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Allotment this weekend in mid-July

Posted by Guy Barter on 16 Jul 2010 at 11:43 AM

At last some rain – not enough to replenish the soil but enough to take some stress off plants and make sowing and planting easier.  However the damp conditions pose a real threat of fungus diseases. 


• Preventing potato and tomato blight by protecting plants with copper fungicide is vital as on any allotment discarded potatoes from last year carry disease over and are beginning to pose a threat to this year’s crops.

 

• Sadly no fungicide is available to deal with onion downy mildew and here it is case of saving what I can by removing infected leaves as the crops mature.

 


• Rain has greatly helped newly planted leeks and broccoli, and with no more then ten weeks of growing weather left the rush is plant up any spare spaces; early potatoes are to be followed with another row of leeks and broad beans and peas with autumn calabrese, romanesco and over-wintered cauliflowers

 

• Pests are also building up with influxes of blackfly into the runner and French beans and beetroot with cabbage aphid and cabbage butterfly and moth caterpillars in the brassicas.  SB Plant Invigorator, a fertiliser that smothers insects, has proved fairly effective on the beans but with no residual effect weekly treatments are required.  For the brassicas natural pyrethrums are the first line of defence with the plants very thoroughly treated and a follow-up planned for next week if required.  Asparagus beetle was also treated with natural pyrethrums.

 


• Steady watering goes on with plants being thoroughly soaked every 10 days or so until the rains return in earnest.

 

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