不同耕作和杂草管理方式下小麦(Triticum aestivum)的杂草动态和生产力

IF 0.3 4区农林科学 Q4 AGRICULTURE, MULTIDISCIPLINARY

Indian Journal of Agricultural Sciences Pub Date : 2023-09-26 DOI:10.56093/ijas.v93i9.138136

PARMESWAR DAYAL, ARUN KUMAR, SHASHANK TYAGI, RAVIKESH KUMAR PAL, BAL MANOHAR, SHIVANI RANJAN, SUMIT SOW

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引用次数: 0

摘要

常规耕作方式下产量下降是由于作物与杂草竞争加剧和杂草积累干物质增多(Kumar et al. 2018)。由于无杂草竞争，在所有杂草管理措施中，无杂草处理的粮食产量最高。与此相反，杂草处理由于整个季节的杂草竞争，籽粒产量最低。W8下的最高产量是由于这些除草剂的广谱活性(Sharma et al. 2014, Sunil et al. 2021)。免耕减少了杂草的发生和抑制，从而提高了粮食产量。因此，为了减少杂草生长，提高产量，应实行免耕和20%的甲磺隆(4 g a.i./ha) + 15%的丙丙醇(60 g a.i./ha)。

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Weed dynamics and productivity of wheat (Triticum aestivum) under various tillage and weed management practices

The reduced yield under conventional tillage is due to more crop-weed competition and more dry matter accumulation by the weeds(Kumar et al. 2018). Due to zero weed competition, weed-free treatments yielded the highest grain yield of all weed managementpractices. In contrast to this, the lowest grain yield was obtained in weedy treatment due to season-long weed competition. Maximum yield under W8 is due to broadspectrum activity of these herbicides (Sharma et al. 2014, Sunil et al. 2021). The use of zero tillage reduced weed incidence and suppression, leading to higher grain yields. Therefore, zero tillage and metsulfuron 20% wp 4 g a.i./ha + clodinafop propargyl 15% wp 60 g a.i./ha should be practiced for minimizing weed growth and maximizing the yield.

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来源期刊

Indian Journal of Agricultural Sciences 农林科学-农业综合

CiteScore

0.80

自引率

25.00%

发文量

273

审稿时长

6 months

期刊介绍： The Indian Journal of Agricultural Sciences publishes papers concerned with the advancement of agriculture throughout the world. It publishes original scientific work related to strategic and applied studies in all aspects of agricultural science and exploited species, as well as reviews of scientific topics of current agricultural relevance. Specific topics of interest include (but are not confined to): genetic resources, all aspects of crop improvement,crop production,crop protection, physiology, modeling of crop systems, the scientific underpinning of agronomy, engineering solutions, decision support systems, land use, environmental impacts of agriculture and forestry, impacts of climate change, rural biodiversity, experimental design and statistical analysis, the application of new analytical and study methods (including molecular studies) and agricultural economics. The journal also publishes book reviews. Articles are accepted on the following broad disciplines: Agric. Engineering & Technology, Agric. Social & Economic Sci., Agronomy, Biometry, Biosciences, Cytology, Ecology, Environmental Sciences, Fertilization, Forestry , Genetics, Horticultural Sciences, Microbiology, Pest, Weed Control etc., Molecular Biology, Plant Pathology, Plant Breeding, Physiology and Biochemistry, Soil Sciences, Special Cultivation Technology, Stress Breeding, Agric. extension, and Cell Biology.