Dr. Phyto

quince

Cydonia oblonga

Diseases & pests on this plant

• codling mothCydia pomonella

  Small entry hole on the fruit skin (often near the calyx) with reddish frass, brown tunnels through the flesh to the seed cavity, premature fruit drop, larvae visible inside cut fruit.

• entomosporium leaf spotDiplocarpon mespili

  Small purple-red spots with grey centers on young leaves, spots merge into larger lesions, defoliation in severe years, fruit blemishes on loquat.

• fire blightErwinia amylovoraEU-notifiable quarantine organism

  Sudden blossom wilt with blackened shoots curling into a shepherd's crook, amber bacterial ooze on bark in warm weather, scorched-looking dead leaves still clinging, rapid spread in spring.

• apricot brown rot (fructigena)Monilinia fructigena

  Soft brown rot of ripening fruit, buff-coloured spore tufts in concentric rings, mummies stuck to twigs through winter, rapid spread on touching fruit in dense clusters.

• pear brown spotStemphylium vesicarium

  Round 2-5mm reddish-brown leaf spots on upper foliage, dark depressed lesions on developing fruit around stem-end + lenticels, fruit rot + dropping pre-harvest.

• quince black knot cankerDiaporthe perniciosa