植物制剂在玉米贮藏象鼻虫管理中的应用

IF 0.5 Q4 AGRONOMY

Journal of Agriculture and Environment for International Development Pub Date : 2022-06-30 DOI:10.3126/aej.v23i1.46925

K. Basyal, R. Sapkota, A.S.R. Bajryacharya, S. Bhattarai

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引用次数: 2

摘要

采用完全随机设计的四重复试验，对不同植物性杀虫剂对贮藏象鼻虫的防治效果进行了评价。七种植物材料;菖蒲;派珀·尼格鲁姆·林。花椒DC;杜鹃花;苦楝苦楝。，贾斯蒂西亚·阿达达·林。和Artemisia vulgaris Linn。与对照组比较。玉米样品以4对成虫/50 g的速度侵染玉米蚜。处理120 d时，对照和菖蒲的象鼻虫子代数最高，分别为19.75%和0.70，籽粒受害率最低，分别为19.50%和0.21%。同样，体重减轻率以对照最高(7.03%)，菖蒲最低(1.80%)，籼稻次之(2.79%)，黑菖蒲次之(3.13%)。处理后14 d和21 d内，菖蒲和黑麦籽粒象鼻虫死亡率均为100%。菖蒲对象鼻虫的贮藏管理效果较好。

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Use of Botanicals for Management of Weevil (Sitophilus zeamais motschulky) in Maize Storage

A laboratory study was conducted with the aim of evaluating efficacy of different botanical insecticides against weevil in storage with four replication in completely randomized design. Seven plant materials; Acorus calamus Linn., Piper nigrum Linn., Zanthoxylum armatum DC., Azedarachta indica A. Juss., Melia azedarach Linn., Justicia adhatoda Linn., and Artemisia vulgaris Linn. were compared along with control. Maize samples were infested with S. zeamais at the rate of 4 pair adults/50 g. At 120 days of treatment, the highest and lowest number of weevil progeny (19.75 and 0.70), and grain damage % (19.50% and 0.21%) was recorded in control and A. calamus. Similarly, weight loss% was the highest on control (7.03%) and lowest on A. calamus (1.80%), followed by A. indica (2.79%) and P. nigrum (3.13%), respectively.100% weevil mortality was observed in A. calamus and P. nigrum treated grains within 14 and 21 days. A. calamus was found more effective for weevil management in storage.

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来源期刊

Journal of Agriculture and Environment for International Development AGRONOMY-

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

16 weeks

期刊介绍： The Journal of Agriculture and Environment for International Development is an international, multidisciplinary journal dealing with agricultural production, food security, environment, remote sensing and natural resources evaluation, economics and social science, rural development and soil science. The Journal publishes scientific, technical and extensional papers concerning activities devoted to Developing Countries and Countries in transition. The language of the Journal is English. Starting from 2015, papers in other languages will not be accepted.