All fungi attack is caused by Potassium (K) deficiency. A cold snap can cause our plants to use up all its available K, followed by a heavy due can lead to the invasion of fungi resulting head rot.
Or the stress of an insect infestation
A good source of organic K is found in Seaweed or
Potassium Bicarbonate agg.,grade
NB. Baking powder used to bake cakes can some times have other ingredients like cornflower and even aluminium so read the ingredients and chose wisely you don’t want to smoke aluminium and cornflower can be washed off the morning before harvest.
Having said that in an emergency I have used non-aluminium Baking powder with great success against head rot
A spray would be a very effective control method.
Spray Program
At first sign of fungi attack the early the better. Continue to spray once daily till all signs of head rot are gone
Mix I teaspoon of baking powder per litter. Strain and spray effected area thoroughly and rest of plant sparsely.
Ideal time to spray for maximum efficiency is on a waxing moon in a baron sign at low tide.
An insect invasion can bring fungi attack secondary
eg red spider mites or fungus nats
Bio dynamics is the best way to control most insect pests. They are specific to the pest so the predators and other beneficial insects are usually not affected
Ideal time to make spray for maximum efficiency is on a waxing moon in a baron sign at low tide.
To make a B/D spray concentrate collect at least 20 of the culprits squash them in a about 500mils of water in a bottle with a tight lid shake or a blender might help. Than keep it warm and dark for 12 to 24 hrs
Strain and mix with water at 100 parts water to 1 part B/D spray concentrate.
Biological control of invading pests is always fun Lady Betel, Praying Mantis Lace Wings to name but a few you can buy them from most garden or hydro shops will get them for yah.