Effect of incorporating Azolla sp. green manure to reduce parasitic nematode damages in organoponic cultures
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Abstract
vitally-important aspect, since they eventually lose nutrient
richness and are prone to be infected by parasitic nematodes,
causing a considerable yield and crop quality decrement. This
investigation was carried out with the objective of determining
the effect of incorporating Azolla sp. on gill-producing
nematode populations and damages provoked, as well as on
yield of different crops in INRE organoponics, Los Palacios,
Pinar del Río. For three consecutive years, highly degree
infected beds with gill-producing parasitic nematodes from
Meloidogyne sp. were studied, in which Azolla sp. was
incorporated as green manure at the rate of 2 kg.m-2. Results
showed that Azolla sp. fern reduced parasitic nematode
damages significantly and increased crop yields in cucumber,
beet, carrot, tomato, chard and lettuce. Concerning lettuce,
root gills proved to be significantly reduced during two
consecutive harvests.
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