In February 2024, the United States Environmental Protection Agency (EPA) vacated registrations of dicamba products for over-the-top applications on dicamba-resistant cotton and soybean following a court ruling. This decision has raised significant concerns among farmers, who now have limited chemical options to manage tough-to-control weeds. However, risk off-target movement sensitive plants remains critical issue. If permitted in future, applying as preemergence (PRE) treatment, tank-mixed...

Abstract A field study was conducted from 2020 to 2023 at Kansas State University Agricultural Research Center near Hays, KS, understand the emergence dynamics and periodicity of glyphosate-resistant (GR) Palmer amaranth ( Amaranthus palmeri S. Watson) as influenced by cover crop (CC) residue residual herbicide in grain sorghum [ Sorghum bicolor (L.) Moench]. The site under a wheat Triticum aestivum L.)–sorghum–fallow rotation with natural seedbank GR A. . Treatments included (1)...

Herbicide resistance in weeds is a global threat to sustaining food security. In India, herbicide-resistant Phalaris minor was the major problem wheat for more than two decades, but continuous use of metsulfuron-methyl (an ALS inhibitor) control broadleaf has resulted evolution inhibitor-resistant Rumex dentatus L. This review summarizes current scenario herbicide R. dentatus, along with its ecology and management perspectives. Studies have provided valuable insights on emergence pattern...

Abstract Leucaena [ leucocephala (Lam.) de Wit] is a perennial weed in more than 25 countries, including Australia. Knowledge regarding the seed biology of L. could help making management decisions. Experiments were conducted to study effect hot water (scarification), alternating temperatures, heat stress, salt and burial depth on germination two populations collected from Toowoomba Gatton, The optimum duration treatment break hard coat dormancy was 2 min for both populations. highest (92%...

Abstract Multiple herbicide-resistant (MHR) kochia is a serious concern in the U.S. Great Plains and warrants alternative herbicide mixtures for its control. Greenhouse field experiments were conducted at Kansas State University research extension centers near Hays Garden City, KS, to investigate interactions of 2,4-D, dichlorprop-p, dicamba, halauxifen/fluroxypyr premix various combinations MHR Two previously confirmed (resistant glyphosate, fluroxypyr) populations susceptible population...

Chenopodium album L. and murale are two principal weed species, causing substantial damage to numerous winter crops across the globe. For sustainable resource-efficient management strategies, it is important understand weeds’ germination behaviour under diverse conditions. investigations, seeds of both species were incubated for 15 days different temperatures (10−30 °C), salinity (0−260 mM NaCl), osmotic stress (0−1 MPa), pH (4−10), heating magnitudes (50−200 °C). The results indicate that...

Abstract Vipergrass [ Dinebra retroflex a (Vahl) Panzer] is an annual weed of the Poaceae family distributed in several parts Australia, Asia, and Europe. Very limited information available on its germination response to different environmental conditions. Knowledge seed ecology biology could help formulating better management decisions. Experiments were conducted study effect alternating temperatures, light conditions, salt stress, water burial depths, wheat residue amounts or emergence D....

Abstract Multiple herbicide classes resistant (MHCR) kochia poses a serious concern for producers in the Central Great Plains, including western Kansas. Greenhouse and field experiments were conducted at Kansas State University Research Extension Centers near Hays Garden City, KS to evaluate pyridate-based postemergence (POST) mixtures controlling MHCR kochia. One previously confirmed population (resistant atrazine, glyphosate, dicamba, fluroxypyr) susceptible (SUS) tested greenhouse study....

Abstract Two separate field experiments were conducted during the 2021 to 2022 and 2023 growing seasons at Kansas State University Agricultural Research Center near Hays, KS, understand emergence dynamics of glyphosate-resistant (GR) kochia [ Bassia scoparia (L.) A. J. Scott] as influenced by fall- spring-planted cover crops (CC) residual herbicide. Study sites under winter wheat ( Triticum aestivum L.)–sorghum Sorghum bicolor Moench]–fallow rotation with a natural seedbank GR B. . In...

Abstract Multiple herbicide-resistant (MHR) kochia [ Bassia scoparia (L.) A. J. Scott] is a concern for farmers in the Great Plains. A total of 82 B. populations were collected from western Kansas (KS), Oklahoma (OK), and High Plains Texas (TX) during fall 2018 2019 (from various locations), their herbicide resistance status was evaluated. The main objectives to (1) determine distribution frequency atrazine, chlorsulfuron, dicamba, fluroxypyr, glyphosate; (2) characterize levels glyphosate,...

Abstract Integrating cover crops (CC) in dryland crop rotations could help controlling herbicide-resistant weeds. Field experiments were conducted at Kansas State University Agricultural Research Center near Hays, KS from 2020-2023 to determine the effect of fall-planted CC on weed suppression grain sorghum, yield, and net returns no-till winter wheat ( Triticum aestivum L.)-grain sorghum [ Sorghum bicolor (L.) Moench]-fallow (W-S-F) rotation. The field site had a natural seedbank...

Acacia nilotica (L.) Willd. ex Del, commonly known as babul, kikar belongs to family Leguminosae and is recognized a multipurpose tree. It helps in improving soil fertility, increasing the activity of symbiotic microorganisms providing various commercial benefits. The raising high quality seedlings necessary establish good plantation role arbuscular mycorrhizal fungi (AMF) becomes imminent under nursery. effect three different species Glomus spp. (G. mosseae, G. intraradices fasciculatum)...

Farmers’ participatory front line demonstrations on method of sowing paddy with D.S.R. machine and traditional transplanting as local check were conducted at ten location during kharif (2014 2015) under CCS, HAU, Krishi Vigyan Kendra, Fatehabad, Haryana. The study reveals that an average 52.07 q/ha yield (var. PUSA-1121) was recorded in demonstration plot compare to 51.64 which 0.9 per cent higher over the check. data economic parameters a net return Rs.55033 ha Rs.47123 benefit-cost (B:C)...

Abstract Evolution of herbicide resistance in weeds is a serious threat for sustainable crop production. There were reports poor control toothed dock ( Rumex dentatus L.) with metsulfuron‐methyl herbicide, an acetolactate synthase (ALS) inhibitor used wheat Triticum aestivum at farmers’ fields Northwest India. Two‐year greenhouse and field studies conducted to (a) determine the level metsulfuron biotypes collected from (b) find effective herbicides its management. Metsulfuron‐resistant 6.8‐...

Background: Berseem plays an important role as fodder, in the health and nutrition of a large livestock population India. The productivity green fodder per unit area could be increased by adopting recommended scientific sustainable packages practices. Methods: Farmers’ participatory front line demonstrations on integrated crop management (ICM) practices traditional method sowing farmers’ practice (FP) were conducted during Rabi (2016-17 to 2018-19) under CCS, HAU, Krishi Vigyan Kendra,...