1.华中农业大学植物科学技术学院,武汉 430070
2.石首市农业农村局,石首 434400
3.石首市双绿丰虾稻连作专业合作社,石首 434400
张信越,E-mail:15972790119@163.com
蔡万伦, E-mail:wanluncai@163.com
收稿:2024-08-19,
纸质出版:2025-05-06
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张信越,苏海英,李佳凡,等.鸭对稻-虾田病虫草及节肢动物群落多样性的影响[J].华中农业大学学报,2025,44(3):45‐52.
ZHANG Xinyue,SU Haiying,LI Jiafan,et al.Effects of ducks on pests, weeds, and diversity of arthropod communities in paddy fields with rice-crayfish cultivation[J].Journal of Huazhong Agricultural University,2025,44(03):45-52.
张信越,苏海英,李佳凡,等.鸭对稻-虾田病虫草及节肢动物群落多样性的影响[J].华中农业大学学报,2025,44(3):45‐52. DOI: 10.13300/j.cnki.hnlkxb.2025.03.006.
ZHANG Xinyue,SU Haiying,LI Jiafan,et al.Effects of ducks on pests, weeds, and diversity of arthropod communities in paddy fields with rice-crayfish cultivation[J].Journal of Huazhong Agricultural University,2025,44(03):45-52. DOI: 10.13300/j.cnki.hnlkxb.2025.03.006.
为探讨稻-鸭-虾共作模式对稻田病虫草害的控制效果,2022年在华中农业大学双水双绿研究院监利基地开展了大田试验,调查水稻单作模式、常规稻-虾模式以及2种稻-鸭-虾模式下(按鸭活动频度高低依次分为游牧鸭与精简鸭的2种模式)的病虫草害发生情况和田间节肢动物多样性。结果显示,鸭对非禾本科杂草(异型莎草及喜旱莲子草)抑制效果十分明显(
P
<
0.05),而对禾本科杂草(稗草及千金子)未表现出明显抑制作用,同时游牧鸭对于非禾本科杂草的抑制效果高于精简鸭。相较于水稻单作、常规稻-虾模式,投鸭的处理对抑制稻纵卷叶螟与稻飞虱的为害在分蘖期和孕穗期都十分显著,而对二化螟为害未表现出显著抑制效果。在孕穗期,游牧鸭和精简鸭处理过田块的多样性和均匀度均显著高于农药处理过的水稻单作对照,其中,游牧鸭处理的多样性和均匀度最高,精简鸭处理的次之。以上结果表明,稻-虾田养鸭是一种可行而又有效的稻田绿色防控模式。
In order to assess the control effect of the rice-duck-crayfish cultivation models on rice field diseases, pests and weeds, a field experiment was carried out at the Jianli Base of Shuangshui and Shuanglu Research Institute of Huazhong Agricultural Univers
ity in 2022. The occurrence of diseases, insects, and weeds, as well as the diversity of arthropods in the field were investigated under three different cultivation systems: the rice monoculture (CK), rice-crayfish cultivation (RC) and two rice-duck-crayfish cultivation models (HRDC, rice-dark-crayfish model with a high frequency of dark locomotion; LRDC, with a low frequency). The results showed that ducks had a significant inhibitory effect on non-gramineous weeds (
Cyperus difformis
and
Alternanthera philoxeroides
) (
P
<
0.05), but no significant suppression on grasses such as
Echinochloa crusgall
and
Leptochloa chinensis
. Furthermore, the inhibitory effect of HRDC on non-gramineous weeds was greater than that of LRDC. In addition, compared with CK and RC treatments, the two treatments involving ducks significantly inhibited damage caused by the rice leaf roller borer and the rice planthopper during the tillering and booting stages (
P
<
0.05). However, they did not show a significant control over the rice stem borer. At the booting stage, the diversity and evenness of the plots treated with ducks were significantly higher than those of the CK plots treated with pesticides (
P
<
0.05). Among the treatments, the HRDC exhibited the highest levels of diversity and evenness, followed by the LRDC treatment. In summary, integrating duck farming into rice-crayfish cultivation fields presents a feasible and effective environmentally friendly control system for rice fields.
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