Question

Identify four recommended approaches to how agriculturalists can control the presence of seed-borne pathogens.

Answer 1

Seed-borne pathogens results in seedling decay, abnormalities, discoloration, reduced seed size and also shrivelledness of seeds.The seed-borne pathogens not only affect the market value but also nutritive value of the seeds

The seed borne pathogens may result

(i) Loss in germination

(ii) Discoloration and shriveling

(iii) Development of plant diseases

(iv) Distribution of pathogen to new areas

(v) Introduction of new strains or physiologic races of the pathogen along with new germplasm from other countries

(vi) Toxin production in infected seed etc.

AN INTEGRAL APPROACH

A) Seed selection

B) Plant Quarantine

C) Seed treatments

E) Cultural practices.

F) Cultivation of resistant varieties

SEED TREATMENTS FOR DISEASE MANAGEMENT

Physical seed treatments

Chemical treatments

Biological seed treatments

Thank You!