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PWD Control

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PWD Control Id 21
Crop ID Niger Seed
Pwd Name Cercospora leaf spot
Pwd Type Disease
Causal Agent Cercospora guizoticola
Symptoms Disease appears as small straw to brown coloured spots with grey centre on ... more
Disease appears as small straw to brown coloured spots with grey centre on the leaves, spots may coalesce causing defoliation. Later the spots increase in number and size and cover the entire lamina and the leaves start dropping off. Elongated dark brown spotsare produced on the stem. The capsules are also affected.
Control Seed treatment with two foliar sprays of Carbendazim 50WP (0.2%) + Mancozeb... more
Seed treatment with two foliar sprays of Carbendazim 50WP (0.2%) + Mancozeb (0.1%) can manage the disease.
Notes NULL
Metadata Id 8,629
PWD Control Id 22
Crop ID Niger Seed
Pwd Name Alternaria leaf spot/blight
Pwd Type Disease
Causal Agent Alternaria sp.
Symptoms The disease appears as concentric rings on the leaves, which turns brown wi... more
The disease appears as concentric rings on the leaves, which turns brown with grey centre later on. As the disease advances, the spots become oval or circular and irregular in shape. The infected leaves become dry and lead to the defoliation. Further it, spreads to other plant parts and results in to premature drying of the plant.
Control Use of resistant varieties.
Notes NULL
Metadata Id 8,629
PWD Control Id 23
Crop ID Niger Seed
Pwd Name Curvularia leaf spot
Pwd Type Disease
Causal Agent Curvularia lunata
Symptoms Small circular to irregular brown to reddish brown spots which later coales... more
Small circular to irregular brown to reddish brown spots which later coalesce to form larger spots. The leaf turn yellow dries and defoliates.
Control NULL
Notes NULL
Metadata Id 8,629
PWD Control Id 24
Crop ID Niger Seed
Pwd Name Powdery mildew
Pwd Type Disease
Causal Agent Sphaerotheca spp.
Symptoms The diseased leaves turn yellow and drop off. The seed formed on diseased p... more
The diseased leaves turn yellow and drop off. The seed formed on diseased plants are small and shriveled.
Control The disease can be managed by burning the infected plant parts after the ha... more
The disease can be managed by burning the infected plant parts after the harvesting of the crop. The disease can also be effectively controlled by spraying with sulfex.
Notes NULL
Metadata Id 8,629
PWD Control Id 25
Crop ID Niger Seed
Pwd Name Rust
Pwd Type Disease
Causal Agent Puccinia guizotiae
Symptoms Brown pustules diameter appear on the leaves. The lesions consist of dense... more
Brown pustules diameter appear on the leaves. The lesions consist of densely aggregated brown telio. The uredosori are formed on the lower leaf surface and the corresponding upper surface becomes chlorotic. Later teliospores are formed.
Control The disease can be managed by spraying crop with Dithane M- 45 as the disea... more
The disease can be managed by spraying crop with Dithane M- 45 as the disease starts appearing.
Notes NULL
Metadata Id 8,629
PWD Control Id 26
Crop ID Niger Seed
Pwd Name Bacterial leaf spot
Pwd Type Disease
Causal Agent Xanthomonas campestris pv. guizotiae
Symptoms Small brownish spots are formed on leaves which are surrounded by yellow ha... more
Small brownish spots are formed on leaves which are surrounded by yellow halo.
Control The disease can be managed by spraying the crop with Blitox-50.
Notes NULL
Metadata Id 8,629
PWD Control Id 27
Crop ID Niger Seed
Pwd Name Weed dodder (Cuscuta hyalina)
Pwd Type Weed
Causal Agent NULL
Symptoms The plants remain stunted, pale yellow and bear a very small number of flow... more
The plants remain stunted, pale yellow and bear a very small number of flowers and fruits.
Control The Cuscuta seeds can be removed by sieving before sowing. Removal of cuscu... more
The Cuscuta seeds can be removed by sieving before sowing. Removal of cuscuta infected Niger seed at the early crop growth.
