如何以斜体字体书写** **中第一张幻灯片中的单词？
---
title : Yield loss of target spot (**Corynespora casiicola**) in soybean
subtitle :
author :
job :
logo : logo1.png
biglogo : logo2.png
framework : io2012 # {io2012, html5slides, shower, dzslides, ...}
widgets : [] # {mathjax, bootstrap, quiz}
mode : selfcontained
hitheme : tomorrow # {tomorrow, tomorrow_night, solarized_dark, solarized_light}
highlighter : highlight.js # {highlight.js, prettify, highlight}