Abstract

A study was conducted at Nsukka, Nigeria to determine the effects of cutting height and N fertilizer application on the growth and tiller production of Panicum maximum pasture. The experiment was a 3 × 3 factorial laid out in a randomized complete block design with three replications. Treatments comprised three cutting height (5, 10 and 15 cm) and three levels of nitrogen (0, 200 and 400 kg N ha-1) resulting in nine treatment combinations per block. Plant height was significantly (P < 0.05) increased by 34 and 56% in 2008 and 2009, respectively, when cutting height increased from 5 to 15 cm. Grass tiller number per square metre varied inconsistently among the cutting heights at different harvest periods in both years. Grass height remained statistically similar among the nitrogen rates in both years but increased significantly (P < 0.05) with fertilizer N application compared with the control at some periods in both years. Grass tiller number obtained in 2008 from plots cut at 10 cm stubble height with 400 kg N ha-1 was significantly (P < 0.05) higher than those cut at 5 cm with zero N application. Cutting height × fertilizer-N interaction effect on plant height was significant (P < 0.05) in all the periods in both years.   Key words: Grass height, stubble height, tiller population, fertilizer N.

Highlights

  • Mango (Mangifera indica), the king of fruits is grown in tropical and sub-tropical regions of India

  • It has very short life at ambient temperature and high post-harvest losses. By keeping it in view, an experiment was planned to study the effect of putrescine on storage life and quality of mango fruits cv

  • Results revealed that fruits treated with putrescine at 2.0 mmol/L retained the best quality in terms of high palatability rating, good blend of Total soluble solids (TSS) and acidity and low physiological loss in weight and spoilage percentage

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Summary

Full Length Research Paper

Mango is a perishable fruit and its ripening period coincides with the summer months under North Indian conditions. It has very short life at ambient temperature and high post-harvest losses. By keeping it in view, an experiment was planned to study the effect of putrescine on storage life and quality of mango fruits cv. Matured and uniform fruits of mango were treated with putrescine (0.0, 1.0, 2.0 and 3.0 mmol/L). Results revealed that fruits treated with putrescine at 2.0 mmol/L retained the best quality in terms of high palatability rating, good blend of Total soluble solids (TSS) and acidity and low physiological loss in weight and spoilage percentage

INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
Storage interval
Full Text
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