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Studies on the seed germination of guava (Psidium guajava L.). I. Effect of scarification and plant growth regulator treatments


, : Studies on the seed germination of guava (Psidium guajava L.). I. Effect of scarification and plant growth regulator treatments. Progressive Horticulture 5(2): 37-40

Of 3 scarification treatments (boiling in water for 5 min, soaking in water for 14 days, or soaking in sulphuric acid for 5 min) and 6 growth substance treatments (Ethrel or IAA at 500, 1000 or 1500 p.p.m.), 500 p.p.m. ethephon resulted in 72% germination and plants with longer shoots and longer roots with more laterals than any other treatment.

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