I'm trying to germinate seeds of mulberry weed (Fatoua villosa) collected in September 2016, with the goal to test chemical control options for this weed. However, I'm having trouble getting these seeds to germinate.
I tested germination a few times at following conditions without success (25/20 C day/night; 14h photoperiod).
Does anyone have any ideas on how to increase seed germination of this plant?
Thanks in advance.
See:
Light, Temperature, Seed Burial, and Mulch Effects on Mulberry Weed (Fatoua villosa) Seed Germination
Gina M. Penny and Joseph C. Neal
Weed Technology
Vol. 17, No. 2 (Apr. - Jun., 2003), pp. 213-218
Maximum germination was IN light, at 25C, and with seeds placed ON the substrate surface. They need a short after-ripening time of < 30 days before they will germinate. Also, test for viability before germination with the seed flotation test – if they sink in water, then they are probably viable. I hope this helps :-)
Dear Maria Leticia
Red light stimulates germination of mulberry weed (Fatoua villosa) seeds by activating phytochrome. If you are sure about the viability of your seeds, then place the seeds on surface of the moist soil or on top of the germination paper for light interception. The best temperature for germination of these seeds is 25°C. Pre-treatment of seeds with 1-2 mM GA3 for 4-6 hours can also improve germination of this weed seeds.
Regards
Kazem Ghassemi-Golezani
Thanks for your answers and for sharing your experience Dr. Pegman and Dr. Ghassemi-Golezani. I appreciate your time.
Thanks for the suggestion Dr. Lang. I started a test yesterday, let's see if that will work.
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