Artificial application of water to the effective root zone of crops on the appropriate time gives significant results on plant growth and fruit yield in mango. In order to understand the effects of soil moisture content in mango, trial was conducted under the experimental area of BAU, Sabour, Bhagalpur during 2020-21 using five treatments i.e. T1-[Control], T2-[Water requirement at 25% of EP], T3-[Water requirement at 50% of EP], T4-[Water requirement at 75% of EP], T5-[Water requirement at 100% of EP] in a randomized complete block design (RCBD) with four replications. Treatment T4-[Water requirement at 75% of EP]significantly performed better in respect of increase in plant height of 0.24 m, number of 695.00 fruits per plant and yield of 193.23 kg per plant ( 19.32 t/ha). The maximum increase in plant spread such as East-West and North-South direction were 0.25m and 0.23m, respectively, and the maximum canopy volume of 1195.99 m3 was recorded in treatment T5-[Water requirement at 100% of EP].Treatment T3-[Water requirement at 50% of EP] significantly performed better in fruit size (fruit length and fruit breadth of 10.00 cm and 8.20 cm, respectively) and also showed maximum fruit volume of 239.75 (cc). On the basis of findings, it may be concluded that frequent and appropriate application of water at the effective root zone of plant plays an important role in growth and yield of mango.
An experiment was conducted on 15 coloured mango cultivars at Bihar Agricultural University, Sabour, Bihar during the year 2020-2021 to identify suitable coloured mango cultivars for Bihar conditions. Arunika and Kingphon were found early in panicle emergence and anthesis while much delayed panicle emergence and anthesis were observed in Sabri. The maximum length of the panicle was measured in Kingphon (43.22 cm) whereas; the minimum was in Sabri (17.76 cm). The minimum flowering duration was recorded in Kent (9.20 days) with statistically at par value in Sensation, Osteen and Sabri. While the longest flowering duration was observed in Arunika (22 days). Maya was topped (86.50 %) in the list for the flowering intensity which was found statistically at par with Kensington (72.50 %). Maximum number of fruit set per panicle was counted in Tommy Atkins (21.10) which was statistically at par with Sensation (20.60). Early fruit maturity and the highest number of fruits per plant at the maturity stage were found in Pusa Pratibha. The highest fruit weight, volume, pulp percentages and pulp/stone ratio were observed in Osteen (505.71g, 500.05 ml, 73.40% and 6.98 respectively) followed by Lily. Pusa Pitambar yielded the highest number of fruits per m3 canopy volume (2.34) with statistically at par results in Kent (1.77). The maximum TSS/Acid blend was assessed in Sensation (99.25). The total sugar content (16.48%) was found in Pusa Pratibha which was statistically at par with Pusa Surya (15.90%) and Sabri (15.47%). The total carotenoid content was estimated at maximum in Pusa Pitambar (7.19 mg 100-1 g FW). In Ambika, the highest ascorbic acid was estimated (55.00 mg 100-1 g pulp). The cultivars like Pusa Shrestha, Pusa Pratibha, Pusa Surya, Lily, Ambika and Arunika had shown delightful colour with higher yields, especially in Pusa Pitambar.
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