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- Title
ESTIMATION OF GENETIC DIVERSITY OF PEA GERMPLASM AGAINST POWDERY MILDEW (ERYSIPHE PISI) DISEASE AND ITS CHEMOSYNTHETIC MANAGEMENT.
- Authors
Rehman, Abdul; Mehboob, Saira; Sohail, Muhammad; Gondal, Amjad S.; Idrees, Mohammad; Ali, Haider
- Abstract
Present study was conducted to find out the resistant source against powdery mildew (Erysiphe pisi DC.) of pea (Pisum sativum L.) and the efficacy of some new fungicides against the disease. Ten advanced lines/varieties of pea were sown in field. Data was recorded on percent mean disease severity. Advanced lines 018337, 019309, 026721, 018398 and 018395 with a value of mean disease severity 6.71%, 7.59%, 7.12%, 8.64%, 9.21%, respectively, were found moderately resistant against powdery mildew of pea. Advanced lines 026700 (14.34% mean disease severity), 026703 (16.24% mean disease severity), and 026719 (16.26% mean disease severity) gave the moderately susceptible response and PF-400 (36.94% mean disease severity) was found susceptible. Cultivar Meteor (52.34% mean disease severity) found to be highly susceptible to powdery mildew disease. All fungicide treatments significantly reduced the disease over control. Considering percent disease severity, grain yield and yield contributing characters (number of leaves per plant, plant height, number of flowers per plant, pod length, number of grains per pod, weight of grains per 50 pods, weight of peels per 50 pods), Topas 100 EC (Penconazole) significantly (P≤0.05) performed better followed by Kumulus DF (Sulphur 80%) and copper oxychloride as compared to control.
- Subjects
PEA genetics; CROP germplasm; PLANT germplasm; PLANT genetics; DISEASE management; CHEMOSYNTHESIS (Biochemistry)
- Publication
Pakistan Journal of Phytopathology, 2014, Vol 26, Issue 2, p309
- ISSN
1019-763X
- Publication type
Article