PDF^ Pêra: Fitossanidade

Pêra: Fitossanidade

(PDF) Postharvest diseases in 'Pêra' orange cultivated in

Postharvest diseases in 'Pêra' orange cultivated in organic and conventional systems and resistance of Penicillium digitatum to fungicides.pdf 2 8 Summa Ph ytopathol., B otucatu, v. 39, n. 1, p ...

RESISTANCE TO ALTERNARIA BROWN SPOT OF NEW CITRUS HYBRIDS

RESISTANCE TO ALTERNARIA BROWN SPOT OF NEW CITRUS HYBRIDS1 KELLY APARECIDA FERNANDES DE CAMPOS2, FERNANDO ALVES DE AZEVEDO 3, MARINÊS BASTIANEL 3, MARIÂNGELA CRISTOFANI YALY ABSTRACT Alternaria brown spot (ABS) disease is caused by the fungus of Alternaria alternata f. sp. citri, which causes injury in leaves, branches and fruits of citrus.

CORE

The collections were undertaken monthly, and yellow stick traps (Biocontrole®) was used as a sampling method in Folha murcha, Valência, Pêra and Natal oranges trees [Citrus sinensis (L.) Osbeck]. In Pêra and Valência trees, the most often captured sharpshooter was Dilobopterus costalimai.

Genetic Diversity and Population Differentiation of the

One of the most important diseases that affect sweet orange orchards in Brazil is the Citrus Black Spot that is caused by the fungus Guignardia citricarpa . This disease causes irreparable losses due to the premature falling of fruit, as well as its severe effects on the epidermis of ripe fruit that renders them unacceptable at the fresh fruit markets.

CORE

The aim of this work was to determine the space distribution of the disease inside commercial orchards in the Northwest of Paraná, using molecular methods. Symptomatic orchards were selected for CVC with the varieties 'Pêra', 'Valência' and 'Folha Murcha' (Citrus sinensis Osbeck).