Title:	Fusarium wilt of banana in Brazil: current state and research advances at Embrapa towards sustainable disease management.
Authors:	RODRIGUEZ, M. A. D. HADDAD, F. AMORIM, E. P.
Affiliation:	MIGUEL ANGEL DITA RODRIGUEZ, CNPMF; FERNANDO HADDAD, CNPMF; EDSON PERITO AMORIM, CNPMF.
Date Issued:	2017
Citation:	Fitosanidad, Havana, v. 21, n. especial, 2017. Edição dos resumos do VIII Seminario Científico Internacional de Sanidad Vegetal, Havana, 2017. Por la transición de la agricultura cubana hacia la sostenibilidad. Ref. Foc-05.
Pages:	p. 25-26.
Description:	Fusarium wilt (FW) impairs banana production in large areas of Brazil, affecting mainly the most profitable cultivars: \'Maçã\' (Silk, AAB) and ‘Prata’ (Pomme, AAB). Plant nutrition is frequently associated with disease severity, but little is known about the banana-FW pathosystem in Brazil. In this work we samples 18 farms in four different production systems in SP. In each farm areas with low (FOC-) and high (FOC+) incidence of FW were selected for plant analysis. Lamina of the third leaf were sampled and analyzed for nutrient content. The main differences between FOC- and FOC+ areas were related to N, K and Ca contents. The most outstanding effect of FW on plant nutrition was the reduction of K and Ca. This might be explained by the fact K and Ca are highly linked to water transport and FW causes severe damages in the vascular system. Interestingly, a relative increase of N content was also observed in some FOC+ plants. This may be due to a concentration effect as a result of growth reduction caused by FW. Our data suggest FW triggers a feedback mechanism towards destabilization in banana. The significant reduction of Ca and K detected on infected plants and the documented role of these nutrients on plant resistance, open opportunities to better understand soil-based management strategies of FW in banana.
Thesagro:	Banana
NAL Thesaurus:	Musa
Keywords:	Integrated management Panama disease
Type of Material:	Resumo em anais e proceedings
Access:	openAccess
Appears in Collections:	Resumo em anais de congresso (CNPMA)