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An investigation was carried out at Horticultural College and Research Institute, Venkataramannagudem, West Godavari district of Andhra Pradesh during the year 2015-16 to evaluate the influence of graded levels of nitrogen and potassium on physiological growth parameters and flower yield of garland chrysanthemum. The study has revealed that significantly highest number of leaves per plant (98.00), leaf area per plant (988.00 cm 2), LAI (0.618), LAD (268.04), CGR, AGR, RGR, NAR, Chlorophylla, b and total chlorophyll content were observed by application of nitrogen at the rate of 200 kg ha-1 in combination with potassium at the rate of 150 kg ha-1 along with phosphorus as a common dose to all the treatments at the rate of 100 kg ha-1 during Rabi season. Significantly highest number of flowers per plant (28.00), flower yield per plant (36.00 g) and flower yield per hectare (25.25q) were observed by application of nitrogen at the rate of 200 kg ha-1 in combination with potassium at the rate of 150 kg ha-1 .

The investigation was carried out to study the effect of IBA at different concentrations (2000ppm, 4000ppm, 6000ppm) on cuttings of dragon fruit cultivars viz., red pulped variety and white pulped variety to elicit their rooting and shooting parameters. The cuttings of the red pulped variety performed better than the white pulped variety. Indole butyric acid (IBA) had significant effect on rooting and shooting performance of both the varieties over control. IBA @ 6000 ppm recorded minimum number of days for sprouting (43days), maximum rooting and shooting parameters like percentage of rooted cuttings (86.77%), number of roots (9.87), length of longest root (22.93cm), root fresh weight (1.83 g) and dry weight (0.58 g), length of the longest shoot (23.93cm), number of new shoots per cutting (4.00), shoot fresh weight (112.09 g), shoot dry weight (9.47 g) and survival percentage (90.26 %). The least performance was observed in the cuttings of white pulped variety for almost all parameters tested except for length of shoot.

The genus Psidium contains 150 species, most of which are fruit bearing trees. The basic chromosomal number of guava is 11. Most of the cultivars are diploid (2n=22), but some are natural and artificial triploids (2n=33), these are generally produce seedless fruits (Jaiswal and Nasim, 1992). In India, guava position in production is fifth after Banana, Mango, Citrus and Papaya (NHB, 2015). It has attained a respectable place and popularity amongst the dietary list of common people in our country owing to nutritious, deliciousness, pleasing flavour and availability for a longer period of time during the year at moderate price.It has great demand as a table fruit and as a raw material for the processing industries, leads to earn good foreign exchange (Purseglove, 1977).Guava is hardy, drought tolerant, high yield potential and diverse use of fruits also helps in developing a good ecological system in

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