THE EFFECTS OF BENSULIDE ON THE GROWTH, MORPHOLOGY AND ANATOMY OF OAT ROOTS

Summary. Oat seedlings were grown by two different methods in various concentrations of bensulide. Root growth was inhibited, the roots were sometimes curved and root hairs were often present close to the root tip. Structural features of the treated roots included epidermal cells which were greatly elongated radially; short, pitied trachcary elements differentiated close to the root tip; and occasional lesions. One of the primary effects of bensulide appears to be inhibition of root growth, though it does not completely inhibit mitosis.