A rare, but entirely possible, scenario was playing out in the tech-heavy stock market. The S&P 500 index was off 0.2%, even though more than 400 of its component companies were gaining, according to ...

Brown spot caused by Bipolaris oryzae is an important rice disease in Southern coast of Caspian Sea, the major rice growing region in Iran. A total of 45 Trichoderma isolates were obtained from rice ...