Far-red reversal of red light effect during long-night induction of potato (Solanum tuberosum L.) tuberization

The hypothesis that phytochrome is involved in the regulation of potato (Solanum tuberosum L.) tuberization was tested. When 5 minutes of red light were given in the middle of the 16-hour dark period to which whole plants were exposed daily for 14 days before making cuttings, the percentage of tuber...

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Veröffentlicht in:	Plant physiology (Bethesda) 1982-03, Vol.69 (3), p.672-674
Hauptverfasser:	Batutis, E.J, Ewing, E.E
Format:	Artikel
Sprache:	eng
Schlagworte:	Lamps Leaf buds Night tables Photoperiod Phytotrons Plant cuttings Plants Scotophase Test ranges Tubers
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container_title	Plant physiology (Bethesda)
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creator	Batutis, E.J Ewing, E.E
description	The hypothesis that phytochrome is involved in the regulation of potato (Solanum tuberosum L.) tuberization was tested. When 5 minutes of red light were given in the middle of the 16-hour dark period to which whole plants were exposed daily for 14 days before making cuttings, the percentage of tuberization on cuttings decreased. The effect of red light was significantly reversed by 2 minutes of far-red light given immediately after the red in each of two separate experiments. This supports the hypothesis that phytochrome is at least indirectly involved. Longer exposures to red light were not always as effective as a 5-minute exposure in reducing tuberization and were not reversible by far-red light.
doi_str_mv	10.1104/pp.69.3.672
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When 5 minutes of red light were given in the middle of the 16-hour dark period to which whole plants were exposed daily for 14 days before making cuttings, the percentage of tuberization on cuttings decreased. The effect of red light was significantly reversed by 2 minutes of far-red light given immediately after the red in each of two separate experiments. This supports the hypothesis that phytochrome is at least indirectly involved. 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Longer exposures to red light were not always as effective as a 5-minute exposure in reducing tuberization and were not reversible by far-red light.</description><subject>Lamps</subject><subject>Leaf buds</subject><subject>Night tables</subject><subject>Photoperiod</subject><subject>Phytotrons</subject><subject>Plant cuttings</subject><subject>Plants</subject><subject>Scotophase</subject><subject>Test ranges</subject><subject>Tubers</subject><issn>0032-0889</issn><issn>1532-2548</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1982</creationdate><recordtype>article</recordtype><recordid>eNpVkc1P3DAQxa0KVLZbTr1VqMqtraoEf8R2cuCAVgUqrdQDcLa8thOMsnZqO0jlr8dLVnyc_EbvN54ZPQC-IFghBOvTcaxYW5GKcfwBLBAluMS0bg7AAsKsYdO0R-BTjPcQQkRQ_REcIcYYxhwvgLuQoQxGF8E8mBDlUPiu2NWD7e9SYbrOqFToKVjXF4N3femeDev0pJL1bsePPsnkix_XfpBu2hZp2pjgY1br6udc2Ue5oz-Dw04O0Rzv3yW4vfh9s7oq138v_6zO16UiTZ1KzCmlUBndtAxuEOUEqiYr2eaTEOGI4g2XvNbZ4YoyRTRWEEHa5oW11mQJzuZ_x2mzNVoZl4IcxBjsVob_wksr3jvO3oneP4gaM8x57v--7w_-32RiElsblRnyfcZPUXBC6qZtKczkr5lU-eIYTPcyBEGxy0eMo2CtICLnk-lvb_d6ZfeBZOBkBu5j8uHFz2txnIcuwdfZ7qQXsg82itvrBiNKc-5PY3Kehg</recordid><startdate>19820301</startdate><enddate>19820301</enddate><creator>Batutis, E.J</creator><creator>Ewing, E.E</creator><general>American Society of Plant Physiologists</general><scope>FBQ</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>19820301</creationdate><title>Far-red reversal of red light effect during long-night induction of potato (Solanum tuberosum L.) tuberization</title><author>Batutis, E.J ; Ewing, E.E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c384t-275550ced8960b15730c860ba9003137152b7a74d5737c56c3d2c01059effddd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1982</creationdate><topic>Lamps</topic><topic>Leaf buds</topic><topic>Night tables</topic><topic>Photoperiod</topic><topic>Phytotrons</topic><topic>Plant cuttings</topic><topic>Plants</topic><topic>Scotophase</topic><topic>Test ranges</topic><topic>Tubers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Batutis, E.J</creatorcontrib><creatorcontrib>Ewing, E.E</creatorcontrib><collection>AGRIS</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Plant physiology (Bethesda)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Batutis, E.J</au><au>Ewing, E.E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Far-red reversal of red light effect during long-night induction of potato (Solanum tuberosum L.) tuberization</atitle><jtitle>Plant physiology (Bethesda)</jtitle><addtitle>Plant Physiol</addtitle><date>1982-03-01</date><risdate>1982</risdate><volume>69</volume><issue>3</issue><spage>672</spage><epage>674</epage><pages>672-674</pages><issn>0032-0889</issn><eissn>1532-2548</eissn><abstract>The hypothesis that phytochrome is involved in the regulation of potato (Solanum tuberosum L.) tuberization was tested. 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subjects	Lamps Leaf buds Night tables Photoperiod Phytotrons Plant cuttings Plants Scotophase Test ranges Tubers
title	Far-red reversal of red light effect during long-night induction of potato (Solanum tuberosum L.) tuberization
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