ʻO Chlorothalonil (2,4,5,6-tetrachloroisophthalonitrile) he mea hoʻohui i hoʻohana nui ʻia ma ke ʻano he ākea ākea, nonsystemic fungicide, me nā mea ʻē aʻe e like me ka pale lāʻau, pesticide, acaricide, a me ka hoʻomalu ʻana i ka mold, mildew, bacteria, algae. He fungicide pale ia, a hoʻouka i ka ʻōnaehana aʻalolo o nā inike a me nā mite, e hoʻoulu ai i ka lolo i loko o nā hola. ʻAʻole hiki ke hoʻohuli ʻia ka lolo.