<p>Prof Kathy Willis, Director of Science at the Royal Botanic Garden, Kew, with the omnibus edition of her history of our changing relationship with plants during the early 20th century.</p><p>Kathy Willis examines how the complete picture of photosynthesis led to new opportunities to manipulate plant growth; the ability of plants to exhibit multiple forms that shed light on why flowering plants evolved so quickly; the legacy of tree diseases during the 20th century; the hunt for wild ancestors of our domestic crops in order to maintain resilience within our future food supplies; and botanical medicines and the hunt for new medicinal cocktails at home and abroad. </p><p>Producer Adrian Washbourne.</p>
