( ( Marijuana cultivators ) ( ( try ( to ( ( cull ( male plants ) ) ( to ( prevent ( fertilization ( of ( the ( female plant ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Marijuana) (NNS cultivators)) (VP (VBP try) (S (VP (TO to) (VP (VB cull) (NP (JJ male) (NNS plants)) (S (VP (TO to) (VP (VB prevent) (NP (NP (NN fertilization)) (PP (IN of) (NP (DT the) (JJ female) (NN plant))))))))))) (. .)))
Marijuana cultivators try to cull male plants to prevent fertilization of the female plant.
(ROOT (S (NP (DT The) (NN embryo)) (VP (VBZ develops) (PP (IN in) (NP (NP (DT a) (NN plant)) (PP (IN inside) (NP (DT the) (JJ female) (NN plant))))) (PP (IN after) (NP (NN fertilization)))) (. .)))