Sher-e-Bangla Agricultural University

Principles of Plant Pathology and diseases of field crops


Plant Disease management

Diseases of crop

Effective management component (s)

  1. Wilt complex of Tomato
  2. Wilt complex of Eggplant

          (Fusarium and nemic wilt)

 

  1. Soil amendment with Sawdust
  2. Trichoderma harzianum T22
  3. Grafting with wild Solanum(Solanum sisymbriifolium)
  1. Chemical – Furadan 5G @ 1kg ai./ha/(Ahmmed, 2006; Hossain, 2006)

Scab of citrus

 

  1. Plant extract- Bishkatali
  2. Chemical - Champion 77 WP(Alam, 2006)

Die back of citrus

 

  1. Plant extract – Neem extract
  2. Chemical – Dithane M - 45(Alam, 2006)

Ufra of Rice

 

Furadan 5G / Brifer 5G @ 1kg ai./ha during transplanting

(Ullah, 2006)

Leaf blight of wheat

 

Plant extract - Bishkatali (Polygonum hydropiper)(1:2 w/v)

                     - Garlic clove extract (1:2 w/v)

  1. Hot water seed treatment (52O C for 5 min.)

iii. Chemicals – Vitavax 200 @ 0.3%

                               (for seed treatment)

  1. Tilt 250 EC @ 0.3% (for foliar spray)

   (Zamal, 2006; Zobaer, 2006; Islam, 2006; Kabir, 2006)

Purple blotch complex of onion by chemicals

  1. Dithane M-45 (0.45%)
  2. Rovral (0.2%)(Uddin, 2005)

Phomopsis blight and fruit rot of eggplant

  1. a) Plant extract – Garlic bulb and  

                        - Alamanda leaf extract

  1. b) Bavistin (0.1%)(Islam, 2005)

Root knot of Banana

  1. a) Poultry refuse combined with Furadan 5G(Sadat, 2006)

Collar rot of chickpea

(Sclerotium rolfsii)

 

a)Bio-agent: Trichoderma viride

                   Trichoderma harzianum

  1. b) Chemicals: Vitavax 200
  2. c) Cultural :

     -Mustard oil cake @ 3 ton/ha

     -Poultry manure @ 5 ton/ha.

     (Rahman, 2005)

Other areas

Findings

Detection of seed borne fungi in medicinal plants

Seven fungal species viz. Curvularia lunata, Altetnaria tenuis, Fusarium oxysporum, Aspergillus flavus Aspergillus niger, Rhizopus stolonifer and Penicillium sp. were detected that are new record in Bangladesh.(Biswas, 2006)

Detection of seed borne fungi fruit seed (black berry)

 

Seven fungal species viz. Pestalotia psidi, Curvularia lunata, Fusarium equiseti, Aspergillus flavus Aspergillus niger, Rhizopus sp. and Penicillium sp. were detected that are also new record in Bangladesh.(Jahan, 2006)

Development of seed health testing technique (wheat seed)

Earthen Dish – Khulna Newsprint paper Technique(Khan, 2005)