E-viri
Recenzirano
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Wari, David; Okada, Ryo; Takagi, Motonori; Yaguchi, Masato; Kashima, Tetsuro; Ogawara, Takashi
Pest management science, September 2020, 2020-Sep, 2020-09-00, 20200901, Letnik: 76, Številka: 9Journal Article
BACKGROUND Bemisia tabaci is a notorious agricultural pest that causes serious damage to many crops via herbivory and spread of viral diseases. Effective control measures are, therefore, required. Integrating entomopathogenic fungi into the chemical control system offers promise for B. tabaci management. RESULTS In‐vitro assays on the augmentative effect of Beauveria bassiana GHA strain with insecticides, and its compatibility with fungicides were tested. Varying egg mortality was observed for most insecticides except for milbemectin. Pyrifluquinazon was less effective against the nymphs. Flonicamid showed no insecticidal effect on either nymphs or adults. However, increased mortality in nymphs and adults was observed when flonicamid was mixed with Beauveria bassiana GHA strain. Furthermore, no significant synergistic effect of mixing pesticides with B. bassiana GHA strain was observed. Most insecticides (when not mixed with B. bassiana) showed high (>80%) mortality against B. tabaci nymphs and adults. Most fungicides tested showed no inhibitory effects on B. bassiana GHA strain against B. tabaci nymphs and adults. Fungistatic effect was observed in the mycelial and spore germination inhibition studies. Weekly rotation of some pesticides with B. bassiana GHA strain in greenhouse conditions yielded significant reduction in different growth stages of B. tabaci. However, no significant difference in viral incidence was observed. CONCLUSION Laboratory and field tests showed positive effects of augmenting pesticides and B. bassiana GHA strain against B. tabaci nymphs and adults. Therefore, augmentation of pesticides and B. bassiana GHA strain is one prospect towards developing an effective B. tabaci IPM system. © 2020 Society of Chemical Industry Summary: Beauveria bassiana augmented some insecticides against B. tabaci in vitro. Fungistatic effect of fungicides on the B. bassiana. B. bassiana augmented chemical control of B. tabaci in greenhouse conditions.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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