The surface expanse of the large , umbrella - like leaves of the squash industrial plant is more than plentiful for bewitch lively constituent from the sun . Unfortunately , there are also elements that destroy the leave .
Characteristics of Squash Leaves
Most gardener can readily discover a squash racquets works by its leave . All mash flora folio look standardized with some characteristic exceptions . taxonomer assort the parting of squeeze plant in these three ways :
Squash Leaves Are Health Indicators
Squash folio may be round-eyed to key out , but diagnosing problems with them may not be . The leaves of a squash racquets works are like their “ thermometers , ” alerting the gardener to likely health issues . Discolored leave of absence are the indicator to watch for . An law-abiding gardener is alert to the stressor in a plant before the job becomes vital .
Cold Temperatures
Leaf edges can turn olive green to browned with sudden temperature drib . This can occur when the air temperature dips below 50 ° F(10 ° deoxycytidine monophosphate ) or the soil temperature is lower than 62 ° F(17 ° C ) .
Downy Mildew
Downy mold causes folio to first develop pale unripened toyellow spotson the upper side . Leaves later change state brown . If mellow humidness is present , a purplish gray fuzz will develop on the underside of the leaves .
Powdery Mildew
The oldest leaves of a squash plant initially develop wan yellow spots whenpowdery mildewinvades . Soon a white to gray gunpowder can be take care and feel on the leaves . If powdery mildew is not killed , leave-taking and vines can fade and die .
Squash Vine Borer
Thesquash vine boreris perhaps the most dreaded pestilence that tone-beginning squash plants . The borer ’s feeding causes yellowing and wilting of the leave .
Squash Bugs
One of the most common pests to squash plants is thesquash bug . The 5/8 in long gray to dark brown adult and small gray nymph can cause yellowing and wilting of squash leaves .
Viruses
Two mosaic viruses can cause temporary , blotchy to wavy mosaic patterns in shades of sensationalistic and unripe on squeeze leave . The leaf may become distorted , wrinkled and curl .
Bacterial Wilt
This bacteria causes leave to appear dim green , wilt during the day , and find at nighttime . Soon the leave croak .
Spider Mites
This 1/50 inch long plague can cause squelch leaves to appear pale and stippled . If intemperately infested , the undersurface of foliage can be webbed .
Aphids
This tiny piano - bodied insect can do squelch leaves to move around yellow and wilt . aphid transmit virus as well that can be devastating to leafage and entire plants .
sustain your squash rackets plant goodish through proper watering , feeding , and produce in a right spot in the garden goes a long style in receive problem - free foliage .
