Since the waterhemp family has both male and female plants whose genes mix annually, the genetic diversity increases every year and an increasing number of plants have become resistant to a wider variety of herbicides.If I recall my biology, that's the purpose of having sex, to increase diversity and therefore increase adaptability to the environment. I'm glad to know some of my knowledge isn't obsolete.
Wednesday, November 16, 2011
Sex Gives Farmers Troubles
That's my takeaway from a Stu Ellis piece on waterhemp, a weed which is very difficult for farmers to control. The reason, although I'm reading between the lines and making assumptions, is sex: