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    Effects of environmental and meteorological factors on the occurrence rule of citrus psyllid, an important transmission vector of citrus huanglongbing
    MAI Xin-jing, WANG Pan, CAI Si-hang, HUANG Jiang-hua
    HUBEI AGRICULTURAL SCIENCES    2024, 63 (4): 61-66.   DOI: 10.14088/j.cnki.issn0439-8114.2024.04.012
    Abstract43)      PDF (1666KB)(13)       Save
    The sensitivity of the citrus psyllid (Diaphorina citri) to environmental and meteorological factors and its relationship with the spread of huanglongbing (HLB) were investigated. The basic information about the citrus psyllid was summarized and the impact of environmental factors (such as altitude, latitude, soil, field management, hosts, and biological factors) and meteorological factors (such as temperature, humidity, rainfall, light, and air pressure) on its occurrence patterns was explored. The information helped in predicting the occurrence of citrus psyllid and formulating effective control strategies to reduce the risk of huanglongbing transmission.
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    Laboratory control of 19 insecticides against Lixus subtilis Boheman of Chenopodium quinoa
    XU Zhi-ping, ZHAO Xiao-jun, XING-Kun, ZHAO-Fei
    HUBEI AGRICULTURAL SCIENCES    2024, 63 (4): 67-72.   DOI: 10.14088/j.cnki.issn0439-8114.2024.04.013
    Abstract28)      PDF (2696KB)(5)       Save
    Using diatomaceous earth and yellow soil as pesticide carriers, 19 insecticides were used to control Lixus subtilis Boheman of Chenopodium quinoa in laboratory. The results showed that 40% chlorpyrifos EC and 40% phoxim EC showed the quick-acting property and sustained performance, and the control effects reached 100% after 7 days, which was recommended for production. Using diatomite as the carrier, the control effects of 5% acetamiprid EC, 3.2% beta-cypermethrin·emamectin benzoate ME, 5% emamectin benzoate SC and 20% dinotefuran soluble granule were significantly improved, and the control effects were 100.0%, 100.0%, 73.3% and 95.8%, respectively, after 7 days of administration, which could effectively control Lixus subtilis Boheman of Chenopodium quinoa, and it was recommended to use the mixed application of insecticide and diatomaceous earth in production.
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