Trou­ble-shoot­ing your mi­cro­greens

NZ Lifestyle Block - - Plants With A Purpose - Other is­sues to con­sider:

POOR STRIKE RATE, SEEDS FAIL TO GER­MI­NATE OR COME UP UN­EVENLY:

• Were the seeds past their ex­piry date? • Have seeds been ex­posed to wa­ter or ex­cess heat? • Did you use a qual­ity media? • Was the media evenly moist through­out? • Were the tem­per­a­tures ad­e­quate for ger­mi­na­tion?

SEEDS GER­MI­NATE, THEN WILT AND DIE:

This is prob­a­bly ‘damp­ing off,’ the main en­emy of seedlings, caused by a col­lec­tion of soil-borne fungi dis­eases (Pythium, Rhi­zoc­to­nia and oth­ers) which thrive in warm, wet, hu­mid con­di­tions. Sea­weed in­creases re­sis­tance to plant pathogens - it can be added to the media as kelp, or wa­tered in as a di­lute so­lu­tion.

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