不同除草剂、植物提取物和地膜对玉米产量及产量成分的影响

IF 0.8 Q3 Agricultural and Biological Sciences

Planta Daninha Pub Date : 2020-04-17 DOI:10.1590/s0100-83582020380100028

I. Khan, Obaid ur Rehman, S. Khan, H. Alsamadany, Y. Alzahrani

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引用次数: 6

摘要

摘要：为了研究出苗前除草剂、植物提取物和覆盖物对玉米产量和产量构成的影响，巴基斯坦白沙瓦农业大学新发展农场在2016年夏季作物季节进行了田间试验。玉米品种“阿扎姆”以随机完全区组（RCB）设计播种，具有四个重复和十个处理，即手动除草、双金960 EC（S-甲草胺1Lha-1）、Stomp 330 EC（二甲戊烯2.5LHa-1）、阿特拉津1.25LHa-1、赤桉提取物（125g L-1）、，看到了覆盖灰尘和杂草。数据显示，人工除草和除草剂显著影响杂草密度（m-2）、杂草生物量（kg ha-1）、株高（cm）、粒重（g）、穗粒数、生物产量（kg ha-1）和粮食产量（kg ha-1）。人工除草、阿特拉津、S-甲草胺和二甲戊胺处理的小区中，作物的所有显著参数都具有可比性。然而，阿特拉津和S-甲草胺被证明是最经济的除草剂，产量最高（分别为4636.4和4562.8 kg ha-1）。在植物提取物中，赤霉在抑制杂草和提高玉米产量方面表现出令人满意的效果，即（3441.6kg ha-1）。因此，建议以推荐的速率使用除草剂（阿特拉津和S-甲草胺），并手动除草，以有效控制杂草，最终实现玉米作物的高产。

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Effect of Different Herbicides, Plant Extracts and Mulches on Yield and Yield Components of Maize

ABSTRACT: To examine the effect of pre emergence herbicides, plant extracts and mulches on yield and yield components of maize, a field experiment was carried out at New Developmental Farm, The University of Agriculture Peshawar-Pakistan during summer crop season 2016. Maize variety “Azam” was sown in Randomized Complete Block (RCB) design having four replications and ten treatments i.e. hand weeding, Dual Gold 960 EC (S-metolachlor 1 L ha-1), Stomp 330 EC (pendimethaline 2.5 L ha-1), atrazine 1.25 L ha-1, Eucalyptus camaldulensis L. extract (125 g L-1), Ammi visnaga L. extract (125 g L-1), black plastic mulch, wheat straw mulch, saw dust mulch and weedy check. The data revealed that hand weeding and herbicides significantly affected the weed density (m-2), weeds biomass (kg ha-1), plant height (cm), kernels weight (g), number of kernels ear-1, biological yield (kg ha-1) and grain yield (kg ha-1). All the significant parameters of crop were comparable among the hand weeding, atrazine, S-metolachlor and pendimethaline treated plots. However, atrazine and S-metolachlor proved to be the most economical herbicides giving maximum yield (4636.4 and 4562.8 kg ha-1), respectively. Among plant extracts, E. camaldulensis showed satisfactory results in suppressing weeds and enhancing yield of maize i.e. (3441.6 kg ha-1). Hence, the use of herbicides (atrazine and S-metolachlor) at the recommended rates and hand weeding is recommended for effective weed control and ultimately high yield of maize crop.

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来源期刊

Planta Daninha Agricultural and Biological Sciences-Plant Science

自引率

0.00%

发文量

审稿时长

16 weeks

期刊介绍： Planta Daninha is a scientific journal published by the Brazilian Society of Weed Science (SBCPD - Sociedade Brasileira da Ciência das Plantas Daninhas). Papers submitted for publication must be sent through an electronic system, on http://www.scielo.br/pd. Works may be written in Portuguese, English, or Spanish, and will be accepted after being reviewed and approved by the Editorial Board. Only papers that have not been published or submitted for publication in other media will be accepted. Articles in Portuguese will be translated to English after being properly corrected and authorized by the authors. Planta Daninha has with goal to publish genuine technical-scientific papers and literature reviews from a critical perspective on Biology, weed management, and related topics.