All the gummosis present on the stem and main branches was removed before chemical application.
All the chemicals were sprayed after physical removal of gummosis present and thus exposing the already present exit holes to penetration by the insecticides.
Multiple Botryosphaeria species causing 'Do thiorella' gummosis
Frequent outbreaks of citrus gummosis in Kenyan citrus orchards have been reported, yet the identity and distribution of the Phytophthora species causing the disease are unknown.
The distribution and prevalence of Phytophthora species associated with citrus gummosis in Kenya is shown in Table 1.
Percentage of gummosis
incidence on citric fruit (C.
Ploetz et al, (1997) observed the symptoms of decline, tip dieback and gummosis
from mango nurseries artificially inoculated with Alternaria altemata, Glomerella cingulata, Dothiorella dominicana, Botryodiplodia theobromae and Phomopsis sp.
Whereas brown rot attacks the fruit, gummosis attacks the tree itself.
Gummosis causes blisters on the bark of young peach trees in the third year after planting.
2005) for evaluating disease incidence and severity of cashew gummosis
and mango decline respectively, caused by L.
Many additional fungi have been associated with symptomatic tissues exhibiting bud necrosis, tip die-back, gummosis
and vascular discoloration including: Alternaria alternata, Cladosporium sp.
Even though chemical control is still an option to manage the disease, gummosis
is still an important problem in nurseries and young orchards.
5%) were also found to suffer from gummosis
at the trunk base.
Evaluation of resistance in dwarf cashew to gummosis
in northeastern Brazil.
Initial symptoms of the disease include gummosis
from the bark which leads to branch death on affected trees.