 19.5 | 9 | 30.7 | 50 | 26.6 | 62.5 | 42.5 |
1-Phenylethanol 100 ppm (IIIC) | 12.2 | −28.5 | 48.4 | 56.3 | 32.8 | 100 | 55.6 |
1-Phenylethanol 50 ppm (IIID) | −4.9 | −15.4 | 48 | 21.9 | 8.6 | 100 | 54.3 |
3-Phenyl-1-propanol 1000 ppm (IVA) | 87.8 | 95.7 | 88.9 | 53.1 | 25.6 | 100 | 30 |
3-Phenyl-1-propanol 500 ppm (IVB) | 80.5 | 96.5 | 27.8 | 37.5 | 18 | 62.5 | 37.5 |
3-Phenyl-1-propanol 100 ppm (IVC) | 17.1 | −32.2 | 46.1 | 25 | 13.3 | 100 | 52.5 |
3-Phenyl-1-propanol 50 ppm (IVD) | 14.6 | −27.9 | 68.3 | 84.4 | 46.1 | 100 | 55.3 |
2-Hydroxy phenyl acetic acid 1000 ppm (VA) | 56.1 | −16.9 | 5.6 | 96.9 | 53.6 | 62.5 | 30 |
2-Hydroxy phenyl acetic acid 500 ppm (VB) | 41.5 | −35.6 | 42.5 | 87.5 | 36.7 | 75 | 35 |
2-Hydroxy phenyl acetic acid 100 ppm (VC) | 22 | −12.6 | 69 | 93.8 | 39.1 | 100 | 54.5 |
2-Hydroxy phenyl acetic acid 50 ppm (VD) | 19.5 | −12.4 | 54.6 | 90.6 | 32 | 100 | 52.5 |
Control | - | - | - | 87.5 | 55.5 | 100 | 55 |
Mancozeb | 100 | - | - | 6.3 | 3.1 | 25 | 5 |
Negative values are inversed effects: promotion of germination, tube germ growth and sporulation.