EFFECT OF FOLIAR APPLICATION OF MICRONUTRIENTS AND GROWTH REGULATORS ON THE GROWTH, YIELD AND QUALITY PARAMETERS OF CABBAGE IN A VERTISOL OF CHHATTISGARH
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Date
2021
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Indira Gandhi Krishi Vishwavidyalaya, Raipur (C.G.)
Abstract
Micronutrient and growth regulators both play important role in sustaining agricultural production under intensive cultivation and changing scenario of climate. Therefore, study was conducted to find out the effect of foliar application of micronutrients and growth regulators on growth, yield quality and nutrient uptake by cabbage in a Vertisol. The present investigation was carried out during Rabi Season of the years 2016-17 and 2017-18 at Instructional Farm, IGKV Raipur (C.G.) with eighteen different combinations of foliar application of micronutrient (B + Mo + Fe + Zn) and growth regulators (GA3 + NAA) with different micronutrient omission treatments. The experiment was laid out in randomized block design consisting micronutrients (Fe, Mn, Cu, Zn, B - 100 ppm and Mo – 50 ppm), with growth regulators (GA3 – 50 ppm and NAA - 80 ppm) applied twice as foliar application at 20 and 40 DAT. The present study demonstrates that combined effects of foliar application of micronutrient with growth regulators T18 (B + Mo + Fe + Zn + GA + NAA) recorded maximum plant height (27.60 cm), plant spread (62.88 cm2), head diameter (16.17 cm2), leaf yield (22 q ha-1), head yield (455 q ha-1), chlorophyll content (0.48 mg/g of fresh wt.), protein content (0.84 %) and macro and micro nutrient uptake by cabbage. However, the micronutrients omission i.e. Fe, Mn, Cu, Zn, B and Mo was found to be significantly reduces the plant height, plant spread, leaf and head yield, protein and chlorophyll content and nutrient uptake of cabbage. Large reductions in the yield of cabbage were observed with the omission of B (T9) as compared to the other micronutrient omission treatments. The yield reductions were more pronounced with B omission. This indicates that B (T9) was the most yield limiting micronutrients followed by Fe (T4), Zn (T5) and Cu (T7). However, the foliar application of micronutrient enhances the plant height, head diameter, leaf and head yield, quality content and nutrient uptake of cabbage. Similarly, the foliar application of growth regulators (GA3 and NAA) may also significantly improve the growth, yield and quality of cabbage. The combined effects of foliar application of micronutrient (100 ppm) with GA3 (50 ppm) and NAA (80 ppm) twice at 20 and 40 DAT was found to be most effective for significant increased in growth, yield, quality and nutrient uptake of cabbage. The work recommended that foliar fertigation of micronutrient (B + Mo + Fe + Zn) with growth regulators (GA + NAA) can enhance the quality and yield performance of cabbage.
Description
EFFECT OF FOLIAR APPLICATION OF MICRONUTRIENTS AND GROWTH REGULATORS ON THE GROWTH, YIELD AND QUALITY PARAMETERS OF CABBAGE IN A VERTISOL OF CHHATTISGARH