
carle friedrich wilheim jayson

carle friedrich wilheim jessen (15 sitambar 1821, schlesswig mein-27 maee 1889, berlin mein) ack german vanaspati vigyaani they.
unhone keel vishvavidyalaya mein vanaspati vigyaan aur praakritik vigyaan kaa adhyayan kiya, jahan unhone 1848 mein doctorate praapt kii. unhone 1851 mein berlin mein apana nivaas praapt kiya, baad mein graphswald vishvavidyalaya mein kakshaon mein padhaaya, aur usee avadhi key dauran, aldena key krishi mahavidyalaya mein vyakhyan diyaa. 1868 mein way griefswald mein ack sahayogi professor bunn gaye. 1877 mein aldena krishi mahavidyalaya key bund honey key baad, way vanaspati vigyaan key professor key roop mein berlin vishvavidyalaya mein sthanantarit hoe gaye.
unhone pushp vigyaan aur vanaspati vigyaan key itihas key kshetra mein visheshagyata praapt kii. apane swayam key lekhan key alawa, unhone george agast pritzel kii "dye dutshen volksnamen dair flanzen" (paudhon key german samanya naam, 1882-84) koo puuraa kiya.
arekesi parivaar key paadap vansh "jessenia" kaa naam unake naam parr rakhaa gayaa haye.

