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- Title
Effect of Different Levels of Naphthalene Acetic Acid at Various Phenological Stages of Hybrid Sorghum to Enhance Fodder Productivity.
- Authors
Hussain, Iqtidar; Ali, Muzafar; Bakhsh, Imam; Malik, Muhammad Waqas Imam
- Abstract
Goal of the study was to examine optimum level of Naphthalene Acetic Acid (NAA) as foliar application at various growth stages to increase the fodder productivity of hybrid sorghum. A field trial was carried out in RCBD having 3-replications with split-plot arrangement at Agriculture Research Farm, Faculty of Agriculture, Gomal University, Dera Ismail Khan, KP during 2017. Sorghum hybrid cv. "Jumbo+" was used as tested plant material. Four levels of NAA (40, 80, 120 and 160 ml ha-1) were kept in main plots, while three crop growth stages (seedling, tillering and booting) of sorghum were kept in sub-plots. The crop was sown in month of July, while a seed rate of 25 kg ha-1 was used with manual drill. The crop received irrigation at interval of 15 days whilst fertilizer was applied @ 120-90-60 kg NPK ha-1. Results revealed that levels of NAA affected significantly all parameters under study. Maximum number of leaves (16.70 plant-1), leaf area (411.98 cm2), chlorophyll contents (46.84 and 53.50 µg cm-2) at 30 and 60 DAS and fodder yield (35550 kg ha-1) were higher with L4 (120 ml) followed by L3 (80 ml). While L5 (160 ml) and L2 (40 ml ha-1 NAA) were statistically at par. Mean values indicated that NAA level of L4 (120 ml ha-1) had maximum fodder yield (35,550 kg ha-1) as compared to control (13,024 kg ha-1). The results indicated that interaction between 120 ml NAA ha-1) at booting stage showed best results for productivity of fodder hybrid sorghum under agro-climatic condition of Dera Ismail Khan.
- Subjects
SORGHUM; ACETIC acid; FODDER crops; ANIMAL feeds; SORGHUM farming; NAPHTHALENE; AGRICULTURAL research; CROP growth
- Publication
Pakistan Journal of Agricultural Research, 2021, Vol 34, Issue 1, p121
- ISSN
0251-0480
- Publication type
Article
- DOI
10.17582/journal.pjar/2021/34.1.121.127