Cucumbers commonly face three kinds of blight . All wind to the same outcome : a slow , lingering death . If a stroll through your cuke patch expose short wilt branches with discolored leave of absence , some form of blight could well be the culprit . For tips on how to keep these tight disease aside from your cuke , keep reading .
The Blights and Their Symptoms
As fungous disease , cucumber vine blight can spread into the garden on farting stream and throughout it by splashing water . Most active during fond , rainy weather , they survive for long periods in infected industrial plant debris . The blights most unremarkably affecting cucumbers let in :
Alternaria Leaf Spot
Alternaria attacks from the dirt up . It surfaces with tiny brown leaf spots , often ringed in yellow . As the infection spreads , the leaves become completely brown before withering and dying .
Gummy Stem Blight
Gummy bow blight infects cukes at all stages . It affects an entire vine except the roots . On young seedlings , it surfaces with chocolate-brown leaf spots . old vines have yellow leaf margins follow by chocolate-brown leaf spots and yield with mushy , sunken areas that exudate sticky sinister fluid when pressed .
Phytophthora Blight
Phytophthora also devastates cuke in all stages . Vines experience sudden , lasting wilting from their bases to their tips although their foliage stays light-green . As the infection worsens , they become brown and mushy at the soil line , with amplify , yellow or brown spots . Water - soak areas covered in fibrous white mold cover the fruit .
Expert nurseryman ’s tip : These disease also threaten other members of thecucumber house , include :
Organic Cucumber Blight Control
When you ’re battling cucumber blight , bar is always preferable to control .
Cultural Measures
To keep blight out of the cuke patch , regularly transfer plant debris and cover the soil with 2 in of organic compost . It will stop blight spores from splash onto the vine . Use drip irrigation or a soaker hose to prevent splashing . Trellisyour cucumber and prune exuberant foliage sporadically for better in air travel circulation .
Expert gardener ’s tip : To avoid spreading disease , disinfect your pruning tools between cuts and after economic consumption in a solution of 1 part household bleach to 4 component water .
Chemical Prevention
Spray your cuke with organic liquid copper two weeks before blight unremarkably assume in your area or whenever you ’re expecting extensive rain . If you see symptoms , spray instantly and replicate every workweek to 10 twenty-four hours until the symptom and wet conditions subside . Always comply the recording label ’s instructions regarding dose and spraying frequency .
