Is it alright to transplant a few days after it sprouted? - Page 3

Treadwell · 08-20-2009, 12:10 AM

Quote:

Originally Posted by HaikuButtHead

Factors Affecting Sex of Plants

·

Environmental factors start influencing sex the moment the seedling has three pairs of true leaves (not counting cotyledons).
· Increased levels of nitrogen makes more female plants.
· Decrease the levels of potassium to make more female plants.
· A higher nitrogen level and a lower potassium level for the first two weeks increases females.
· Low temperatures increases the number of female plants.
· High humidity increases the number of female plants.
· Blue light increases the number of females. Red increases males.
· Low moisture in the growing medium encourages males.
· Fewer hours of daylight (e.g., 14 hours) increases the number of females. Longer days (e.g., 18 hours) make more male plants.
· Any environmental stress tends to yield more male plants.

Agreed, and i find all of the above noted points to be true except one.

Daylight hours.

I noticed after reading this same list some time ago that when i took those factors into account they did make a difference.

However i never shortened my lighting periods to less than 18 hours in all the time ive grown and still ended up with 3:1 ratios of females over males.

I do consider all other things mentioned when starting new seeds though.

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