A photograph of a labeled grass spikelet.

Photographs of pickerelweed and its parts.

Photographs of red rice (Oryza sativa) and its various forms.

Photographs of water starwort (Callitriche heterophylla).

Photographs of mannagrass (Glyeria declinata) and some of its parts.

Eclipta is a member of the Sunflower family, Asteraceae. Its flowers are numerous in a tight head.

Photogaphs of red ludwigia or waterpurslane.

This guide includes helpful information on herbicides and weed control with detailed suggestions for aquatics, commercial nursery stock, field crops, forestry, fruit crops, home gardens, lawns and many other Louisiana crops. It includes information on different types of herbicide registrations, as well as information on herbicide labels and restricted uses. Also included are sprayer calibration techniques, suggestions for reducing herbicide drift and a guide to proper spray tip selection.

Photographs of spikerush (Eleocharis sp.)

Photographs of arrowhead or duck-potato (Sagittaria sp.)

Photographs of water paspalum (Paspalum hydrophilum) and its distinguishing features.

Photographs of roundleaf mudplantain (Heteranthera reniformis) and in comparison to ducksalad (H. limosa)

photograph of ducksalad in flower and compared to Roundleaf Mud Plantain

Photographs of brook paspalum and its distinguishing features.

Photographs of Amazon Sprangletop (Leptochloa panicoides)

Photographs of red sprangletop (Leptochloa filiformis)

Photographs of Swamp Dayflower (Murdannia keisak syn Aneilema keisak).

This publication includes keys to identification of water paspalum, brook paspalum, knotgrass and perennial barnyardgrass.

Photographs of Hedge Hyssop plants.

Photographs of Jointvetch (Aeschynomene sp.) and its parts.

Photographs of alligatorweed and its parts.

Photographs of Texasweed a.k.a. Mexicanweed, Birdeye

The development of Clearfield rice, which is tolerant to imidazolinone herbicides, is the most important advance in rice weed management in recent years.

LSU AgCenter weed scientists began working with Grasp in 2003, but it wasn’t until 2004 that in-depth research could be conducted because of limited product availability.