scholarly journals Effect of Different Levels of Nitrogenous Fertilizer on Quality and Economics of Guava (Psidium guajava L.) Var. Sardar

2021 ◽  
Vol 10 (4) ◽  
pp. 692-706
Author(s):  
D. L. Chavan B. R. Haral ◽  
A. S. Kadam
Keyword(s):  
Psidium Guajava ◽  
Nitrogenous Fertilizer ◽  
Different Levels

scholarly journals Molecular characterization of guava (Psidium guajava L.) germplasm by RAPD analysis

1970 ◽  
Vol 1 (3) ◽  
pp. 62-67 ◽  
Author(s):  
B Ahmed ◽  
MA Mannan ◽  
SA Hossain
Keyword(s):  
Random Amplified Polymorphic Dna ◽  
Rapd Marker ◽  
Morphological Difference ◽  
Morphological Characteristics ◽  
Psidium Guajava ◽  
Neighbor Joining ◽  
Tropical Areas ◽  
Different Levels ◽  
Local Farmers

Psidium guajava L. is a perennial fruit tree in subtropical and tropical areas. In Bangladesh, P. guajava has been used as edible fruits and people use it to treat acute diarrhea, cough and intestinal spasmodic diseases. In the present study, morphological and molecular characterizations were used to display different levels of variability. Molecular marker random amplified polymorphic DNA (RAPD) was used for the molecular identification of 33 P. guajava germplasm from three selected south-western location of Bangladesh. Among them, eleven commercially cultivated germplasm and the rest twenty two were collected from local farmers. The 10-mer and 12-mer oligonucleotide primers were used in RAPD to amplify. Four primers, A02, A03, S07 and S08, were able to direct the amplification and yield a total of 252 band patterns of which 33.19% were polymorphic. The highest percent of polymorphic loci (37.5%) was observed from primer A03 and the lowest (28.57%) was from primer S08. Results were analyzed by molecular algorithm UPGMA and Neighbor-Joining. Thirty-three genotypes on the dendrogram were identified and divided into two major groups and subgroups on the basis of morphological characteristics and also on the uncultivated and commercial cultivars. The range of genetic distance was observed 0.5253 (Jelly and Thai) to 0.6631 (V30 and V 22). Based on the cluster analysis, the P. guajava samples have morphological difference were grouped independently. The results suggested that RAPD is useful for the discrimination of uncultivated, cultivars P. guajava for high economy.Key words: Guava; Germplasm; RAPD; Marker; Dendrogram.DOI: http://dx.doi.org/10.3329/ijns.v1i3.8823International Journal of Natural Sciences (2011), 1(3):62-67

scholarly journals Effects of urea and cowdung on growth and yield of carrot

2012 ◽  
Vol 10 (1) ◽  
pp. 9-13 ◽  
Author(s):  
T A Mehedi ◽  
M A Siddique ◽  
Sonia B Shahid
Keyword(s):  
Block Design ◽  
Growth And Yield ◽  
Cost Ratio ◽  
Treatment Combination ◽  
Marketable Yield ◽  
Benefit Cost Ratio ◽  
Nitrogenous Fertilizer ◽  
Randomized Complete Block Design ◽  
Benefit Cost ◽  
Different Levels

A field experiment was carried out to study the effects of inorganic nitrogenous fertilizer and organic cowdung manure on growth and yield of carrot. Three different levels of urea along with three different levels of cowdung were employed in the investigation following randomized complete block design. The result revealed that the application of 150 kg N ha-1 as urea was found suitable for maximum gross and marketable yield (47.35 t ha-1 and 39.0 t ha-1, respectively), while 15 t cowdung ha-1 showed better gross and marketable yield (38.13 t ha-1 and 30.42 t ha-1 , respectively). Regarding the combined effect, the combination of 150 kg N ha-1 and 15 t cowdung ha-1 resulted in the best performance in gross and marketable yields (51.22 t ha-1 and 43.41 t ha-1, respectively). The net return (TK. 211142 ha-1) and benefit cost ratio (4.61) were maximum in the treatment combination of 150 kg N ha-1 in the form of urea and 15 t cowdung ha-1.DOI: http://dx.doi.org/10.3329/jbau.v10i1.12012J. Bangladesh Agril. Univ. 10(1): 9–13, 2012

scholarly journals Analyzing the Effect of Different Levels of Pruning on Growth, Yield and Quality of Psidium guajava L. Cv. Lalit (Guava)

