
heliotropism

heliotropism haah ushnakatibandhiyatecha eka prakar aahe, joou suryachya dishene pratisad mhanoon vanaspatichya bhaganchi (phule kinwa paaney) dainandin kinwa hangami gatee aahe.
kahee vanaspatinchi suryachya dishene jaanyachi savay, ushnakatibandhiyatecha eka prakar, pracheen greek lokanna aadhich maheet hotee. tyanni tyaa vanaspatinpaiki eka vanaspatila 'heliotropium' asey naav dile, jyacha arth 'surya firto' assa hoto. greek lokanni haah eka nishkriy parinam asalyache gruheet dharale, bahudha prajjvalit bajuvaril dravache nuksan, jyala pudhil abhyasachi aavashyakta navhati. vanaspati nishkriy aanee sthir jeev aahet yaa aristotalchya tarkshastracha prabhav hota. tathapi, 19 vya shatkat, vanaspatishastradnyanni shodh lavala qee vanaspatichya vadhichya prakriyancha tyat samavesh hota aanee tyanni adhikadhik sakhol prayog kele. aaa. pii. dii candolne yaa ghatanela "konatyahi" vanaspatimadhye "heliotropism (1832) asey mhatale. 1892 madhye tyache naav badaloon phototropism asey karnyat aale, kaaran too suryapeksha prakashala pratisad aahe aanee tyaa velee prayogshaletil abhyasanmadhye shaivalanche phototropism heey tejavar (kamkuvat prakashasathi sakaratmak phototropic aanee suryaprakashasarkhya tejaswi prakashasathi nakaratmak phototropic) jordar avalambun hote. prayogshalet yaa vishayacha abhyas karananya vanaspatishastradnyane, pesheey aanee upkoshikeey staravar, kinwa krutrim prakashacha vapar karoon, adhik amoort shabd phototropism vaparanyachi shakyata jaast asate, jyamadhye krutrim prakash tasech naisargik suryaprakashacha samavesh asato. french shastradnya jeane-jacks dii 'aurtus dii mairan yanni' mimosa pudika 'vanaspaticha prayog keela tevha heliotropismcha abhyas karananya pahilya shastradnyanpaiki eka hote. charles darwin yanni yaa ghatanecha abhyas keela aanee 1880 madhye tyanchya 'daad power auph movement inn plants' yaa upantya pustakat prakashit kele, jyat gurutvakarshan, aadrata aanee sparsh yasarkhya vanaspatinchya halchalinna itar uttejanancha samavesh hota.
fulanche heliotropism.
suryapravahi phule purvekadoon paschimekade aakashat suryachya gaticha magova ghetat. dezzy kinwa bellis perenis ratri tyanchya pakalya bund karatat parantu sakalchya prakashat ughadatat aanee nantar jasjasa divas pudhe jaato tasatase suryache anusaran karatat. ratrichya velee, phule yadruchchik abhimukhata dharan karoo shakatat, tarr pahate teey punha purvekade valatat jithe surya ugavato. fulachya agadi khalee asalelya lavchik vibhagat motor peshindware hii gatee kelee jaate, jyala pulvinus mhanatat. motor peshi jawalchya uutinmadhye potassium aayan pump karnyat, tyancha turgor daab badalanyat vishesh aahet. turgor rises' mule savalit asalelya motor peshi lamb hotat mhanoon vibhag vakato. heey turgor-madhyasth heliotropism manale jaate. palvinicha abhav asalelya vanaspatichya avayavansathi, vishisht vadhiche namune tayar karananya aparivartaniy peshi vistaradvare heliotropism houu shakato. heliotropismcha haah prakar vadhichya madhyasthicha manla jaato. heliotropism mhanje suryachya prakashala milanara pratisad.
spashtikaran.
fulanmadhye heliotropism ghatanesathi anek gruhitak prastavit kele gele aaheth
sarvasadharanpane, fulanche heliotropism, visheshtah vasant rututil fulanmadhye, paragan, garbhadhan yash aanee/kinwa biyanyancha vikas vadhavun punarutpadak yash vadhavu shakate.
kahee saur anurekhan prakalp heey purnapane heliotropic nasatatah tyaa vanaspatinmadhye abhimukhata badalane hii prakashadvare suru honari janmajat circadian gatee asate, jee prakashchakrat vyatyay aalyas eka kinwa adhik kalavadhisathi suru rahate.
ushnakatibandhiy convolvulasius phule suryachya samanya dishene nirdesh karnari, parantu sooryacha achook magova naan ghet, pasantichi disha darshavtat. tyanni dainandin heliotropism darshavile nahee parantu majboot hangami heliotropism darshavile. jarr saur magova achook asel tarr suryachi kirane nehmich korola tubemadhye pravesh kartil aanee ginoatiumla garam kartil, hii prakriya ushnakatibandhiy havamanat dhokadayak tharoo shakate. tathapi, saur konatoon door eka vishisht coone swikarlyane heey talhale jaate. asha prakare yaa fulancha ranshingada aakar jastit jaast saur kiranotsargachya velee gynoishiyamla chhayankit karnara parasol mhanoon karya karato aanee kiranancha gynoishiyamvar prabhav padoo dett nahee.
suryafulanchya babatit, eka samanya gairsamaj assa aahe qee suryafulanche doke sampoorn jivanchakrat aakashat sooryacha magova ghetat. fulanche eksaman sanrekhan heey fulanche doke disanyapurvi, kalichya prarambhik vikasachya tappyat, heliotropismule hote. vanaspatichya korfadyachya kalicha divasabharat purvekadoon paschimekade sooryacha magova gheil aanee nantar vanaspatichya circadian ghadyalamule ratrabhar paschimekade vegane jaeel. kalinchya tappyachya shevataparyant yaa kalya heliotropic asatat aanee shevati purvekade tond karatat. prakashprabhavi vakane heey kishoravayin suryaful ropanchya hypocotylsmadhye utprerit kele jaau shakate, tarr ankuranchya shirshasthani heliotropic vakane heey vanaspatichya nantarchya vikasachya tappyanparyant houu lagat nahee, jeey yaa done prakriyanmadhil farak darshavate. suryaful phul heey kaliche antim abhimukhata rakhoon thevate, asha prakare paripakv phool purvekade tond karoon rahate.
paan heliotropism.
leaf heliotropism heey vanaspatichya pananche saur magova ghenare vartan aahe. kahee vanaspatinchya prajatinmadhye paaney asatat jee sakali suryachya kirananshi lambpane rund hotat (diheliotropism) aanee itaranmadhye tee asatat jee duparchya velee yaa kirananshi samantar rund hotat (paraheliotropism). fulanche heliotropism heey, paan heliotropism darshavina tyach vanaspatindware pradarshit kele jaate asey aavashyak nahee.