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"On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection" is the title of a journal article, comprising and resulting from the joint presentation of two scientific papers to the Linnean Society of London on 1 July 1858: On The Tendency of Varieties to Depart Indefinitely from the Original Type by Alfred Russel Wallace and an ...
He was on track to publish sometime between 1859 and 1861, but was interrupted by Wallace sending him a similar concept in 1858, so their essays were read together as papers "On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection".
Lyell and Hooker agreed that a joint publication putting together Wallace's pages with extracts from Darwin's 1844 Essay and his 1857 letter to Gray should be presented at the Linnean Society, and on 1 July 1858, the papers entitled On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means ...
On that land, they started experimenting with tropical varieties of fruits they can grow in South Florida’s slightly cooler sub-tropical climate. They focused on fruits that were not grown by ...
Lyell and Joseph Dalton Hooker decided to present his essay together with unpublished writings that Darwin had sent to fellow naturalists, and On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection was read to the Linnean Society of London announcing co-discovery of the ...
On the evening of 30 June 1858, Charles Lyell and Joseph Dalton Hooker passed on to him papers by Alfred Russel Wallace and Charles Darwin, titled "On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection" respectively. As secretary of the Linnean Society at a meeting on the ...
In the cultivation of edible fruit and vegetables, nutritional value, shelf life, and crop yield are also among the potential considerations. Some of the lists use the word variety instead of cultivar. In most of these lists, variety refers to a cultivar that is recognised by the International Union for the Protection of New Varieties of Plants ...
An analysis of that data found traces of 254 pesticides in all fruits and vegetables analyzed, with 209 of those chemicals on produce in the “Dirty Dozen” list.