EFFECT OF SALT AND WATER STRESS ON MORPHOLOGICAL AND PHYSIOLOGICAL PARAMETERS OF THREE VARIETIES OF TOMATO (LYCOPERSICON ESCULENTUM MILL.) CULTIVATED IN CÔTE D’IVOIRE.
Kouassi N’dri Jacob
, Ayolie Koutoua
, Seu Jonathan Gogbeu
, Soro Dognimeton
, Kouakou Tanoh Hilaire
and Kouadio Yatty Justin.
- Universite Jean Lorougnon Guede, Laboratoire de physiologie et pathologie vegetale, BP 150 Daloa, Cote d’Ivoir.e
- Universite Nangui Abrogoua,UFR Sciences De La Nature, 02Bp 801 .Abidjan, Cote d’Ivoire.
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Tomato (Lycopersicon esculentum Mill.), Plant nutrition and economic interests, is often confronted with adverse environmental conditions including saline and water stress. These phenomena are forcing plants to significantly reduce their production. Thus, to address this issue, three varieties of tomato (Petomech, UC82B and Tropimech) were used to assess the impact of salt and water stress on morphological and physiological parameters. For this, tomato varieties were subjected to four concentrations of NaCl (0, 2, 4 and 6 g / L) and five water treatment (150, 100, 75, 50 and 25% of field capacity). The results show that NaCl decreases significantly the morphological parameters. However, this reduction is accentuated to 6 g / L. At the physiological level, NaCl has significantly reduced water content of the plant, chlorophyll a, b and total (t) and carotenoid content. Water stress reduced the morphological and physiological parameters.
[Kouassi N’dri Jacob, Ayolie Koutoua, Seu Jonathan Gogbeu, Soro Dognimeton, Kouakou Tanoh Hilaire and Kouadio Yatty Justin. (2016); EFFECT OF SALT AND WATER STRESS ON MORPHOLOGICAL AND PHYSIOLOGICAL PARAMETERS OF THREE VARIETIES OF TOMATO (LYCOPERSICON ESCULENTUM MILL.) CULTIVATED IN CÔTE D’IVOIRE. Int. J. of Adv. Res. 4 (Sep). 761-767] (ISSN 2320-5407). www.journalijar.com
