PENGARUH WAKTU APLIKASI DAN DOSIS Trichoderma sp. TERHADAP PERTUMBUHAN DAN HASIL TANAMAN TOMAT (Lycopersicum esculentum Mill.)

Mohamad Mardiansyah Arifuddin, Hayatiningsih Gubali, Mohamad Lihawa

Abstract


   Continuous use of inorganic fertilizers can pollute soil, air and water and lead to dependency. To reduce the negative impacts, crop production patterns are needed that lead to sustainable agriculture, so it is necessary to use environmentally friendly production components. This study aims to determine the effect of application time and dose Trichoderma sp., on the growth and yield of tomato plants (Edible tomato Mill.). This research was carried out at the Agricultural Plant Protection Laboratory of Gorontalo Province and planting land in Tenggela Village, Telaga District, Gorontalo Regency. The research used the Factorial Randomized Block Design method consisting of two factors, namely the first factor consisting of application time 7 days before planting, application time during planting, and application time 7 days after planting. The second factor consists of without Trichoderma sp., 30 g Trichoderma sp. planting, and 60 g Trichoderma sp. planting. The variables observed consisted of plant height, number of leaves, flowering age, number of fruit, fruit weight and pest population. Data analysis used ANOVA and the difference test between treatments used the Duncan Multiple Range Test (DMRT) at a significance level of 5%. The results showed there was no interaction between application time and dose Trichoderma sp. to all observation variables. Application time Trichoderma sp. influence the growth and yield of tomato plants. The best application time is 7 days before planting. Dose Trichoderma sp. influence the growth and yield of tomato plants. The best dose is 60 g per crop.

 


Keywords


Kata Kunci : Waktu aplikasi, Trichoderma sp., Tomat

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