Mabu Thermas & Resort
Foz do Iguaçu, PR - Brazil

September 18 - 23, 2016

SUSTAINABLE CITRICULTURE:
the role of applied knowledge

Parallel Seminars

USDA

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Short Bio

Dr. Baldwin started her career as a postdoc with ARS in Athens, GA as a Research Associate, Research Plant Physiologist. She then transferred to a permanent position in at the Citrus & Subtropical Products Laboratory in Winter Haven, FL as a Research Horticulturist, where she eventually became Research Leader and Location Coordinator. The lab was relocated in 2011 to the Horticultural Research Laboratory in Ft. Pierce, FL where Dr. Baldwin is now Research Leader of the Citrus and Other Subtropical Products Unit. She works in the area of postharvest fruit physiology and food science, with emphasis in applied and basic problems related to fresh or processed fruit product storage, ripening and flavor.

Summary of lecture

Effect of citrus greening or huanglongbing (HLB) disease on orange juice volatile and non-volatile compounds that affect aroma and taste as well as disease management strategies for flavor, fruit decay and drop

Huanglongbing (HLB) disease has decimated citrus production worldwide and is currently impacting the Florida citrus industry. Florida production has fallen from 250 million boxes of citrus fruit per year, to 81.5 this past season. In Florida, 90% of the fruit are juiced with about 10% of the industry being in fresh fruit. Further impacts of HLB are the increased costs of production to combat the disease, which has also resulted in lost acreage, closure of many packinghouses and several juice processing plants. In addition, HLB disease results in off-flavor of orange juice due to decreased sugars, sometimes increased acids and increased levels of bitter limonoids and astringent flavonoids. The aroma volatile profile of the juice and the essential oil by-product is also altered, favoring terpenoid compounds at the expense of aldehyde and ester top notes. Flavor management strategies for processors are being developed to predict quality of incoming fruit juice, such as use of electronic tongue and qPCR to detect the pathogen. Efforts are continuing to identify other off-flavor compounds and to develop methods to mitigate their off-flavor effects. The foliar nutritional sprays, used by growers to mitigate disease symptoms on trees, was investigated for effects on juice quality, although no consistent results were found. Interaction of HLB with other fungal pathogens was also studied for effect on postharvest fruit decay and their contribution to HLB pre-harvest fruit drop.

Sponsors

Diamond Sponsor

bayer
yara
pratts
cutrale

Golden Sponsor

fundecitrus
arysta
citrosuco
itaipu

Silver Sponsor

samarita
cambuhy
integrada
ticofrut
sidel
ldc
mutua
solpack

Bronze Sponsor

agromillora
defensive agrovant
faro agricola
cocamar
metalfor
crb
crea
klabin

Supporters

secretaria parana3
fundacao araucaria3
fapesp
crdf
agrisus
cnpq
capes
ccqc
petrobras

Partners

gtacc
GCONCI - Grupo de Consultores em Citros
atda
Iguassu Convention & Visitors Bureau
londrina convention
embrapa
sgf
afinoa
nova citrus
eecb
ifu
inta
all plant
criattiva
tnt
tnt
agricenter
movix
fae

Organizers

laranja
ccsm
iac
apta
governo sp
fapeagro
iapar
governo pr

Official agency

F&B Eventos

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