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| The field efficacy test of 9 fungicides on Pitaya Anthracnose（Colletotrichum gloeosporioides） |
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| DOI：10.16768/j.issn.1004-874X.2017.11.018 |
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| Abstract: |
| The field efficacy test was conducted for screening efficient and safe fungicides against Pitaya
Anthracnose（ Colletotrichum gloeosporioides）. The results showed that by spraying 1 500 times 10% difennoconanose
WG and 1 500 times 50% prochloraz WP against Pitaya Anthracnose，the control effects reached 77%. Bordeaux
mixture（ the ratio of CuSO4，CaO and H2O is 1∶1∶100） come second，after three times of application，the control
effect of Bordeaux mixture against Pitaya Anthracnose reached 66.67%，which had no significant difference with
that of 1 500 times 10% difenoconazole WG and 1 500 times 50% prochloraz WP at the significant level of 0.05
and 0.01. So we could use 1 500 times 10% difenoconazole WG and 1 500 times 50% prochloraz WP alternately to
prevent Pitaya Anthracnose in field production. Pitaya was sensitive to lime-suffer and Bordeaux mixture，those two
fungicides should be used cautiously in field production ，especially during reproductive growth stage. |
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