Desempeño post-trasplante de 17 leñosas forrajeras nativas de Sonora, México
2019
An alternative to prevent the worldwide degradation of
arid lands is reforestation with fodder trees and shrubs.
However, studies on the survival, recruitment and growth
of fodder plants in arid areas are scarce. The aim of this
study was to compare the survival total growth of the fodder
species established by transplant and irrigation for a year,
and evaluate the period of survival that follows in a natural
environment, between 2002 and 2016. The hypothesis was
that native species would show different survival, recruitment
and height values. This investigation included a sample of 133
individuals transplanted at random in Sonora, Mexico. Out
of nine tree species,
Prosopis velutina
,
Cercidium floridum
,
Cercidium microphyllum
and
Olneya tesota
had a survival
rate of 100 % and contrasted with five species that had 19 %
(
c
2
= 58.607, p≤0.0001), and
P. velutina
,
C. floridum
, and
C.
microphyllum
, which increased the number of individuals.
Out of eight shrub species,
Caesalpinia palmeri
,
Coursetia
glandulosa
,
Simmondsia chinensis
and
Lippia palmeri
had
a survival rate of 100 % (6.25 %;
c
2
= 36.596, p≤0.0001)
and
C. palmeri
,
C. glandulosa
and
S. chinensis
presented
recruitment.
Ipomoea arborescens
presented the greatest
height in the tree species, with 800 cm and
Coursetia
glandulosa
in shrub species, with 488 cm. These results for
survival, recruitment and total height will help select species
for reforestation programs of the arid regions of Sonora.
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