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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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Isachne19 Koeleria17 Ichnanthus3 Ischaemum3 Imperata2 Indocalamus2 Job's tears2 Koeleria2 Hyperthelia1 Indiangrass1 Iseilema1
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Hyparrhenia nyassae Hyparrhenia nyassae Hyparrhenia papillipes Hyparrhenia papillipes Hyparrhenia pilgerana Hyparrhenia pilgerana Hyparrhenia sinaica Hyparrhenia sinaica Hyparrhenia smithiana Hyparrhenia smithiana Hyparrhenia welwitschii Hyparrhenia welwitschii Hyperthelia Hyperthelia 1 item Iberian feather grass Stipa iberica Iberian fescue Festuca iberica Ichnanthus Ichnanthus 3 items Ichu grass Stipa ichu Imperata Imperata 2 items Imperata brevifolia Imperata brevifolia Imperata conferta Imperata conferta Imperata contracta Imperata contracta Imperata exaltata Imperata exaltata Imperata tenuis Imperata tenuis Indian grass Sorghastrum avenaceum Indiangrass Sorghastrum 1 item Indocalamus Indocalamus Nakai Indocalamus Indocalamus 2 items Inebriating needlegrass Stipa inebrians Intermediate bristlegrass Setaria intermedia Intermediate brome Bromus intermedius Intermediate lovegrass Eragrostis intermedia Interrupt brome Bromus interruptus Interrupted brome Lolium interruptum Isachne Isachne 19 items Ischaemum Ischaemum 3 items Ischaemum anthephoroides Ischaemum anthephoroides Ischaemum aristatum Ischaemum aristatum Ischaemum australe Ischaemum australe Ischaemum crassipes Ischaemum crassipes Ischaemum fasciculatum Ischaemum fasciculatum Ischaemum goebelii Ischaemum goebelii Ischaemum indicum Ischaemum indicum Ischaemum magnum Ischaemum magnum Ischaemum muticum Ischaemum muticum Ischaemum polystachyum Ischaemum polystachyum Ischaemum santapaui Ischaemum santapaui Iseilema Iseilema 1 item Iseilema laxum Iseilema laxum Iseilema macrantherum Iseilema macrantherum Iseilema membranaceum Iseilema membranaceum Island paspalum Paspalum nesiotes Japanese brome Bromus japonicus Japanese foxtail Alopecurus japonicus Japanese lovegrass Eragrostis japonica Japanese muhly Muhlenbergia japonica Japanese reed Phragmites japonicus Java Citronella Cymbopogon winterianus Jemtland bluegrass Poa jemtlandica Job's tears Coix 2 items Jointed goatgrass Aegilops cylindrica Kangaroo grass Themeda australis Khorasan wheat Triticum turanicum King's fescue Festuca kingii Knotroot foxtail Setaria geniculata Koeleria Koeleria Pers. 2 items Koeleria Koeleria 17 items

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.