Kuphatikiza kwa kutentha kwanyengo yachilimwe komanso alimi akulephera kugwiritsa ntchito maleic hydrazide kumatanthauza kuti mbatata zomwe zikubwera m'masitolo nyengo ino zitha kukulirakulira. Ichi ndichifukwa chake alimi aku Britain akulangizidwa kuti achitepo kanthu mwachangu ndikusamalira mbewu ndi chopondereza chatsopano, monga. Richard Allison malipoti a Alimi Sabata Lililonse.
Ndipo kwa nthawi yoyamba nyengo ino, angagwiritse ntchito mwayi wa 1,4SIGHT (1,4-Dimethylnaphthalene kapena DMN), kuyambira kuvomerezedwa kwaposachedwa ndi Chemicals Regulation Division ya Health and Safety Executive. DMN ndi chinthu chotsimikizika chomwe chimagwiritsidwa ntchito pazamalonda kuyambira ku US koyambirira kwa 1996. Tsopano chikugwiritsidwa ntchito m'maiko ena, kuphatikiza ena kumayiko ena. Europe, ndipo ogwiritsa ntchito anena kuti achita bwino.
Ajay Jina, manejala waukadaulo ku DormFresh, yomwe idapanga DMN, akuti nyengo yotentha yachilimwechi idapangitsanso kuti maleic hydrazide ambiri asagwiritse ntchito mbewu. Maleic hydrazide ndi chowongolera kukula chomwe chimatha kuletsa zotsalira zakuphukira, zofanana ndi CIPC.