Home
Class 11
BIOLOGY
Gibberellins were first discovered in ja...

Gibberellins were first discovered in japan when rice plants were suffering from bakeane (the foolish seedling disease) caused by a fungus Gibberella fujikuroi .
(a) Give two functions of this phytohormone
(b) which property of gibberellin caused foolish seedling disease in rice ?

Text Solution

Verified by Experts

(a) The homone, gibberellin
(i) produce the phenomenon of bolting ui.e the growth of the internodal region of stem in rosette plants
(ii) Induces seed germination and break bud and seed dormancy
(b) The rice seediling/plant show excessive growth in their internaodal redion when get infected with fungus Gibberella fujkuroi .This fungus produces excessive amount of plant hormone GA which makes plants taller lthan the normal plant foolishy and many result in to death of the plant
Promotional Banner

Topper's Solved these Questions

  • PLANT GROWTH AND DEVELOPMENT

    NCERT EXEMPLAR|Exercise Short Answer Type Question|20 Videos
  • PLANT GROWTH AND DEVELOPMENT

    NCERT EXEMPLAR|Exercise Long Answer Type Question|3 Videos
  • PLANT GROWTH AND DEVELOPMENT

    NCERT EXEMPLAR|Exercise Long Answer Type Question|3 Videos
  • PHOTOSYNTHESIS IN HIGHER PLANTS

    NCERT EXEMPLAR|Exercise Long Answer type Question|13 Videos
  • PLANT KINGDOM

    NCERT EXEMPLAR|Exercise LONG ANSWER TYPE QUSTIONS|5 Videos

Similar Questions

Explore conceptually related problems

'Bakane disease of rice seedlings' was caused by Gibberefla fujikuroi' Which is

The bakane (foolish seedling), a disease of rice seedlings was caused by a fungal pathogen____

The hormone which was discovered through ' foolish seedling ' disease of rice is Or Bakane disease in paddy is caused by

(a) Give four biological functions of proteins. (b) Name two diseases which are caused by the deficiency of vitamins.

In 1920s, the Japanese biologist Kurosawa and his colleagues discovered the foolish-seedling disease , in which rice plants grew too tall, mainly because of

Write the name of ____ a) First hormone discovered in plants. b) Biological name of fungus from which Gibberellins were first isolated. c) The name given to the first cytokinin by Skoog and Miller.

Identify the correct statements among the following. I. Kurosawa found symptoms of "Bakanae" disease on rice seedlings when they were treated with sterile filtrates of Gibberella fujikuroi. II. The discovery of each of the five major groups of PGR has been accidental. III. Cousins confirmed the release of a volatile substance from ripened oranges that hastened the ripening of stored unripened bananas. IV. F.W Went isolated auxins form coleoptile tips of Avena grass