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Tree breeding is the application of genetic, reproductive biology and economics principles to the genetic improvement and management of forest trees. In contrast to the selective breeding of livestock, arable crops, and horticultural flowers over the last few centuries, the breeding of trees, with the exception of fruit trees, is a relatively recent occurrence.
Plant breeders' rights (PBR), also known as plant variety rights (PVR), are rights granted in certain places to the breeder of a new variety of plant that give the breeder exclusive control over the propagating material (including seed, cuttings, divisions, tissue culture) and harvested material (cut flowers, fruit, foliage) of a new variety for a number of years.
The breeder hopes for desirable traits to be bred with other cultivars – a process known as mutation breeding. Classical plant breeders also generate genetic diversity within a species by exploiting a process called somaclonal variation, which occurs in plants produced from tissue culture, particularly plants derived from callus.
David Mizejewski, a naturalist with the National Wildlife Federation, said removing leaves from your yard or garden deprives the area of nutrients while simultaneously destroying a wildlife habitat.
Tree sitting is a strategy that provides a high level of public attention since it is considered to be very dangerous and requires highly skilled police officers to evict the sitters. Tree sitting is often used as a stalling tactic, to prevent the cutting of trees while lawyers fight in the courts to secure the long-term victories. [citation ...
The 1991 Convention specifies that the breeder's right must be granted for at least 20 years from grant date for perennial crops and at least 25 years in the case of varieties of trees or vines. In the 1978 convention minimum duration of breeders rights are 15 years for perennials and 18 years for trees and vines.
Backyard breeders are creating more dogs than the city can handle. Dogs are dumped at overwhelmed shelters or are left on the street where the unvaccinated and unsocialized animals may attack people.
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