The 17 entries in Laisha's encyclopedia that attack Rice, grouped by type. Each page covers identification, life cycle, the conditions that favour it, action thresholds and integrated management.
Growing Rice? The free Rice grow guide covers the crop from sowing to harvest.
Insect pests
Asian rice gall midgeOrseolia oryzaeInsect · The rice gall midge is a tiny fly whose maggot crawls into the growing point of a rice tiller and turns it…
Brown planthopperNilaparvata lugensInsect · A small brown sap-sucking insect that lives at the base of rice plants, often unseen until patches of the…
Fall armywormSpodoptera frugiperdaInsect · Fall armyworm is a moth whose caterpillars eat into the funnel of young maize and other grasses, leaving…
Maize weevilSitophilus zeamaisInsect · A small brown weevil with a long snout whose larvae grow hidden inside individual grains of stored maize,…
Rice leaf folderCnaphalocrocis medinalisInsect · The rice leaf folder's caterpillar rolls a rice leaf lengthwise into a tube with silk and feeds inside,…
Spotted stem borerChilo partellusInsect · A moth whose caterpillars feed first in the whorl of young maize and sorghum, leaving rows of small holes in…
Whitebacked planthopperSogatella furciferaInsect · A small planthopper with a white stripe down its back that sucks sap from rice plants. It migrates long…
Yellow stem borer (rice)Scirpophaga incertulasInsect · The most important stem borer of rice in South and Southeast Asia. Its caterpillars tunnel inside rice stems:…
Snails and slugs
Golden apple snail (channeled apple snail)Pomacea canaliculataMollusc · A large freshwater snail from South America that was brought to Asia in the 1980s as food and escaped into…
Fungal diseases
Brown spot of riceBipolaris oryzaeFungal disease · Brown spot covers rice leaves and grains with oval brown spots with grey centres. It is a disease of poor and…
False smut of riceUstilaginoidea virensFungal disease · False smut turns individual rice grains into velvety balls of spores, first orange-yellow and later…
Rice blastPyricularia oryzaeFungal disease · Rice blast is the most important disease of rice worldwide. The fungus makes diamond-shaped grey lesions on…
Sheath blight of riceRhizoctonia solani AG1-IAFungal disease · Sheath blight is the second most important disease of rice after blast in many regions. Oval grey-green…
Bacterial diseases
Bacterial leaf blight of riceXanthomonas oryzae pv. oryzaeBacterial disease · Bacterial leaf blight is one of the most serious diseases of irrigated and rainfed lowland rice in Asia and…
Virus diseases
Rice tungro diseaseRice tungro bacilliform virus and rice tungro spherical virusVirus disease · Tungro is the most destructive virus disease of rice in South and Southeast Asia. Infected plants are…
Weeds
Barnyard grassEchinochloa crus-galliWeed · Barnyard grass is the most damaging weed of rice in the world and a serious weed of maize, soybean, cotton…
Parasitic plants
Striga (purple witchweed)Striga hermonthicaParasitic plant · Striga is a parasitic weed that attaches to the roots of sorghum, maize, millet and upland rice and steals…
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