Tomato is horticulture comodity that has potential marketing. The increasing of citizen and the awareness of citizen in nutrition cause tomato needs unsufficient especrally in Riau. In 2003 tomato production is only 1,00 ton/Ha (Directoral Jenderal Bina Produksi Hortikultura, 2004) whereas tomato production can reach 40 ton/Ha. This reseach conducted to know the interaction giving gibberel…