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Species And Varieties Their Origin By Mutation (Paperback) Loot Price: R1,030
Discovery Miles 10 300
Species And Varieties Their Origin By Mutation (Paperback): Hugo DeVries

Species And Varieties Their Origin By Mutation (Paperback)

Hugo DeVries

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Loot Price R1,030 Discovery Miles 10 300 | Repayment Terms: R97 pm x 12*

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From time to time the idea has suggested itself to some of the best authorities on the amelioration of plants, that this atavism was not due to an innate tendency, but, in many cases at least, was produced by crosses between neighboring varieties. It is especially owing to Verlot that this side of the question was brought forward. But breeders as a rule have not attached much importance to this supposition, chiefly because of the great practical difficulties attending any attempt to guard the species of the larger cultures against intermixture with other varieties. Bees and humble-bees fly from bud to bud, and carry the pollen from one sort to another, and separation by great distances would be required to avoid this source of impurity.

General

Imprint: Kessinger Publishing Co
Country of origin: United States
Release date: June 2004
First published: June 2004
Authors: Hugo DeVries
Dimensions: 235 x 190 x 21mm (L x W x T)
Format: Paperback
Pages: 408
ISBN-13: 978-1-4191-4851-4
Categories: Books > Science & Mathematics > Biology, life sciences > General
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LSN: 1-4191-4851-6
Barcode: 9781419148514

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