What disease does Xanthomonas oryzae cause?

What disease does Xanthomonas oryzae cause?

oryzae causes bacterial blight (BB) of rice which is one of the most important diseases of rice in most of the rice growing countries.

What does Xanthomonas campestris do?

Xanthomonas campestris is a bacterium that causes a variety of plant diseases, including “black rot” in cruciferous vegetables and bacterial wilt of turfgrass.

How do you control bacterial leaf blight of rice?

How to manage

  1. Use balanced amounts of plant nutrients, especially nitrogen.
  2. Ensure good drainage of fields (in conventionally flooded crops) and nurseries.
  3. Keep fields clean.
  4. Allow fallow fields to dry in order to suppress disease agents in the soil and plant residues.

Is Xanthomonas campestris Gram positive or negative?

campestris (Xcc) is a member of the large genus Xanthomonas, which comprises 27 species of Gram-negative bacteria, most of which are plant pathogens.

Is bacterial blight of rice a seed borne disease?

Burkholderia glumae (bacterial grain rot), Xanthomonas oryzae pv. oryzae (bacterial leaf blight), and Acidovorax avenae subsp. avenae (bacterial brown stripe) are major seedborne pathogens of rice.

What causes late blight of potato?

Late blight caused by the fungus Phytophthora infestans is the most important disease of potato that can result into crop failures in a short period if appropriate control measures are not adopted.

How does Xanthomonas campestris cause black rot in cabbage?

Hydathodes (or pores) on the margin of this cabbage leaf (left) exude plant sap or guttation droplets early in the morning. These hydathodes are the most common entry method for Xanthomonas campestris pv. campstris (which causes black rot).

Is Xanthomonas campestris a fungus?

Xanthomonas campestris pathovar vesicatoria (Xcv) is a Gram-negative bacterium that causes bacterial spot disease in tomato and pepper [1].

What causes red rot of sugarcane?

Red rot disease is caused by the fungus Glomerella tucumanensis. An older name, Colletotrichum falcatum, is still preferred by some pathologists.

What are the pathovars of Xanthomonas campestris?

The two bacteria causing distinct diseases in rice were formerly named as pathovars of Xanthomonas campestris, as were most other plant-pathogenic Xanthomonas strains. The two pathovars pv. oryzae and pv. oryzicola are now classified in the species Xanthomonas oryzae ( Swings et al., 1990 ).

Is X oryzae A pathovar of X campestris?

X. oryzae pv. oryzicola was formerly classified as a pathovar of X. campestris, but the pathogens that cause bacterial leaf blight and leaf streak of rice are now placed in the species X. oryzae.

Does Xanthomonas oryzae cause leaf streak in rice CV?

Occurrence of a subpopulation of Xanthomonas oryzae pv. oryzae with virulence to rice cv. IRBB21 (Xa21) in southern India. Plant Disease, 83 (8), 781. doi: 10.1094/PDIS.1999.83.8.781B Rao PS, 1987. Across-season survival of Xanthomonas campestris pv. oryzicola, causal agent of bacterial leaf streak (BLS).

What is another name for Xanthomonas oryzae?

Name: Xanthomonas oryzae pv. oryzae (Ishiyama 1922) Swings et al. (1990) Synonyms: Xanthomonas campestris pv. oryzae (Ishiyama