Page 48 - Grapevine JanFeb 2022

Around The Vineyard

addition, it is a great companion when used with said Yadon. “Powdery Mildew probably causes the
mating disruption products. Cinnerate can be tank- most damage, followed by Botrytis and Sour Rot,
mixed with narrow range oils and can be applied so growers dedicate significant resources to assure
with sulfur if desired. disease-free grapes. Powdery Mildew is especial-
ly problematic, so control starts at budbreak to
“Cinnerate is knock down spores that overwinter and stop the
effectively used disease from gaining an early foothold. The best
with both organic Powdery Mildew strategy is preventative and flex-
and conventional ible enough to include a curative if an expression
grapes as a suc- starts to develop. Resistance management is also
cessful and sus- important, so early applications with a multi-site
tainable solution mode of action fungicide with low resistance are
to control pests,” the best guard against resistance later in the year.
said Yadon. Conditions for favorable Botrytis growth usually
“Applications of show up later in the growing season, but early-sea-
Cinnerate are son treatments from budbreak to early bloom are
most effective warranted if necessary.”
when starting
early in crop Sym-Ago’s Instill copper bactericide/fungicide
development is an ideal choice for budbreak treatments to
before canopy reduce overwintering Powdery Mildew spores and
become dense. Phomopsis, a type of fungus. Instill is a low-dose
Cinnerate con- multi-chelated copper that protects new bud tis-
trols pests through contact, so adequate coverage sue. It has 14-21-day protection and is rain safe in
is paramount for success. Growers using multiple just a few hours. Tank mixing Instill copper with sul-
applications of Cinnerate during the season are fur at budbreak enhances control. Instill can safely
experiencing less disease and insect pressure, high- be used all season long for preventative control
er quality fruit, and a more robust beneficial pred- of Powdery Mildew, Botrytis, Downey Mildew and
ator resume. And early applications naturally result Sour Rot.
in lower pest populations even before the availabil-
ity of beneficial predators.” Along with being an option for mite, mealybug,
and leafhopper control, Cinnerate is also an OMRI-
Debilitating crop disease is another issue that certified replacement for oxidizers or potassium
has to be addressed early. Yadon said that future carbonates and functions as a contact curative fun-
trends in the wine industry would likely include gicide for Powdery Mildew. Additionally, Cinnerate
increases in mechanical field practices, including is an effective pre-harvest treatment for post-har-
harvesting and pruning. These increased prac- vest fruit quality in table grapes.
tices will transform basic vine architecture and
impact both insect and disease behavior patterns. “And now, our growers have an additional and
Additionally, changing weather patterns combined powerful Powdery Mildew and Botrytis fungicide
with the possibility of increasing heat and accompa- to use in conventional and organic grapes called
nying water restrictions will impact vines, increase ProBlad Verde,” said Yadon. “It comes from the
trunk disease pressure, lessen foliar disease pres- Lupin plant as a seed protection protein and has a
sure, and impact insect populations and species. multi-site mode of action with meager resistance
potential. ProBlad Verde is most effective when
“Sym-Agro offers a robust lineup of fungicides used as a preventative, providing 7-14-day protec-
and bactericides for use on all types of grape crops tion, and can be positioned as a stand-alone or with
that includes multi-site mode of action compounds other fungicides. Due to its curative and preventa-
with very low resistance and excellent crop safety,” tive action, it works well early to keep the disease

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