Tomato physiological response to two Glomus sp1 (INCAM 4) inoculants applied through two different inoculation forms
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Abstract
(Lycopersicon esculentum) cv INCA 9 (1) was studied after
applying two inoculant forms made up of Glomus sp
1(INCAM 4): one in a solid medium and the other in a liquid medium. The
solid inoculant was directly put in the substrate of the pots at
a single dose and time, whereas the liquid inoculant was
sprayed by means of drop irrigation system at different doses
and times. The experiment was carried out in a cooling-equipped
polycarbonate greenhouse for temperature and relative
humidity control. Results showed that the highest colonization
and fungal occupation percentages were reached 40 days after
seed germination in the liquid inoculant treatments. Soil
moisture values were similar in all treatments, indicating that
an adequate irrigation regime was supplied to plants, in order
to guarantee the same water requirements during all the expe-
rimental period. In general, the values of water relations, gas
exchange, dry biomass growth and morphological growth va-
riables were higher when plants were treated with the liquid
inoculant through irrigation, independently of the dose and
time used.
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