Bacterial Wilt Incidence in Tomato as Affected by Cultivar and the Depth of Lime Incorporation.
Year: 1993
Type: article
Abstract: A single lime application of 5.4 t/ha per 20 cm increment of soil to a depth of 60 cm controlled bacterial wilt (Psendomonas solanacearum E. Smith) up to 2 years in tomato (Lycopersicon esculentum Mill.) growing in a naturally infested soil. `Sunny' with 64% disease incidence, was the most susceptible, `Capitan' (20%) was intermediate, and `Caraibo' (5%) and `Hawaii 7997' (2%) were the least susceptible. Incorporation of lime 40 to 60 cm deep reduced bacterial wilt incidence in 'Capitan' by 75%, and 60% in `Sunny'. The number of bacteria in the soil was not affected by lime treatment. Soil pH and total Caincreased linearly with time and with depth of lime incorporation. Bacterial wilt control in `Sunny' and `Capitan' was associated with an increase in pH. Liming to 40 or 60 cm generally increased leaf Ca and decreased Mn, Zn, and Cu. `Hawaii 7997' contained significantly higher concentrations of Ca, Mg, and K, and lower Cu compared to 'Sunny'. `Hawaii 7997' produced significantly higher yields than the other cultivars. Deep lime incorporation increased fruit weight of `Sunny' by 184% and 'Capitan' by 79% as compared with 0 lime.
Source: HortScience
Authors: R. Ssonkko, S.J. Locascio, R.E. Stall, D.N. Maynard
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: bronze
OpenAlex ID: W2585358197