Symptoms 



later with a dead-white centre, bearing numerous 

 spores which germinate at once, and later in 

 autumn others which mature only in spring, 

 due to Sphaerdla Fragariae. In autumn cut 

 off aU foliage, allow to dry somewhat, then bum 

 (assist if necessary with a Httle paraffin). 



Leaves curl and become covered with 

 powdery white growth, often spreading to the 

 fruit. Mildew due to Sphaerotheca Humuli. 

 Spray with liver of sulphur or dust with 

 flowers of sulphur at the first onset of the 

 attack. Most prevalent in draughty places. 



Fruit. — Often attacked by Botrytis cinerea 

 when in damp, ill-ventilated spots, causing 

 fruit to rot, and to bear a felt of greyish fungus 

 fruits. 

 Sweet Pea. 



Same diseases and treatment as Culinary 

 Pea iq.v.). 

 Tomato. 



Boot. — Killed by Phytophthora cryptogam. 

 Plant wilts. Treatment, see Calceolaria. 



Stem. — Brown stripes on stem. Stripe dis- 

 ease due to Bacillus sp. ? Cut out diseased 

 stems and burn. 



Foliage. — Yellow spots, felted beneath, due 

 to Cladosporium fulvum. Ventilate freely. 

 Spray with Bordeaux mixture (7). 



Black spots. Blight. See Potato. 

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