1AICRP on Tropical Fruits (Citrus), Citrus Research Station, Dr. YSR Horticultural University, Tirupati, Andhra Pradesh, India
2Horticultural College & Research Institute, Dr. YSR Horticultural University, Anantharajupet-516 105, Andhra Pradesh
*email: lmukunda@gmail.com
Online published on 15 December, 2016.
The growth and root studies like length of tap root, number of secondary roots, fresh weight of the seedling and survival percentage were influenced significantly due to application of indolebutyric acid (IBA) in acid lime (Citrus aurantifolia Swingle) cv. Balaji in secondary nursery. The longest tap root (24.25 cm) was found in 250 ppm treatment followed by 1000ppm (23.35 cm) and 500ppm of IBA. At 90 days after transplanting the treatment 250ppm of IBA produced more number of secondary roots (26.51) per plant. Significantly minimum number of secondary roots was recorded under control. Similarly, maximum fresh weight (11.91g) was produced by the same treatment, which was significantly superior over control. The seedlings treated with IBA 250 ppm performed the best with highest seedling survival rate (82.5%).
Acid lime, (Citrus aurantifolia), Root regeneration, IBA, seedling survival
