Uji Efektifitas Herbisida Fluroksipir Terhadap Gulma Penting Pada Budidaya Tanaman karet (Hevea Brasiliensis Muell. Arg) Menghasilkan

Abstract

The control of the weeds in rubber plantations must be done, as it can result to competition in nutrients absorption, water, light, and growing space. The study aims to know the lowest dose of fluorescent flurokguards' effective control of weeds at an producing rubber plantation. This research was conducted at PT. Timbang Deli Estate, Galang District, Deli Serdang Regency, North Sumatra Province, from August to October 2019. The methods used include qualitative (weed survey) and quantitative (identification). There were 4 replications randomly sampled, each test had 6 levels of treatment. The treatments consisted of F1: Control, F2: Mechanical weeding, F3: Kenrane herbicide treatment 400 ml / h, F4: Kenrane herbicide treatment 600 ml / h, F5: Kenrane herbicide treatment 800 ml / h, F6: Kenrane herbicide treatment 1000 ml / h. Based on the results of research that has been carried out it can be concluded as follows: The application of flourocipurous herbicides at a dose of 400 ml / ha has been effective in controlling broadleaf weeds Asistasia intrusa but not effective for controlling weed Cyperus kyllingia narrow leaf types.