Notes NULL
Metadata Id 8,629
PWD Control Id 28
Crop ID Chinese Spinach
Pwd Name Stemrot
Pwd Type Disease
Causal Agent Choanephora cucurbitarum
Symptoms NULL
Control A wider spacing may reduce the rate of infection.
Notes NULL
Metadata Id 8,631
PWD Control Id 29
Crop ID Chinese Spinach
Pwd Name Damping-off
Pwd Type Disease
Causal Agent Pythium and Rhizoctonia
Symptoms NULL
Control It is controlled by good drainage. Over-dense sowing should be avoided.
Notes NULL
Metadata Id 8,631
PWD Control Id 30
Crop ID Chinese Spinach
Pwd Name White rust
Pwd Type Disease
Causal Agent Albugo bliti
Symptoms NULL
Control NULL
Notes NULL
Metadata Id 8,631
PWD Control Id 31
Crop ID Chinese Spinach
Pwd Name Leaf and stem blight
Pwd Type Disease
Causal Agent Phomopsis amaranthophila
Symptoms NULL
Control NULL
Notes NULL
Metadata Id 8,631
PWD Control Id 32
Crop ID Chinese Spinach
Pwd Name Caterpillars (Hymenia recurvalis, Spodoptera litura, Heliothis armigera)
Pwd Type Pest
Causal Agent NULL
Symptoms NULL
Control NULL
Notes NULL
Metadata Id 8,631
PWD Control Id 33
Crop ID Chinese Spinach
Pwd Name Larvae of the stem borer (Lixus truncatulus)
Pwd Type Pest
Causal Agent NULL
Symptoms NULL
Control NULL
Notes NULL
Metadata Id 8,631
PWD Control Id 34
Crop ID Jicama Yam Bean
Pwd Name Mosaic virus
Pwd Type Disease
Causal Agent Aphids (Aphis spp.) or mealy bugs (Ferrisia virgata) and possibly by seed.
Symptoms It results in smaller-sized tubers (yield reductions of 20-30%), discoloure... more
It results in smaller-sized tubers (yield reductions of 20-30%), discoloured leaves and brittle stems.
Control NULL
Notes NULL
Metadata Id 8,632
PWD Control Id 35
Crop ID Jicama Yam Bean
Pwd Name Witches' broom disease
Pwd Type Disease
Causal Agent Contamination originating in the indigenous flora.
Symptoms NULL
Control NULL
Notes NULL
Metadata Id 8,632
PWD Control Id 36
Crop ID Teff
Pwd Name Leaf rust
Pwd Type Disease
Causal Agent Uromyces eragrostidis
Symptoms NULL
Control Fungicides that control these two diseases have been identified at experime... more
Fungicides that control these two diseases have been identified at experimental level, although there are no known cases of field applications.
Notes NULL
Metadata Id 8,628
PWD Control Id 37
Crop ID Jicama Yam Bean
Pwd Name Rose beetle (Adoretus versutus)
Pwd Type Pest
Causal Agent NULL
Symptoms NULL
Control NULL
Notes NULL
Metadata Id 8,632
PWD Control Id 38
Crop ID Teff
Pwd Name Head smudge
Pwd Type Disease
Causal Agent Helminthosporium miyakei
Symptoms NULL
Control Fungicides that control these two diseases have been identified at experime... more
Fungicides that control these two diseases have been identified at experimental level, although there are no known cases of field applications.
Notes NULL
Metadata Id 8,628
PWD Control Id 39
Crop ID Jicama Yam Bean
Pwd Name Bruchids (Bruchus spp.)
Pwd Type Pest
Causal Agent NULL
Symptoms NULL
Control NULL
Notes NULL
Metadata Id 8,632
PWD Control Id 40
Crop ID Teff
Pwd Name Damping off
Pwd Type Disease
Causal Agent Drechslera spp. and Epicoccum nigrum
Symptoms NULL
Control Fungicides that control these two diseases have been identified at experime... more
Fungicides that control these two diseases have been identified at experimental level, although there are no known cases of field applications.
Notes NULL
Metadata Id 8,628

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