▁may ▁reduce ▁c rop ▁success . ▁( The ▁min er ▁also ▁affect s ▁the ▁common ▁we ed ▁and ▁close ▁relative ▁Chen op od ium ▁album , ▁but ▁C . ▁album ▁is ▁much ▁more ▁resist ant .) ▁ ▁Gen et ics ▁The ▁gen ome ▁of ▁qu ino a ▁was ▁sequ enced ▁in ▁ 2 0 1 7 ▁by ▁research ers ▁at ▁King ▁Abd ul lah ▁University ▁of ▁Science ▁and ▁Technology ▁in ▁Sa udi ▁Arab ia . ▁Through ▁traditional ▁select ive ▁bre eding ▁and , ▁potentially , ▁gen etic ▁engineering , ▁the ▁plant ▁is ▁being ▁modified ▁to ▁have ▁higher ▁c rop ▁yield , ▁improved ▁toler ance ▁to ▁heat ▁and ▁bi otic ▁stress , ▁and ▁greater ▁sweet ness ▁through ▁sap on in ▁in hib ition . ▁ ▁Har vest ing ▁ ▁Trad itionally , ▁qu ino a ▁gra in ▁is ▁har v ested ▁by ▁hand , ▁and ▁only ▁rarely ▁by ▁machine , ▁because ▁the ▁extreme ▁vari ability ▁of ▁the ▁m atur ity ▁period ▁of ▁most ▁Qu ino a ▁cultiv ars ▁comp licates ▁mechan ization . ▁Har vest ▁needs ▁to ▁be ▁precisely ▁tim ed ▁to ▁avoid ▁high ▁seed ▁losses ▁from ▁sh atter ing , ▁and ▁different ▁pan icles ▁on ▁the ▁same ▁plant ▁m ature ▁at ▁different ▁times . ▁The ▁c rop ▁yield ▁in ▁the ▁And e an ▁region ▁( o ften ▁around ▁ 3 ▁t / ha ▁up ▁to ▁ 5 ▁t / ha ) ▁is ▁compar able ▁to ▁whe at ▁yields . ▁In ▁the ▁United ▁States , ▁vari eties ▁have ▁been ▁selected ▁for ▁uniform ity ▁of