Book of Extended summaries ISDA
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Book of Extended summaries ISDA

Book of Extended summaries ISDA Book of Extended summaries ISDA

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International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad during kharif season of 2018, 2019 and 2020. The field experiment was laid out in split plot design and replicated thrice. Treatment consisted of twenty treatment combinations comprising four crop geometry in main plot and five foliar applications of plant growth regulators in sub plot. Sowing was done on 26 th June 2018, 28 th June 2019 and 29 th June 2020 during first, second and third year of experimentation, respectively. The recommended dose of NPK and plant protection schedule was followed. Periodical observations of growth and yield contributing characters of pigeonpea along with the yield data were recorded and statistically analyzed to evaluate the effect of different treatments. The fertility co-efficient of pigeonpea was arrived from relationship between the number of flowers produced per plant and the numberof pods produced per plant and the results were expressed in terms of percentage (Sumathi et al. 2016). Results: The data from tables revealed that, crop geometry and foliar application of plant growth regulators significantly influenced the growth, yield and economics of pigeonpea. Crop geometry of 120cmx20cm and 75-150cmx20cm recorded higher values of growth and yield parameters per plant, followed by crop geometry of 60-120cmx20cm.Maximum seed yield was recorded with the interaction of crop geometry 60-120cmx20cm (S3) with foliar application of Brassinosteroids @ 0.1 ppm which was at par with interaction of crop geometry 60-120cmx20cm with foliar application of NAA @ 40 ppm and interaction of crop geometry 90cmx20cm with foliar application of Brassinosteroids @ 0.1 ppm . These results agree with findings reported by Kashyap et al., (2002), Ramesh and Ramprasad (2013), Sumathi et al. (2016). The highest net realization was recorded with the interaction of crop geometry 60-120cmx20cm with foliar application of Brassinosteroids @ 0.1 ppm and interaction of crop geometry 90cmx20cm with foliar application of Brassinosteroids @ 0.1 ppm, interaction of crop geometry 60-120cmx20cm with foliar application NAA @ 40 ppm and with interaction of crop geometry 90cmx20cm with foliar application of NAA @ 40 ppm. Conclusion Based on the three years findings of present investigation, it is concluded that crop geometry of 60-120cmx20cm and 90cmx20cm for pigeonpea were found to be productive, profitable and remunerative as compared to crop geometries. While among the different plant growth regulators, foliar application of Brassinosteroids @ 0.1 ppm (02 sprays at bud initiation and flowering) was found to be beneficial in improving yield parameters, seed yield, net returns and also the fertility co-efficient of pigeonpea, as compared to other plant growth regulators. References 176 | Page Ecosystem based approaches for climate change adaptation, ecosystem services, integrated farming system models, Land degradation neutrality

International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad Kashyap, T. L., Shrivastava, G. K., Lakpale, R. and Chaubey, N. K. 2002. Productivity potential of pigeonpea (Cajanuscajan L. Mill sp.) genotypes in response to growth regulators under Vertisols of Chhatisgarh plains. Ann. Agric. Res. 24(2): 449-452. Ramesh, R. and Ramprasad, E. 2013. Effect of Plant growth regulators on morphological, physiological and biochemical parameters of soybean (Glycine max (L.) Merrill.) Helix. 6:441-447. Sumathi, A., Babu Rajendra Prasad, V. and Mallika Vanangamudi. 2016. Influence of plant growth regulators on yield and yield components in pigeonpea. Legume Res. LR- 3637 [1-7] Mean seed yield (kg ha -1 ) of pigeonpea as influenced by different treatments during 2018, 2019, 2020 & pooled mean. Main Plot: Crop geometry Treatments Seed yield (kg ha -1 ) 2018 2019 2020 Pooled S 1: 90 cm X20cm 1466 1782 1480 1573 S 2 :120 cm x20cm 1239 1572 1284 1365 S 3: 60-120 cm x20cm 1661 1982 1546 1729 S4: 75-150 cm x20cm 1281 1361 1313 1318 S.E.(m)+ 57.52 72.37 39.6 50.9 C.D. at 5% 199.02 254.74 137.1 176.0 Sub Plot (Plant Growth regulators) (02 sprays at bud initiation and flowering) G 1: NAA @ 40 ppm 1630 1847 1537 1671 G 2: Mepiquat chloride @ 50 g a.iha -1 1384 1596 1360 1447 G 3: Brassinosteroids @ 0.1 % 1742 2018 1576 1778 G 4: Chlormequat Chloride @ 75 g a.iha -1 1212 1583 1334 1376 G 5: Control 1089 1328 1210 1209 S.E.(m)+ 34.97 79.55 46.0 33.0 C.D. at 5% 96.78 220.18 132.6 95.1 S X F Interaction S.E.(m)+ 69.94 159.12 92.02 74.85 C.D. at 5% 193.56 440.36 254.68 207.16 General Mean 1412 1674 1403 1496 Ecosystem based approaches for climate change adaptation, ecosystem services, integrated farming system models, Land degradation neutrality 177 | Page

