ศูนย์นวัตกรรมเทคโนโลยีหลังการเก็บเกี่ยว

Biocontrol agents of Penicillium spp. in wax covers for citrus fruits.

Visintin, G.; Falico, L.; Garcia, B.; Garran, S.;

Fitopatologia Year: 2000 Vol: 35 Issue: 3 Pages: 163-168 Ref: 18 ref.

2000

บทคัดย่อ

An alternative way of applying biocontrol agents to citrus fruits is to mix them with wax covers. The main objective of the present work was to verify the efficiency of two microorganisms, biocontrollers of Penicillium spp., mixed with carnauba and polyethylene wax, and to evaluate their survival on the fruits. Using an experimental packing isolated line, the following treatments were applied: Bacillus sp., a rose-coloured yeast isolated from lemon leaves, the fungicide Benomil [benomyl], and the control. Data taken were the percentage of rotten fruits, density of sporulation of Penicillium spp., and survival of biocontrollers. The survival of the yeast on fruit surfaces was highly affected, resulting in a high percentage of rotten fruits. Bacillus sp. was more efficient than the yeast, with a better survival in the wax, but it was not as effective as the fungicide. There were no differences among treatments as to sporulation control. Furthes studies should be undertaken on the application of th

ese microorganisms with other waxes of different pH and composition.