Results 11 to 20 of about 19,067 (264)

Chitosan in the control of rose powdery mildew and downy mildew [PDF]

open access: yesPlant Protection Science, 2002
Microcrystalline chitosan at concentrations from 0.025% to 0.2% was evaluated in the control of Sphaerotheca pannosa var. rosae and Peronospora sparsa. Shrubs were sprayed with chitosan 4 times at weekly intervals. Depending on the concentration used, chitosan reduced development of powdery mildew from 43.5% to 77% and its effectiveness was similar to ...
openaire   +2 more sources

PATHOGENIC COMPLEX OF HYBRIDS OF Allium cepa L. IN SOWING CULTURE UNDER DRIP IRRIGATION

open access: yesОвощи России, 2012
The phytopathogenic complex is studied and yield of nine hybrids of bulb onion under growing in annual crops using drip irrigation. The same diseases that afflicted bulb onions in Siberia in the biennial crop of onions are revealed. The highest yield for
S. A. Ferapontova
doaj   +1 more source

A dimeric stilbene extract produced by oxidative coupling of resveratrol active against Plasmopara viticola and Botrytis cinerea for vine treatments

open access: yesOENO One, 2020
Aim: Stilbenes are a group of polyphenols that contribute to the defense mechanisms of grapevine under stress conditions. The main active compounds are oligomeric stilbenes. The sourcing of such compounds is limited by plant raw material availability. In
Toni El Khawand   +10 more
doaj   +1 more source

Study on the Identification and Detection of Walnut Quality Based on Terahertz Imaging

open access: yesFoods, 2022
Objective: Walnuts have rich nutritional value and are favored by the majority of consumers. As walnuts are shelled nuts, they are prone to suffer from defects such as mildew during storage.
Jun Hu   +5 more
doaj   +1 more source

Aspects de la recherche mondiale sur le tournesol

open access: yesOléagineux, Corps gras, Lipides, 2004
The 16th International Sunflower Conference was held from August 29th to September 2th, 2004 in Fargo, North Dakota, USA. 250 participants were present and 25 countries were represented. The leaders of the world’s main research programs on sunflower were
Jouffret Pierre   +5 more
doaj   +1 more source

Segregation of powdery mildew (Podosphaera leucotricha [Ell. et Ev. /Salm./]) resistance within 54 apple progenies

open access: yesHorticultural Science, 2004
The occurrence of powdery mildew after heavy spontaneous infections was evaluated on 2,500 apple seedlings of 54 progenies that were derived from crosses made in 1993 and 1994. At the same time, the response to mildew was also assessed on 47 cultivars or
J. Blažek   +2 more
doaj   +1 more source

Electronic Nose-Based Technique for Rapid Detection and Recognition of Moldy Apples

open access: yesSensors, 2019
In this study, the PEN3 electronic nose was used to detect and recognize fresh and moldy apples inoculated with Penicillium expansum and Aspergillus niger, taking Golden Delicious apples as the model subject.
Wenshen Jia   +4 more
doaj   +1 more source

Seven-year orchard performance of eleven new apple cultivars from Holovousy in comparison with some commonly grown ones

open access: yesHorticultural Science, 2006
In an orchard trial that was established in the spring of 1999 on M 9 rootstock at the spacing of 4 × 1 m, eleven new apple cultivars bred in Holovousy (Angold, Julia, Nabella, Primadela, Produkta, Resista, Rubinstep, Rucla, Selena, Vysočina and Zuzana ...
J. Blažek, J. Křelinová
doaj   +1 more source

Orchard performance and fruit quality of 50 apple cultivars grown or tested in commercial orchards of the Czech Republic

open access: yesHorticultural Science, 2007
Tree vigour, occurrence of mildew and scab, yields, yield efficiency, fruit weight, flesh firmness and soluble solids content of apple trees on M 9 rootstock were monitored between 1998-2005 in 42 commercial orchards situated in all the major growing ...
J. Blažek, I. Hlušičková
doaj   +1 more source

Genetics of powdery mildew disease resistance in blackgram [Vigna mungo (L.) Hepper]

open access: yesElectronic Journal of Plant Breeding, 2023
Powdery mildew susceptible (VBN 11) and resistant (LBG 17) blackgram genotypes were crossed. Parents, F1, F2, F3, F4 and BC1F2 of cross VBN 11 X LBG 17 were screened against powdery mildew disease.
P. Punithavathy1, D. Kumaresan2*, N. Manivannan3, N. Manikanda Boopathi4 and G. Senthilraja5
doaj   +1 more source

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