Photoperiodism

[@hezkeymurigi7711]

Wonderful

[@sonalidubey6659]

very nice video.......made this topic very clear to me..... thanks.

[@masterdudee]

very informative video

[@pakturkdostlar5309]

Thankss great video....

[@ntsoakimotapanyane5689]

I loved the video Thank you

[@mohsankayani]

Thnks !

[@mprickles]

really clear and helpful. thank you :-)

[@chrisconnor8583]

What frequency of light determines red or infrared?

[@maniarora03]

hi ray can you make some videos on plant breeding genetic engineering molecular breeding etc

[@raycinti5031]

kzbin.info/www/bejne/gaKyq4iPma9pgJI

[@DionPaz]

Thanks a lot :)

[@anneruthzlv.binalayo4743]

Hello sir, I just want to verify, if a SDP, was exposed to 6hrs day light and exposed for darkness for an hour and afterwards, was exposed again to 6hrs day light, will it produce flower? Thank you!

[@ernststavroblofeld1961]

So, after 10 000 years of research and mucking about with plants in agriculture, this is all you've got?!