Rust (Puccinia sorghi), the symptoms are patches of brown to orange blotches on the upper leaf surface. This disease usually attacks the corn grown in the tropics to temperate. The disease is developing well in 16-23oC temperature with high humidity. Can be controlled by the selection of seed varieties, maintaining field sanitation and application of biopesticides if boils appear on the leaf surface.
Leaf blight (Helminthosporium turcicum), this disease attacks the leaves of the early symptoms of patches of small oval which evolved into blight grayish brown. Usually the attacks are found on older leaves (bottom) and then spread to younger leaves (above). In severe circumstances can menyababkan death in plants with the appearance of dry leaves burning. To control it using resistant varieties, good tillage, weeding and planting spacing. In the cultivation of non-organic sweet corn can be applied fungicides.
Leaf blight (Curvularia sp.), This fungus causes leaf blight with early symptoms of irregular blotches on leaf tips, central whitish brown spots with dark brown fringe. Spotting extends to the base of the leaf to make the entire leaf dries. The disease is rapidly spreading in conditions of high humidity and rainfall. Control by selecting resistant varieties, improved soil drainage, improving sanitation and eliminate garden plants or parts of plants affected.
Sheath blight (Rhizoctonia solani), symptoms of rot on the stem. Originally attack on the part of the plant that is closest to the ground and then spread to other parts. In certain varieties of attack up to a bida cob pieces. Control by regulating RajaMerah.com Situs Judi Poker Online Terbaik Terpercaya the cultivation of sweet corn to drought, plant varieties which have the distance from the ground high enough cobs, leaves merompes contact with the soil, weed the garden, cut the plants attacked and apply crop rotation.
Leaf blight (Helminthosporium turcicum), this disease attacks the leaves of the early symptoms of patches of small oval which evolved into blight grayish brown. Usually the attacks are found on older leaves (bottom) and then spread to younger leaves (above). In severe circumstances can menyababkan death in plants with the appearance of dry leaves burning. To control it using resistant varieties, good tillage, weeding and planting spacing. In the cultivation of non-organic sweet corn can be applied fungicides.
Leaf blight (Curvularia sp.), This fungus causes leaf blight with early symptoms of irregular blotches on leaf tips, central whitish brown spots with dark brown fringe. Spotting extends to the base of the leaf to make the entire leaf dries. The disease is rapidly spreading in conditions of high humidity and rainfall. Control by selecting resistant varieties, improved soil drainage, improving sanitation and eliminate garden plants or parts of plants affected.
Sheath blight (Rhizoctonia solani), symptoms of rot on the stem. Originally attack on the part of the plant that is closest to the ground and then spread to other parts. In certain varieties of attack up to a bida cob pieces. Control by regulating RajaMerah.com Situs Judi Poker Online Terbaik Terpercaya the cultivation of sweet corn to drought, plant varieties which have the distance from the ground high enough cobs, leaves merompes contact with the soil, weed the garden, cut the plants attacked and apply crop rotation.
