7
* PREV-AM is also marketed as PREV-AM PLUS and PREVAM Control of Cleistothecia using PREV - AM TDB

One Pager - Control of Cleistothecia using PREV-AM · * PREV-AMis also marketed as PREV-AM PLUSand PREVAM Control of Cleistothecia using PREV-AM TDB

  • Upload
    others

  • View
    10

  • Download
    0

Embed Size (px)

Citation preview

Page 1: One Pager - Control of Cleistothecia using PREV-AM · * PREV-AMis also marketed as PREV-AM PLUSand PREVAM Control of Cleistothecia using PREV-AM TDB

* PREV-AM is also marketed as PREV-AM PLUS and PREVAM

Control of Cleistothecia using PREV-AM

TDB

Page 2: One Pager - Control of Cleistothecia using PREV-AM · * PREV-AMis also marketed as PREV-AM PLUSand PREVAM Control of Cleistothecia using PREV-AM TDB

Copyright © 2017 • Oro Agri International Ltd. • All rights reserved • PREV-AM is a registered trademark of Oro Agri Inc. IMPORTANT NOTICE: Data provided in this technical document is for information purposes only. Application rate recommendation for this product to be confirmed on in-country label.

Target:Crop:Spray water volume:Location:Trial date:Researcher(s):

Basic informationPowdery mildew (Erysiphe necator)

Wine grape cv Aglianico

1000 l/ha

Acquaviva delle Fonti, Bari - Italy

October 2015 – June 2016

Antonio Guario – Coop Agrolab

Page 3: One Pager - Control of Cleistothecia using PREV-AM · * PREV-AMis also marketed as PREV-AM PLUSand PREVAM Control of Cleistothecia using PREV-AM TDB

Copyright © 2017 • Oro Agri International Ltd. • All rights reserved • PREV-AM is a registered trademark of Oro Agri Inc. IMPORTANT NOTICE: Data provided in this technical document is for information purposes only. Application rate recommendation for this product to be confirmed on in-country label.

Field situationThe trial consisted of 4 thesis:

Prev-am 400 ml/hl

Sulphur (Tiovit Jet) 500 g/hl

Meptyl dinocap (Karathane star) 40 ml/hl

UTC

The aim of this trial was to demonstrate the correlation between "density of cleistothecia" in autumn and intensity of powdery mildew in the following season

The trial was carried out on blocks of about 230 m2, divided in 4 sub-areas to obtain 4 replications for each thesis

The first application was performed after the harvest, at the appearance of the cleistothecia. Two application were initially planned, but three application (12/10 – 19/10 – 24/10/2015) in total with 7 days of interval were done using a motorized backpack sprayer with a single cone nozzle (HC Albuz yellow) because a heavy rain occurred after the second application.

On 22 June 2016 an assessment was carried out on the vegetation during the maturation stage (BBCH 73-75) in order to evaluate, on the new vegetation, the effect of the active substances used in the previous autumn.

Three applications of sulphur were performed from April to June on all thesis.

Page 4: One Pager - Control of Cleistothecia using PREV-AM · * PREV-AMis also marketed as PREV-AM PLUSand PREVAM Control of Cleistothecia using PREV-AM TDB

Copyright © 2017 • Oro Agri International Ltd. • All rights reserved • PREV-AM is a registered trademark of Oro Agri Inc. IMPORTANT NOTICE: Data provided in this technical document is for information purposes only. Application rate recommendation for this product to be confirmed on in-country label.

Field situationStage of Powdery Mildew when Prev-am was applied

Page 5: One Pager - Control of Cleistothecia using PREV-AM · * PREV-AMis also marketed as PREV-AM PLUSand PREVAM Control of Cleistothecia using PREV-AM TDB

Copyright © 2017 • Oro Agri International Ltd. • All rights reserved • PREV-AM is a registered trademark of Oro Agri Inc. IMPORTANT NOTICE: Data provided in this technical document is for information purposes only. Application rate recommendation for this product to be confirmed on in-country label.

Results

0

10

20

30

40

50

60

70

80

90

100

PREV-AM 400 ml/hl

UTC infection rate: 326,1 n. of cleistothecia per leaf on 29/10/2015 (20,9 on 12/10/2015)

Tiovit jet 500 g/hl Karathane star 40 g/hl

First Assessment – Cleistotechia on leaves

% reduction n. of cleistothecia (treated leaves vs UTC leaves)

% o

f red

uctio

n n.

cle

isto

thec

ia

Page 6: One Pager - Control of Cleistothecia using PREV-AM · * PREV-AMis also marketed as PREV-AM PLUSand PREVAM Control of Cleistothecia using PREV-AM TDB

Copyright © 2017 • Oro Agri International Ltd. • All rights reserved • PREV-AM is a registered trademark of Oro Agri Inc. IMPORTANT NOTICE: Data provided in this technical document is for information purposes only. Application rate recommendation for this product to be confirmed on in-country label.

Results

PREV-AM 400 ml/hl

Second Assessment – Powdery mildew on bunches

Efficacy on bunches (Severity)

Tiovit jet 500 g/hl Karathane star 40 g/hl

0

10

20

30

40

50

60

70

80

90

100

Untreated at 22/06/2016 70% bunches infected

% e

ffica

cy

Page 7: One Pager - Control of Cleistothecia using PREV-AM · * PREV-AMis also marketed as PREV-AM PLUSand PREVAM Control of Cleistothecia using PREV-AM TDB

Copyright © 2017 • Oro Agri International Ltd. • All rights reserved • PREV-AM is a registered trademark of Oro Agri Inc. IMPORTANT NOTICE: Data provided in this technical document is for information purposes only. Application rate recommendation for this product to be confirmed on in-country label.

ConclusionThe trial showed a good control level of cleistothecia using PREV-AM after the harvestIn particular, PREV-AM inhibited the formation of cleistothecia, reducing also in the following vegetative season the severity of infections on the clusters, certainly due to the reduced inoculum in the treated area.