RESEARCHES ON MONITORING AND EARLY WARNING OF BROWN ROT MONILIA LAXA ATTACK ON SOME VARIETIES OF CHERRY AND PLUM-Reference-Cited by-同舟云学术

RESEARCHES ON MONITORING AND EARLY WARNING OF BROWN ROT MONILIA LAXA ATTACK ON SOME VARIETIES OF CHERRY AND PLUM

Published:2020-12-22 Issue: Volume:36 Page:33-44
ISSN:2602-1978
Container-title:Fruit Growing Research
language:
Short-container-title:FGR

Author:

Marin Florin Cristian¹,Calinescu Mirela²,Sumedrea Mihaela¹,Chitu Emil¹

Affiliation:

1. Research Institute for Fruit Growing Pitesi, Romania

2. Reseach Institute for Fruit Growing Pitesi, Romania

Abstract

Brown rot caused by Monilia laxa (Aderh. & Ruhland, Honey) is one of the most damaging fungal disease for stone fruit species, in all European countries and in Romania as well. A great deal effort is done to study its biology and ecology, for disease monitoring and containment. This paper presents the result obtained at RIFG Pitesti Romania during 2018-2020 in monitoring and early warning of the disease attack, using two different weather stations and forecast modules made in Europe and USA. A correlation was found (R2=0.0146, r=0.1208, n=585), which proves that the microclimate was favorable for stone fruits brown rot infections, for varieties evaluation and classification and to supply data to develop new early warning tools as well. The results obtained with the two forecast systems makes possible the early warning on the attack risk of brown rot, both cherry and plum orchards. In the same period 26 cherry and 22 plum varieties were studied regarding their behavior to the pathogen natural infections. Among the Romanian varieties the ones with the lowest damages degree were: 'George', 'Clasic', 'Daria', 'Negre de Bistriţa', 'Roşii de Bistriţa', 'Rubin', 'Severin' and 'Uriaşe de Bistriţa' (DD%=0.13-0.14) on cherry and 'Pescaruş' 'Record', 'Gras ameliorat', 'Romanţa', 'Roman, 'Ialomiţa' and 'Dâmboviţa' (DD%=0.03-0.14) on plum. Under long term study, the most sensitives to brown rot attack were 'Lapins' cherry variety (DD%=3.93) as well as 'Stanley' Centenar and 'd’Agen' plum varieties (DD%=4.68-4.72), which can be used as 'indicators', in order to triggers the phytoprotection programs.

Publisher

Research Institute for Fruit Growing

Subject

Horticulture,Soil Science,Agronomy and Crop Science

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