Plant Growth & Development - скачать в хорошем качестве

Plant Growth & Development -

#plant_growth_and_development Mechanism of #photoperiodism Length of Light duration & Length of dark duration no leaves - no flowering #phytochrome_pigment - Blue - Green receive relative length of light & dark duration Phytochrome - have Porphyrin Pr ( Phytochrome Red ) - 660nm, Physiologically inactive, in cytoplasm Pfr ( Phytochrome Far Red ) - 730nm, Physiologically active, cell membrane Pr - absorbs Red light, Light or Day - Converted to Pfr Pfr - absorbs Far Red, Dark or night - Converted to Pr #long_day_plants - Less Pr, More Pfr Pfr accumulation - Flowering #short_day_plants - Less Pfr, More Pr Pr accumulation - Flowering #LDP - Pr & Pfr ratio - less than 1 Pfr & Pr ratio - more than 1 #SDP - Pr & Pfr ratio - more than 1 Pfr & Pr ratio - less than 1 Pr to Pfr Conversation - Fast Pfr to Pr Conversation - Slow #Pr - Inhibitor for LDP Promoter for SDP #Pfr - Inhibitor for SDP Promoter for LDP LDP - Flowering - Short Days - Breaking of Long Nights - Flash of Red Light SDP - Continuous Long Nights - Broken by Red Light - No Flowering LDP - Continuous Critical Photoperiod absent - Gibberellins induces Flowering SDP - Continuous Critical Photoperiod absent - Abscisic Acid Induces Flowering #11thbotany #11thncert #11thbiobotany #neet #neetbotony