2020 ◽  
pp. 177-183
Author(s):  
Amrish Kumar ◽  
Saket Mishra ◽  
Ravi Kumar Singh
Keyword(s):  
Block Design ◽  
Growth Yield ◽  
Psidium Guajava ◽  
Fruit Weight ◽  
Research Field ◽  
Cropping Pattern ◽  
Yield And Quality ◽  
Tree Fruit ◽  
Different Levels

The present investigation entitled „„Effect of different levels of pruning on growth, yield and quality of guava. (Psidium guajava L.) Cv. Lalit” guava plant at the Horticulture Research Field, Department of Horticulture, SHUATS, Naini, Prayagraj agro-climatic condition during 2019-20. The data had been statistically analyzed by using Randomized Block Design. In this experiment, seven pruning treatments (control, 10 cm, 20 cm, 30 cm,40 cm, 50 cm and 60 cm) significantly influenced cropping pattern of guava viz. plant height (30, 60, 90, 120, 150 DAP), No. of flowers / tree, Fruit set (%), Days to first fruit harvest, Number of fruit per tree, Fruit weight (gm.), Fruit diameter (cm), Yield (Kg/Plant), Yield (t/ha.), TSS (%), Acidity (%). The maximum fruit yield was recorded in T4 (30 cm pruning) (13.33 kg) per plant and the minimum yield was recorded in T1 (Control) (8.19 kg) per plant.

scholarly journals Effect of Controlled Atmospheres with Low Oxygen Levels on Extended Storage of Guava Fruit (Psidium guajava L. ‘Pedro Sato’)

HortScience ◽  
2010 ◽  
Vol 45 (6) ◽  
pp. 918-924 ◽  
Author(s):  
Gustavo H.A. Teixeira ◽  
José F. Durigan
Keyword(s):  
Psidium Guajava ◽  
Reducing Sugar ◽  
Low Oxygen ◽  
Ripening Process ◽  
Green Color ◽  
Controlled Atmospheres ◽  
Guava Fruit ◽  
Ambient Storage ◽  
Different Levels ◽  
Oxygen Concentrations

The effects of controlled atmospheres (CAs) containing different levels of oxygen (air, 21, 15, 10, 5, and 1 kPa) were investigated during cold storage of ‘Pedro Sato’ guava at 12.5 °C for 28 days. Atmospheres with lower O2 concentrations (1 and 5 kPa) significantly reduced respiratory rates and delayed the ripening process. This was confirmed by maintenance of fruit green color, higher total soluble, and reducing sugar contents. The control fruits and those stored in elevated oxygen concentrations (21 kPa) presented a climacteric peak. However, the peak was not observed for fruit maintained in atmospheres containing 1, 5, 10, and 15 kPa O2. After transferring the fruits from CA to ambient storage, they ripened normally in just 2 d without presenting any low O2 injury symptoms, even from the lowest oxygen concentrations (1 and 5 kPa O2). This supports the use of low-oxygen atmospheres for extended storage of ‘Pedro Sato’ guava fruit.

scholarly journals Effect of pruning levels and growth regulator application on guava (Psidium guajava l.) cv. Lucknow – 49 for high yield and quality

2019 ◽  
Vol 8 (3) ◽  
pp. 3510
Author(s):  
Balamohan T.N. ◽  
Kala B.
Keyword(s):  
Growth Regulator ◽  
Psidium Guajava ◽  
Fruit Weight ◽  
High Density ◽  
High Yield ◽  
Chemical Treatments ◽  
Yield And Quality ◽  
Old Trees ◽  
Different Levels ◽  
Planting System

A field experiment to standardize the levels of pruning and growth regulator application in guava (Psidium guajava L.) cv. Lucknow-49 was undertaken at Horticultural College and Research Institute, Periyakulam during 2016-2017. The experiment consists of seven different levels of pruning and growth regulator application and the treatments were imposed on two years old trees. The result of the experiment revealed that, the treatment T5 (Light pruning + Paclobutrazol application) recorded the highest mean fruit weight, fruit length, fruit circumference, fruit pulp weight. Major objective of canopy management in guava cv. Lucknow -49 under high density planting system is to maximize the yield and maintaining the optimum canopy without overlapping. In a nutshell, taking into consideration of the performance of various pruning and chemical treatments, particularly yield and yield components, the treatment followed by T3 (Moderate pruning + Paclobutrazol application) in guava cv. Lucknow – 49 under high density planting system.

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