Favoring female flowers in hemp horticulture

A UConn plant science professor working with hemp plants has developed a way to maximize the production of female flowers, which produce significantly higher quantities of cannabinoids than male flowers.

What's the best way to identify male hemp seedlings?

The surge in cannabidiol (CBD) popularity means more farmers are growing non-intoxicating strains of cannabis, or hemp, for CBD production. This new market has led to commercial genetic tests for early determination of hemp ...

Fighting a mighty weed

Weeds are pesky in any situation. Now, imagine a weed so troublesome that it has mutated to resist multiple herbicides. Palmer amaranth, a member of the pigweed family, is spreading across states and growing in strength. ...

Building blocks of life came from deep Earth

The rise of the first complex life depended on vital metals brought up to the Earth's surface from far below in vast granite deposits, a new study argues.

Can trees really change sex?

The revelation that the UK's oldest tree is showing signs of switching sex has sparked much excitement in the world of horticultural science. The Fortingall yew (main image) in Perthshire, Scotland, having apparently spent ...

Genomic study reveals evolutionary secrets of banyan tree

The banyan fig tree Ficus microcarpa is famous for its aerial roots, which sprout from branches and eventually reach the soil. The tree also has a unique relationship with a wasp that has coevolved with it and is the only ...

Male birds sing less to females on antidepressants

During courtship male starlings sing less to females who have been fed dilute concentrations of antidepressants, according to a new study led by the University of York.

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