Biological interrelations between Nephotettix Impicticeps Ishihara and some resistant and susceptible rice varieties - Ching-Huan, Cheng (University of the Philippines, Laguna College of Agriculture, 1969)
Photocopy
Thesis (Ph.D.)-College of Agriculture, University of the Philippines, 1969
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Keywords: Rice -- Disease and pest resistance; Rice -- Diseases and pests; Leaf -- hoppers; Planthopprs