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Reference · Crops

Grasses

Grasses (Latin: Poaceae) form one of the most important plant families in agriculture, encompassing vital cereal crops like wheat, rice, maize, barley, and oats. These monocotyledonous plants are the foundation of global food security, providing essential grains for human consumption, livestock feed, and diverse industrial raw materials such as biofuel and textiles.

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Cenchrus28 Chionochloa9 Chimonobambusa4 Chionachne4 Centropodia3 Catapodium2 Chascolytrum2 Chloothamnus2 Chloris2 Castellia1 Catalepis1 Centipede grass1 Centotheca1 Chaetopogon1 Chasmanthium1 Chasmanthium1 Chasmopodium1 Chimonocalamus1 Chionochloa1
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Carpathian fescue Festuca carpatica Castellia Castellia 1 item Catalepis Catalepis 1 item Catapodium Catapodium 2 items Catchfly grass Leersia lenticularis Cayenne panicgrass Panicum cayennense Celakovsky's needle grass Stipa celakovskyi Cenchrus Cenchrus x Megathyrsus Cenchrus Cenchrus L. 28 items Cenchrus caliculatus Cenchrus caliculatus Cenchrus divisus Cenchrus divisus Cenchrus geniculatus Cenchrus geniculatus Cenchrus hohenackeri Cenchrus hohenackeri Cenchrus hordeoides Cenchrus hordeoides Cenchrus latifolius Cenchrus latifolius Cenchrus laxius Cenchrus laxius Cenchrus massaicus Cenchrus massaicus Cenchrus monostigma Cenchrus monostigma Cenchrus myosuroides Cenchrus myosuroides Cenchrus nubicus Cenchrus nubicus Cenchrus pilcomayensis Cenchrus pilcomayensis Cenchrus pilosus Cenchrus pilosus Cenchrus prieurii Cenchrus prieurii Cenchrus ramosus Cenchrus ramosus Cenchrus sphacelatus Cenchrus sphacelatus Cenchrus unisetus Cenchrus unisetus Cenchrus violaceus Cenchrus violaceus Cenis bluegrass Poa cenisia Centipede grass Eremochloa 1 item Centotheca Centotheca 1 item Centropodia Centropodia 3 items Ceylon lovegrass Eragrostis zeylanica Chaetopogon Chaetopogon 1 item Chaix's bluegrass Poa chaixii Chalk fescue Festuca cretacea Chamaeraphis Chamaeraphis Chapman's panicgrass Panicum chapmani Charrua needlegrass Stipa charruana Chascolytrum Chascolytrum 2 items Chasmanthium Chasmanthium Link 1 item Chasmanthium Chasmanthium 1 item Chasmopodium Chasmopodium 1 item Chewing's fescue Festuca nigrescens Chewing's fescue Festuca trichophylla Chikusichloa Chikusichloa Chilean Brome Bromus trinii Chilean sandbur Cenchrus chilensis Chimonobambusa Chimonobambusa Makino Chimonobambusa Chimonobambusa 4 items Chimonocalamus Chimonocalamus 1 item Chinese bluestem Andropogon chinensis Chinese fountain grass Cenchrus alopecuroides Chinese lovegrass Eragrostis unioloides Chionachne Chionachne 4 items Chionochloa Chionochloa Zotov 1 item Chionochloa Chionochloa 9 items Chloothamnus Chloothamnus 2 items Chloris Chloris 2 items Chloris canterai Chloris canterai Chloris ciliata Chloris ciliata
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Grasses

Botanically, grasses are characterized by fibrous root systems, jointed stems known as culms, and leaves with parallel venation. Their flowers are typically arranged in spikelets, forming complex inflorescences like spikes or panicles. The fruit is a caryopsis, a type of grain in which the fruit wall is fused to the seed coat, distinguishing them from other botanical fruits.

The distribution of grasses is worldwide, ranging from equatorial regions to subarctic zones. This adaptability is the result of long-term natural evolution and centuries of selective breeding. Most cultivated grasses originated in fertile valleys of the Near East, East Asia, and the Americas, where ancient civilizations first practiced sedentary agriculture.

Agronomic requirements depend on the specific species, though most grasses thrive in well-drained soils rich in nitrogen, phosphorus, and potassium. Crop management practices include soil tillage, strategic fertilization, and adherence to crop rotation cycles to maintain soil health. Irrigation is essential for high-yield species like rice, while others are adapted to rain-fed farming systems.

Key challenges in cultivation include fungal pathogens like rusts, smuts, and mildews, alongside insect pests such as aphids, stem borers, and locusts. Integrated Pest Management (IPM) strategies, involving the use of resistant crop varieties, biological control, and judicious pesticide application, are essential for ensuring sustainable yields and optimal grain quality.

  • Cereals: primary grains for food production.
  • Forage grasses: critical for livestock pastures and silage.
  • Turf and ornamental grasses: significant for landscaping and soil erosion control.