International Conference on Reimagining Rainfed Agro-ecosystems: Challenges &<br />

Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad<br />

Kashyap, T. L., Shrivastava, G. K., Lakpale, R. and Chaubey, N. K. 2002. Productivity<br />

potential <strong>of</strong> pigeonpea (Cajanuscajan L. Mill sp.) genotypes in response to growth<br />

regulators under Vertisols <strong>of</strong> Chhatisgarh plains. Ann. Agric. Res. 24(2): 449-452.<br />

Ramesh, R. and Ramprasad, E. 2013. Effect <strong>of</strong> Plant growth regulators on morphological,<br />

physiological and biochemical parameters <strong>of</strong> soybean (Glycine max (L.) Merrill.)<br />

Helix. 6:441-447.<br />

Sumathi, A., Babu Rajendra Prasad, V. and Mallika Vanangamudi. 2016. Influence <strong>of</strong> plant<br />

growth regulators on yield and yield components in pigeonpea. Legume Res. LR-<br />

3637 [1-7]<br />

Mean seed yield (kg ha -1 ) <strong>of</strong> pigeonpea as influenced by different treatments during<br />

2018, 2019, 2020 & pooled mean.<br />

Main Plot: Crop geometry<br />

Treatments Seed yield (kg ha -1 )<br />

2018 2019 2020 Pooled<br />

S 1: 90 cm X20cm 1466 1782 1480 1573<br />

S 2 :120 cm x20cm 1239 1572 1284 1365<br />

S 3: 60-120 cm x20cm 1661 1982 1546 1729<br />

S4: 75-150 cm x20cm 1281 1361 1313 1318<br />

S.E.(m)+ 57.52 72.37 39.6 50.9<br />

C.D. at 5% 199.02 254.74 137.1 176.0<br />

Sub Plot (Plant Growth regulators) (02 sprays at bud initiation and flowering)<br />

G 1: NAA @ 40 ppm 1630 1847 1537 1671<br />

G 2: Mepiquat chloride @ 50 g a.iha -1 1384 1596 1360 1447<br />

G 3: Brassinosteroids @ 0.1 % 1742 2018 1576 1778<br />

G 4: Chlormequat Chloride @ 75 g a.iha -1 1212 1583 1334 1376<br />

G 5: Control 1089 1328 1210 1209<br />

S.E.(m)+ 34.97 79.55 46.0 33.0<br />

C.D. at 5% 96.78 220.18 132.6 95.1<br />

S X F Interaction<br />

S.E.(m)+ 69.94 159.12 92.02 74.85<br />

C.D. at 5% 193.56 440.36 254.68 207.16<br />

General Mean 1412 1674 1403 1496<br />

Ecosystem based approaches for climate change adaptation, ecosystem services, integrated farming system<br />

models, Land degradation neutrality<br />

177 | Page

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