Question about self pollinating using CS spray

[99stang]

I'm looking to dedicate one plant to pollinating itself for seeds. Do I spray the whole plant or just part/half of it?( I'm not sure if spraying the whole plant with colloidal silver will still let it have female parts or completely change it to male).

 

[Oldguy71]

I’ve had success just treating the bottom branches with cs. Spray it everyday until some male flowers are opening then stop the cs leave the male parts on the plant for at least a couple more weeks. The pollen may not be viable for awhile. Sts, sodium theosulphate and silver nitrate, is much more reliable and only needs to be applied weekly