Yellow (stripe) rust caused by Puccinia striiformis f.sp.tritici is an important disease that threatens wheat production where the weather conditions are congenial and susceptible cultivars are present.Host resistance is the most economical and environmentally safe control method to manage wheat yellow rust; and slow rusting resistance, a kind of q
Abstrak.Penelitian ini bertujuan untuk mempelajari efektivitas ekstrak daun sirih sebagai pengganti bahan aktif antibakteri pada hand sanitizer.Ekstrak daun sirih diperoleh dengan cara maserasi daun sirih selama 3x24 jam dalam larutan alkohol 70%.Kadar alkohol pada ekstrak daun sirih hasil maserasi diuapkan dalam vacuum evaporator (T = 60oC) hingga
Over the past 3 decades, in a series of studies on some of the most extensively studied toxic chemicals and pollutants, scientists have found that the amount of toxic chemical linked with the development of a disease or death-which is central to determining "safe" or "hazardous" levels-is proportionately greater at the lowest Sets dose or levels of