▁many ▁experiments ▁were ▁attempted ▁and ▁discussed ▁to ▁control ▁the ▁fle a ▁be et le . ▁By ▁ 1 8 8 0 , ▁grow ers ▁discovered ▁that ▁replacing ▁the ▁branches ▁with ▁a ▁frame ▁covered ▁with ▁thin ▁fabric ▁effectively ▁protected ▁plants ▁from ▁the ▁be et le . ▁This ▁practice ▁spread , ▁becoming ▁u bi quit ous ▁in ▁the ▁ 1 8 9 0 s . ▁ ▁In ▁Asian , ▁O ce ania , ▁and ▁the ▁Indian ▁sub cont inent , ▁the ▁to b acco ▁cut w orm ▁( Sp od optera ▁lit ura ) ▁is ▁a ▁great ▁p est ▁to ▁the ▁to b acco ▁plant . ▁The ▁c ater p ill ar ' s ▁vig orous ▁e ating ▁hab its ▁can ▁cause ▁up ▁ 2 3 - 5 0 % ▁in ▁yield ▁losses , ▁resulting ▁in ▁economic ▁stra in ▁to ▁the ▁local ▁agricult ural ▁econom ies . ▁The ▁cab bage ▁loop er ▁is ▁also ▁known ▁to ▁have ▁caused ▁damage ▁to ▁to b acco ▁plants ▁in ▁North ▁Carolina , ▁which ▁became ▁a ▁concern ▁as ▁far mers ▁lack ed ▁a ▁suitable ▁method ▁for ▁cont rolling ▁the ▁c ater p ill ars . ▁ ▁Sh ade ▁to b acco ▁is ▁the ▁practice ▁of ▁growing ▁the ▁plants ▁under ▁a ▁screen ▁of ▁che es ec l oth ▁fabric . ▁The ▁thin ▁leaves ▁were ▁used ▁for ▁the ▁outer ▁wra ppings ▁of ▁cig ars . ▁ ▁Har vest ▁ ▁Tob acco ▁can ▁be ▁har v ested ▁in ▁several ▁ways . ▁In ▁the ▁oldest ▁method , ▁the ▁entire ▁plant ▁is ▁har v ested