Articles
SUSCEPTIBILITY OF FIVE DENDRANTHEMA GRANDIFLORA CULTIVARS TO PHOMA SP. AND EVALUATION OF A BIOCONTROLLER
Article number
482_32
Pages
219 – 222
Language
Abstract
All of the Dendranthema grandiflora cultivars – Dark Pink Jean, Gallant, Vero, Polaris and Moda – showed symptoms 21 days after being sown, at a 142.46 g dose of Phoma sp.; Polaris was also affected by 3 to 24 g doses.
Moda was the most resistant of all the cultivars.
The height of the Dark Pink Jean cultivar was affected by a 9 to 24 g dose.
The Gallant and Dark Pink Jean cultivar leaves resisted 3 to 12 g.
The roots of Moda, Vero and Dark Pink Jean were the most rapidly affected by disease; Gallant and Polaris roots were affected by 24 g of Phoma in liquid.
Plant mortality was high in this substrate because Phoma sp. helps Botrytis cinerea attack. The Trichoderma sp. isolate T7 in vitro is a more effective inhibitor of Phoma sp. than T17, T18 and T2B.
Moda was the most resistant of all the cultivars.
The height of the Dark Pink Jean cultivar was affected by a 9 to 24 g dose.
The Gallant and Dark Pink Jean cultivar leaves resisted 3 to 12 g.
The roots of Moda, Vero and Dark Pink Jean were the most rapidly affected by disease; Gallant and Polaris roots were affected by 24 g of Phoma in liquid.
Plant mortality was high in this substrate because Phoma sp. helps Botrytis cinerea attack. The Trichoderma sp. isolate T7 in vitro is a more effective inhibitor of Phoma sp. than T17, T18 and T2B.
Authors
L.M. Prieto, G.R. Ochoa, E. Garcés de Granada, F. Valcarcel
Keywords
Online Articles (61)