AlmondFacts_SeptOct_2017 - page 17

NEMATODES CAUSED
$157B
IN YIELD LOSS
WORLDWIDE2
NEMATODE
THREATS TO
ORCHARD
HEALTH AND
LONGEVITY
-345 Lb./A
REDUCED
CROP YIELD1
DISEASE
TRANS-
MISSION
LOW TREE
VIGOR
REDUCED
WATER &
NUTRIENT
UPTAKE
UNSEEN BUT
FIERCE ON
Nematodes, microscopic roundworms barely visible to the naked eye,
pose a serious problem for walnut and almond growers. Even with proper
sanitation and fumigation practices, nematodes can still become an issue
after setting new trees. Nematode populations can build up in the soil,
attack tree roots and impact overall tree health.
Applications of Movento® in established
orchards helped result in:
85%
SUPPRESSION OF
RING NEMATODES
59%
SUPPRESSION OF
ROOT LESION NEMATODES
“Established orchards saw better yield where Movento ®
was used to treat for high nematode pressure. The tree
has a lot of vigor and doesn’t stress as bad.”
According to Tim Weststeyn, a pest control advisor (PCA) with Crop Production Services
in Vernalis, CA. He consults on 4,000 to 5,000 acres of tree nuts and is in his third year of
treating established almond trees with Movento for nematode management.4
EXPERTS SAY
GROWERS CAN’T SEE
NEMATODES :
ROOT
DAMAGE
A NEMATODE-CAUSED
TREE DEATH CAN CREATE25YRS
OF YIELD LOSS
IN YOUNG TREES
BEST PRACTICES FOR
TREATING NEMATODES3
RESEARCH SHOWS
ROOT HEALTH & TREE LONGEVITY THREAT
1Average yield loss in lbs. per acre is based on California Agricultural Statistics Review, 2014–2015. California Department
of Food and Agriculture.
2“Nematodes: A Threat to Sustainability of Agriculture,” Satyandra Singh, Bijendra Singh and A.P. Singh.
3University of California – Cooperative Extension. Department of Agriculture and Resource Economics. UC Davis, 2012.
4“The Dangers of Nematodes,” Growing Produce – 2012.
Ring nematodes/500g sample in almonds (2009–2011)
(Butte & Padre pooled, n=24 trees)
18-MONTH TRIAL
400
Two-year trials show
MOVENTO® SUPPRESSES RING NEMATODES BY 85%
800
1,200
2,000
2,400 UNTREATED MOVENTO® 9 oz.
NUMBER OF NEMATODES
ROOT HEALTH
1,600
Sample for nematodes to determine the
presence, species and number of nematodes
through an experienced lab.
If possible, fumigate the soil prior to planting
new trees. This will reduce the number of
nematodes initially, but will offer only a
temporary solution.
Applications of Movento® in established orchards
resulted in a reduction of nematode populations.
Movento does offer a nematode management
tool that can easily be incorporated into a tree
nut grower’s cultural practices.
1.
2.
3.
Trial conducted by Gary Braness, Bayer CropScience, Kerman, CA, 2009–2011.
Trial conducted by Gary Braness, Bayer CropScience, Kerman, CA.
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