Valdek Pall 1927–2013

Maedi - visna PALL

Rise in temperature is not observed in visna or maedi. The animals seem to be remarkably alert and the appetite remains unaffected throughout. The period between inoculation of infective visna material and the development of clinical signs varies from animal to animal even with a standard dose. Usually this period is very long and several months to several years may elapse before clinical signs...

Vegetative Response of Saltcedar (Tamarix pentandra Pall.) to Photoperiod.

Saltcedar (Tamarix pentandra Pall.) stem cuttings responded vegetatively to various photoperiods of 11-, 14-, 17-, and 8 + 1-hour duration. Total stem length, average stem length, cuticle thickness, and xylem vessel member outside diameter were significantly maximal under a 14-hour photoperiod and less under photoperiods above and below this level. Numbers of stems and roots produced were signi...

A Pall along the Watchtower: On Leaving the HOPE Conference

All things that live long are gradually so saturated with reason that their origin in unreason becomes improbable.. .. Does the good historian not, at bottom, contradict? —Friedrich Nietzsche, Daybreak We changed " extract " in the first page of the article to " epigraph. " Please check. Precisely because the experience of the 2001 HOPE conference was a bit unnerving, I want to start out with a...

Population genetic structure of taimen, Hucho taimen (Pall.), in China

Hucho taimen (Pall.) is one of the largest salmonid species, and has been classified as an endangered species in China since 1998. In recent years, its wild stocks, habitats, and spawning grounds have been severely damaged by environmental degradation and human intervention. To protect and exploit this treasured species effectively and sustainably, the genetic diversity and structure of taimen ...

معرفی سوسک (.PROPOMACRUS BIMUCRONATUS (Pall از خانواده SCARABAEIDAE