Zina mwa zikalata zatsopano zochokera ku Leningrad zomwe zazingidwa posachedwa zalengezedwa. Mmodzi wa iwo akutiuza momwe asayansi asanatenge nthawi yozizira yankhondo yoyamba kupatsa nzika mavitamini okwanira. A Johann Eichfeld, panthawiyo, director director wa All-Union Institute of Plant Industry, adazindikira kuti potsekereza, mbatata, kaloti ndi kabichi zitha kukhala mavitamini. Anali wotsutsana ndi kugwiritsa ntchito malo osungira mbatata ngati malo obisalirako bomba panthawi yomwe adani awukira. Wasayansiyo adatinso Komiti Yoteteza ya Leningrad ipange zowonjezera kuchokera ku singano za paini ndi spruce kuti zisawonongeke.
Zitsanzo 1200 zochokera ku South America ndi Europe zidabzalidwa mchaka cha 1941 ku Pavlovsk. Mu Juni, asitikali a adani anali pafupi, ndipo zosonkhanitsazo zinali ndi zitsanzo zapadera zomwe sizinapezeke kwina kulikonse padziko lapansi. Abram Kameraz, wogwira ntchito pasiteshoni, m'miyezi yoyambirira yankhondo, adatsegula ndikutseka makatani, kutengera nthawi yausiku ya mbatata yaku South America, ndikugwiritsa ntchito nthawi yake yonse yaulere. Mbewuzo zidakololedwa kumunda komwe zidawotchedwa kale, makamera adavutika, koma sanasiye ntchito yake.
Mu Seputembala, adapita kutsogolo, ndikupereka mphamvu zake kwa Olga Aleksandrovna Voskresenskaya ndi Vadim Stepanovich Lekhnovich. Mumzinda wonsewo nthawi yonse yozizira, asayansi anali kufunafuna nkhuni, amasamalira zosonkhanitsazo momwe angathere. Vadim Stepanovich adatenga nsanza ndi nsanza kuti atseke maenje mchipinda ndikuletsa zitsanzo kuti zisafe m'nyengo yozizira. Sanadye tuber imodzi ya mbatata, ngakhale anali atatopa.
M'chaka cha 1942, inali nthawi yobzala mbewu m'nthaka, ndipo asayansi adaphunzitsa anthu am'matawuni momwe angalime mbatata zabwino. Malo otsetsereka adayikidwa m'mapaki ndi mabwalo amzindawu, pa Field of Mars. Mu Seputembala, aliyense adakolola zokolola pamodzi. Asayansi adasankha zitsanzo zingapo zofunikira pazasayansi, ndipo zina zonse zidasamutsidwa kupita kumakachisi amzindawu.
Pakufunsidwa komwe, Lekhnovich nthawi ina adati: "Sizinali zovuta kuti tisadye choperekacho. Ayi konse! Chifukwa kunali kosatheka kudya. Ntchito ya moyo wake, ntchito ya moyo wa amzake ... ”.