UNOSTAR BIOCHEM INDIA PVT LTD

Disinfection in Grapes Cultivation

S.No.	Disease	Pathogen	Symptoms	Method of Application*
1	Anthracnose/Bird’s eye rot	Anthracnose/Bird’s eye rot	dark red lesions on the fruit, some even cause the leaf to curl	Drip
2	Botrytis bunch rot/ Grey mold	Botrytis cinerea	brown lesions on the stem, with a gray to tan powder, causing the stems and grapes to shrink	Drip
3	Black rot	Guignardia bidwelli	brown lesions on the leaves which develop into black dots (pycnidia), hardening the grapes, even while on the vine	Drip
4	Dieback	Eutypa lata	stunted withered leaves, with dark blights on wood	Drip
5	Root knot nematodes	Meloidogyne sp.	gall formation on the roots, and reducing plant life	Drip / Drench
6	Crown Gall	Agrobacterium vitis	blistered vines and yellow wilted leaves. The fruits dry out and collapse	Drip
7	Downy mildew	Plasmopora viticola		Spray
8	Powdery mildew	Erysiphe necator	characterized by patches: red on canes, yellow on leaf surfaces, and typical of its name, powdery growth on leaves and fruit	Spray
9	Pierce's Disease	Xylella fastidiosa	yellow to red edges on leaves accompained by shrinking of the fruits	Spray
10	Phomopsis cane	Phomposis viticola	yellow edged dark lesions on the canes and leaves that appear to be bleached	Spray
11	Crown Gall	Agrobacterium vitis	blistered vines and yellow wilted leaves. The fruits dry out and collapse	Drench
12	Armillaria Root Rot	Armillaria mellea	weak shoots, and a white fungal mat under the bark, along with wilte leaves	Drench