Trichoderma biofungicides formulations on shallot growth, yield and fusarium wilt disease resistance

The impact of climate change is an increase in extreme climatic events that make plants susceptible to disease. Fusarium wilt disease is one of the endemic diseases in extreme climatic areas in the high and lowlands. To deal with this climate change adaptation, a study was carried out that aims to determine the effect of the biofungicide Trichoderma spp. in controlling Fusarium wilt disease in several shallot varieties. This study used an experimental method carried out in the Highlands of Sembalun Bumbung Village, East Lombok using a Randomized Block Design with factorial experiments. The main factor is the formulation of biofungicides, namely: without biofungicides (control), liquid biofungicides, tablets and powders. The simple factor is shallot varieties, namely: Bali Karet, Ampenan, Keta Monca, Super Philip, and Super Cross. The results showed that liquid, tablet and powder of biofungicide could suppress Fusarium wilt disease up to 0%, while in control the percentage of disease reached 60%. Bali Karet varieties are very adaptive in the highlands, so they are very resistant to Fusarium wilt, Ampenan and Keta Monca adaptive in the highlands, while Super Philip and Super Cross are less adaptive. Bali Karet varieties showed the highest growth and yield.