Results 11 to 20 of about 2,684 (217)

Influence of common lambsquarters (Chenopodium album) densities and phosphorus fertilization on lettuce

Crop Protection, 2004
Abstract Field trials were conducted in organic soils to determine the effects of different phosphorus fertilization programs and common lambsquarters ( Chenopodium album L.) densities on ‘South Bay’ lettuce ( Lactuca sativa L.) yield loss. Phosphorus was applied either banded (125 kg P/ha) or broadcast (250 kg P/ha) prior to lettuce planting ...
Gulf Coast Research and Education Center, University of Florida 60th Street East, Bradenton, FL 34203, USA ( host institution ), Santos, Bielinski M., Dusky, Joan A., Stall, William M., Gilreath, James P.   +4 more
openaire   +4 more sources

Emergence of common lambsquarters (Chenopodium album L.) is influenced by the landscape position in which seeds developed

Agricultural & Environmental Letters, 2020
In a 2‐yr field study, we evaluated the emergence and early growth of Chenopodium album L. (common lambsquarters) seedlings as affected by the landscape position in which the seeds (i) developed, (ii) overwintered, and (iii) were planted.
Sharon K. Papiernik, Frank Forcella, Gary B. Amundson   +2 more
doaj   +2 more sources

Artificial Neural Network Modelling of Common Lambsquarters Biomass Production Response to Corn Population and Planting Pattern

Pakistan Journal of Biological Sciences, 2007
This study shows the ability of Artificial Neural Network (ANN) technology to be used for the prediction of the correlation between common lambsquarters (Chenopodium album L.) population, corn (Zea mays L.) population and planting pattern in different days after planting (as inputs) with common lambsquarters biomass production (as output).
S F, Saberali, S A Sadat, Noori, J, Khazaei, A, Hejazi   +3 more
openaire   +4 more sources

Deep learning-based laser weed control compared to conventional herbicide application across three vegetable production systems. [PDF]

Pest Manag Sci
In 2024, trials in New Jersey and New York evaluated the effectiveness of laser weeding with a Carbon Robotics unit compared with herbicides on beets, spinach, and peas. Results demonstrated that laser weeding was as effective or superior to herbicides in controlling weeds, reducing biomass by ≥97% and boosting crop growth by ≥30%.
Sosnoskie LM, Bill K, Butler-Jones A, Bouchelle WM, Besançon TE.   +4 more
europepmc   +2 more sources

Species-specific effects of post-application relative humidity on glufosinate efficacy and absorption in Bassia scoparia and Chenopodium album. [PDF]

Pest Manag Sci
Glufosinate efficacy and absorption are mediated by post‐application relative humidity duration in Bassia scoparia and Chenopodium album, but the effects are species‐specific. Abstract Background In the semi‐arid United States, where relative humidity (RH) in summer ranges from 25% to 35%, suboptimal glufosinate efficacy is a recurrent issue, but ...
Desai HS, Dayan FE, Menalled FD, Shergill LS.   +3 more
europepmc   +2 more sources

Light Reflected from Different Plant Canopies Affected Beta vulgaris L. Growth and Development

Agronomy, 2020
Studies on crop response to light quality (red (R) to far-red (FR) light ratio) often recommend early weed removal to reduce the effects of shade avoidance responses on crop yield.
Albert T. Adjesiwor, Andrew R. Kniss
doaj   +1 more source

Allelopathic Effects of Sorghum (Sorghum bicolor L.) and Russian Knapweed (Acroptilon repens L.) Aqueous Extract on Seed Germination Indices and Enzyme Activity of Some Field Crops and Weeds

Majallah-i ḥifāẓat-i giyāhān, 2018
Introduction: The loss of crop yield due to weeds is enormous. Potential yield reductions caused by uncontrolled weed growth throughout a growing season have an estimated range of 45-95%, depending on ecological and climatic conditions.
azam hatami hampa, abdollah javanmard, mohammad taghi elebrahim, omid sofalian   +3 more
doaj   +1 more source

Effects of Corn and Selected Weed Species on Feeding Behavior of the Stalk Borer, \u3ci\u3ePapaipema Nebris\u3c/i\u3e (Lepidoptera: Noctuidae) [PDF]

, 2017
Experiments were conducted in an outdoor insectary to examine behavioral interactions between fifth instar stalk borers, Papaiperna nebris, and potential host plant species. Plants tested included 6- and 8-leaf stage corn, Zea mays, and ten weed species (
Alvarado, Leticia J, Hogg, David B, Wedberg, John L   +2 more
core   +2 more sources

Weed Suppression, Nitrogen Availability, and Cabbage Production Following Sunn Hemp or Sorghum-sudangrass

HortTechnology, 2021
Cover crops included in a crop rotation can help increase nitrogen (N) availability to subsequent crops, raise soil organic matter, and suppress emergence and growth of various weed species.
Thierry E. Besançon, Maggie H. Wasacz, Joseph R. Heckman   +2 more
doaj   +1 more source

Suitability of Selected Broad-Leaved Weeds for Survival and Growth of Two Stalk-Boring \u3ci\u3eHydraecia\u3c/i\u3e Species (Lepidoptera: Noctuidae) [PDF]

, 2017
Third instar hop vine borer (Hydraecia immanis) and potato stem borer (H. micacea) are new pest species on corn in the Midwest. Early instar larvae feed on small-stemmed grasses, and later instar larvae switch to broad- stemmed hosts to complete ...
Giebunk, Bruce L, Scriber, J. Mark, Wedberg, John L   +2 more
core   +2 more sources