Author(s):

Pooja, Ashwani Kumar, Sheena Nain and Komal

Abstract: The experiment entitled “effect of plant growth regulators and nutrients on fruit drop and yield of Kinnow mandarin” was carried out at Chaudhary Farm House, Village Malapur, Hisar during 2015-2016 to assess the effect of plant growth regulators and nutrients on fruit drop and yield of Kinnow mandarin. The treatments comprising of 2, 4-D 10, 15 and 20 ppm, GA₃ 10, 15 and 20 ppm, K₂SO₄1%, 1.5% and 2% and ZnSO₄0.25%, 0.50% and 0.75% along with control were laid out in randomized block design with three replications. The result of investigation indicates that the foliar application of 2, 4-D 20 ppm was found quite effective in increasing final fruit retention and minimizing fruit drop. Fruit weight was recorded maximum in K₂SO₄ 2% and number of fruits and yield were found maximum in treatment 2, 4-D 20 ppm.

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