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Qaagi - Book of Why

Causes

Effects

by the fungus Calonectria pseudonaviculata ( syn(passive) caused byboxwood blight disease

first(passive) was ... discoveredU.S. Boxwood blight

by Fusarium oxysporum f. sp(passive) caused byFusarium blight

by Fusarium oxysporum(passive) caused byFusarium blight

by Fusarium spp .(passive) caused byFusarium blight

by Pythium spp . , Rhizoctonia solani , and Fusarium spp(passive) caused bySeedling blight

Fusarium fungi , including F. graminearumcauseseedling blight

by Botrytis cinerea , Fusarium , Pythium spp(passive) caused byseedling blight

by Rhizoctonia solani and Fusarium(passive) caused byseedling blight

by Fusarium , Rhizoctonia and Pythium(passive) caused byseedling blight

by Botrytis , Fusarium and Rhizoctonia(passive) caused byseedling blight

by the seed - borne scab fungus(passive) caused byseedling blight

Disease cycle Fusarium culmorum ... , Fusarium head blightcausesseedling blight

by the fungal pathogen Calonectria pseudonaviculata(passive) caused byBoxwood blight

The fungal pathogen , Calonectria pseudonaviculatacausesboxwood blight

by the fungal pathogen Calonectria pseudonaviculata(passive) caused byBoxwood Blight Boxwood blight

by Phomopsis vexans(passive) caused byPhomopsis blight

the fungus Calonectria pseudonaviculata or Cylindrocladium buxicola(passive) is caused byBoxwood blight

Pythium speciescauseseedling blight

by fusarium spp(passive) caused bySeedling blight

by Fusarium spp .(passive) caused byseedling blight

by Fusarium spp(passive) caused bySeedling blight ... .

disease caused by the fungus Rhizoctoniacan causeseedling blight

first(passive) was ... discoveredScletotinia blight

by seed - borne Botrytis(passive) caused byseedling blight

Disease cycle Fusarium culmorumcausesseedling blight

a fungus , Calonectria pseudonaviculata(passive) is caused byBoxwood Blight

The funguscausesboxwood blight ( Cylindrocladium pseudonaviculatum

by Fusarium graminearum Photo(passive) caused bySeedling blight

by the fungus Calonectria pseudonaviculata syn(passive) caused bythe boxwood blight

by Pythium spp .(passive) caused byseedling blight

root pathogens(passive) caused byseedling blight

a fungus called Cylindrocladium pseudonaviculatum(passive) is caused byBoxwood blight

infected seedcan causeseedling blight

by Colletotrichum species(passive) caused byseedling blight

the prevalent speciescausingseedling blight

by R. solani in the field(passive) caused byseedling blight

the non - native fungus Calonectria pseudonaviculata(passive) is caused byBoxwood blight

the fungus Calonectria pseudonaviculatum(passive) is caused byBoxwood blight

by the fungus Calonectria pseudonaviculatum(passive) caused byBoxwood blight

in wilting , yellowing and plant deathresultsin wilting , yellowing and plant death

to losses in crops of up to 50 %can leadto losses in crops of up to 50 %

in leaf spots andwill resultin leaf spots and

buds and flowers to develop abnormally and turn browncausesbuds and flowers to develop abnormally and turn brown

common lawn issues in NJcausescommon lawn issues in NJ

as described abovecan causeas described above

thinning of turfgrasscausesthinning of turfgrass

reddish brown spots on both foliage and flowerscausesreddish brown spots on both foliage and flowers

A fungal disease(passive) is causedA fungal disease

fruit quality lossmay causefruit quality loss

leaves to brownalso causesleaves to brown

heavy damage in untreated plotscausedheavy damage in untreated plots

spots on leaves and stems and eventually defoliates and kills the plantscausesspots on leaves and stems and eventually defoliates and kills the plants

flowers to turn browncausesflowers to turn brown

yield reductions of up to 50 %may causeyield reductions of up to 50 %

leaf spots , stem cankers , and defoliationcausesleaf spots , stem cankers , and defoliation

rapid defoliation and death of boxwood plantscan causerapid defoliation and death of boxwood plants

entire branches grow with brown needlescausesentire branches grow with brown needles

canker development around the area of infectionmay also causecanker development around the area of infection

numerous small ( about 1/8causesnumerous small ( about 1/8

in severe leaf drop and decline of susceptible boxwoodsresultsin severe leaf drop and decline of susceptible boxwoods

shoot blight and branch cankers of pine trees and occasionally other coniferscausesshoot blight and branch cankers of pine trees and occasionally other conifers

thinning out and decline of the grasscausesthinning out and decline of the grass

in death of the host plantcan resultin death of the host plant

symptoms very similar to Phomopsiscausessymptoms very similar to Phomopsis

a blackening of the leavescausesa blackening of the leaves

defoliation(passive) caused bydefoliation

to their deathleadingto their death

premature defoliation of plants and repeated defoliation and dieback can predispose plants to other pathogenscausespremature defoliation of plants and repeated defoliation and dieback can predispose plants to other pathogens

extensive leaf drop from the bottom up , which is not the symptoms you are seeingcausesextensive leaf drop from the bottom up , which is not the symptoms you are seeing

circular , tan leaf spots ... often with a darker bordercausescircular , tan leaf spots ... often with a darker border

the foliage(passive) caused bythe foliage

seed staining in pods close to maturity even when disease levels in the crop have been too low to warrant fungicide sprayscan causeseed staining in pods close to maturity even when disease levels in the crop have been too low to warrant fungicide sprays

small , circular holes to appear on leavescausessmall , circular holes to appear on leaves

Seedling damping off ... a soil borne disease that attacks and kills seedlings(passive) is caused bySeedling damping off ... a soil borne disease that attacks and kills seedlings

The hedges(passive) to be caused byThe hedges

poor establishment of canolacausespoor establishment of canola

in the United Kingdomoriginatedin the United Kingdom

in the U.Swas discoveredin the U.S

in the U.S.was ... discoveredin the U.S.

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