Author(s):

Sandhya Bhat, RL Lal, KK Misra and DK Singh

Abstract: Litchi (Litchi chinensis Sonn.) is an important subtropical fruit crop of India. It is known as queen of the fruit due to its attractive deep pink/red colour and fragrant aril. It has high nutritive value and suitable for geotropic weak persons. There is a great demand for fresh litchi in the domestic markets as well as international market. In India unless the country makes a rapid swing towards organic farming, the cost in terms of environmental degradation and health hazards caused by the agricultural chemicals could sharply increase. The influence of organic manures/biofertilizers has been well recognized in many fruit crops; while such studies are scantily available in litchi. So keeping the necessity of new age farming system in mind and keeping in view of the above limitations, an investigation was carried out at Horticultural Research Centre, Patharchatta, G.B. Pant University of Agriculture and Technology, Pantnagar to study the response of organic formulations on fruiting and yield of litchi cv. Rose Scented. The treatments consisting of different organic formulations with different doses viz., FYM, Vermicompost, Cow urine, Vermiwash, Nutrisol along with chemical control and absolute control. Different treatments involving the use of organic formulations had a significant effect on post-harvest quality. Trees applied with FYM (100 kg/tree) + Vermicompost (50 kg/tree) + 10% Cow urine/tree + 10% Vermiwash/tree + Nutrisol 2.5 ml/l resulted in maximum fruit set, fruit retention, fruit yield, minimum fruit drop and fruit cracking.

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