roland jefferson

roland mauris jefferson (3 sitambar, 1923-27 navambar, 2020) ack americi vanaspati vigyaani they, joe sanyukt raajya america key rashtriya vrikshodyaan dwara niyojit honey vaale pahale african-americi vanaspatishastri they, jahan unhone 1956 seey 1987 taka kaam kiya thaa. "dha washington post" key anusaar, way cherry key pedon koo phool dene parr ack "antarrashtriya pradhikaran" bunn gaye, aur 1977 mein washington, dee parr ack pustak kaa saha-lekhak baney.see., apane prasiddh cherry key pedh praapt kiye.
praarambhik jeevan aur shiksha.
washington mein ekmatra bachche key roop mein paida huaa, dee.see. edward willson jefferson aur bernis cornelia bonned key maataa-pitaa key liye, jefferson ney dunbar hyee school mein padhaai kii, dwiteeya vishva yuddh key dauran us armi airman key roop mein seva kii, aur jee. aaee. bill parr college gaye, 1950 mein howard vishvavidyalaya seey vanaspati vigyaan mein snaatak kii degree arjit kii. haalaanki, unhone aise kaam koo khojane key liye sangharsh kiya joe unake peshevar kaushal kaa upayog kartaa hoe, ack samay parr manoranjak dunt vidyalaya. unhein 1956 mein americi rashtriya vrikshodgam mein soochanaatmak sanyantra label banaane kii naukari millie. unhone jaldi seey paudhon koo label karane key liye ack naee vidhi taiyar kii, jisamen vrikshodgam key teji seey bigadate plastic label koo dhaatu key label seey badal diyaa gayaa. unhein 1957 mein vanaspati vigyaani (americi rashtriya vrikshodgam mein iss sthiti koo praapt karane vaale pahale african americi) key roop mein padonnat kiya gayaa thaa.
vaigyaanik carrier.
jefferson kekade key seb key pedon key visheshagya they, jinhone 1970 mein iss vishay parr ack pustak prakaashit kii. 1972 mein, unhone beesavin shatabdi kii shuruat mein kolambiya key paschimi potomac park jile mein lagaae gaye japani khilate hue cherry key pedon parr aitihaasik aur vaigyaanik shodh karna shuru kiya. unhone shodh samagri key baarah dibbon koo sankalit kiya aur itihaaskaar alaan fusoni key saath "washington dee key japani phool vaale cherry pedh" sheershak seey ack "nishchit itihas" likhaa.see.dosti kaa ack jeevit prateek "(1977).
pratham mahila helen toft ney 1909 mein inmein seey nabbe cherry key pedh lagaae they, aur tokyo key meyer yukio ozaki ney 1912 mein japan seey dosti key sanket key roop mein sanyukt raajya koo ack aur 1,800 japani cherry key pedh upahaar mein diye they. mool cherry key pedon koo girawat mein dekhate hue, jefferson ney 1976 aur 1979 key beach ack sou seey adhik pedon koo katkar prachaarit kiya, joe dee. see. key prasiddh cherry key sanrakshan mein ack mahatvapurna bhoomika nibhaate they. 1981 mein, pratham mahila nancy reegan ney japan koo apane pedon mein seey ack bhent kiya, jahan tokyo key governor shunichi suzuki ney ise rashtrapati reegan cherry tree naam diyaa. tokyo ney shahar key tonary park mein jefferson key cherry key pedh kii 1,200 kataai kii.
1982 mein, jefferson ney ack antarrashtriya beej vinimay karyakram shuru kiya, jisamen japani schooly bachchon koo aadhe million japani cherry key beej ekatra karane key liye bharti kiya gayaa aur badale mein americi dogwood key beej japan bheje gaye. unhone namoone aur beej ekatra karane key liye europe, japan, koria aur taiwan kii yatra kii, jinaki kheti ney americi cherry key pedon kii aanuvanshik vividhata aur lachilaapan koo badhaaya. 
1984 mein, adhik kathor cherry key pedon key liye ack appeal key jawab mein, jefferson ney hokkaido mein ekatra kiye gaye cherry key beejon seey ugaaye gaye chaubis paudhe bloomington, minnesota mein normandale samudayik mahavidyalaya mein japani bageeche mein bheje. una kuchh prakaron mein seey ack joe thhande tapman kaa saamana curr sakate hain, yeh prajaati abb desh bhar mein ugaai jaati haye.
1980 key dashak kii shuruat mein, jefferson aur shodh sahayak key kazyu ney foolon kii cherry koo "yama-zakura" (jangli "pahaadi cherry") aur "saito-zakura" (kheti kii gaee "gaanv kii cherry") naamak vanaspati samoohon mein punargathit kiya, lattin naamon key bajaay roman japani namkaran koo apanaaya. unakaa kaam 1984 mein prakaashit huaa thaa.
1990 key dashak mein, jefferson ney apane vyaktigat kagjat rashtriya vrikshodgam key pustakalaya aur abhilekhagar koo daan curr diye. 2006 mein atirikt daan diye gaye.
vyaktigat jeevan.
jefferson 1987 mein sevaanivritt hue. way 1987 seey 1998 taka japan mein rahey. unhein 1999 taka washington key ciatal mein aur 2012 taka honolulu, havaai mein rahane key roop mein darj kiya gayaa thaa.
vaha japan kii ack sanyantra sangrah yatra parr keko ishisaki seey mille aur 1983 mein unase shaadi kii. 11 sitambar, 2014 koo 81 saal kii umr mein honolulu mein unaki mrityu hoe gaee.

