Abstract
Experiments were carried out at Vegetable
Research and Development Station Bacau during
2011 – 2012, in tomato cultivated in tunnels.
In the climatic conditions of 2011 – 2012
years the following pathogens have been observed:
- Cladosporium fulvum - Tomato Leaf Mould
- Alternaria sp. – Early blight (brown spotting of the
leaves of tomato).
- Phytophthora infestans - Downy mildew, Tomato
blight.
Tomato Leaf Mould was observed on tomato
plants at the following cultivars:
- Amonita, frequency of attack (FA%) - 90%
intensity of attack (IA%) 84% degree of attack
(GA%) 75.6%.
- 5.5.C, FA% - 18.8%, IA% - 21.5%, GA% - 4.1%.
- Abelus, FA% - 40%, IA% - 46.9%, GA% - 18.8%.
- Inima de bou, FA% - 100%, IA% - 25%, GA -
25%.
The variety Inima de bou was the most
sensible to disease, with a 100% frequency of attack
and 25% intensity of the attack. This cultivar was
followed by the hybrids: Ammonita GA% - 75.6%,
Abelus GA% - 18.8% and 5.5.C, GA% - 4.1%.
Alternaria sp. had lower attack:
- 1.1.C; AF% 50% IA% - 9.4% GA% - 4.7%.
- Inima de bou, FA% - 100; AI% - 9.4% GA% -
9.4%.
Due to high temperatures and low humidity,
downy mildiew had a lower attack, as:
- 1.1.C F% - 30% I% - 3.2% GA% - 0.9%.
- L 15, F% - 10% I% - 12.5% GA% - 1.3%.