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Coinoculation of bioinoculants improve Acacia auriculiformis seedling growth and quality in a tropical Alfisol soil

Journal of Forestry Research 2018年第3期29卷 660-670页

作者： thangavelu muthukumar Karuthamuthu Udaiyan Root and Soil Biology Laboratory Department of BotanyBharathiar University

We conducted a study to find out if arbuscular mycorrhizal(AM) fungi(Acaulospora scrobiculata,Scutellospora calospora) and phosphate solubilizing bacteria(PSB, Paenibacillus polymyxa) inoculation either individually or in combinations can improve Acacia auriculiformis seedling growth, uptake of nutrients and quality in a phosphorus deficient tropical Alfisol. The seedlings were assessed for various growth and nutrient uptake parameters after 60 days of treatment. Inoculation with *** stimulated mycorrhizal formation. Seedling height, stem girth, taproot length, number of leaves and leaf area, plant dry matter production, nodulation, and nodular dry weight were significantly higher for seedlings that were either dual inoculated or triple inoculated compared to individual inoculation of AM fungi or PSB, and uninoculated seedlings. Dual and triple application of AM fungi and PSB also significantly improved the nutrient contents of shoots and roots and nutrient uptake efficiencies. The calculated seedling quality indexes of the AM fungi and PSB inoculated seedling were 25–208% higher than uninoculated seedlings. These findings show that *** seedlings when dual inoculated or triple inoculated performed better than seedlings inoculated with the microbes individually and compared with uninoculated control seedlings. We conclude that bioinoculation is important for the production of high-quality *** seedlings in tree nurseries for planting in nutrient deficient soils.

关键词： Arbuscular mycorrhizal fungi Nutrient uptake efficiency Paenibacillus polymyxa Relative field mycorrhizal dependency Seedling quality

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Complex TAPVC-Experience with Six Patients

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Surgical Science 2013年第11期4卷 509-515页

作者： Baskar Ranjith Karthekeyan Periyasamy thangavelu Jebaraj Rethinasamy Mahesh Vakamudi Siva muthukumar Rajeshkumar Kodali Kamalakannan Sambandham Sushma Nandipati Sri Ramachandra Medical College and Research Institute Chennai India

Total anomalous pulmonary venous connection becomes a totally different subset when associated with complex congenital anomalies. The combination of two separate life-threatening congenital heart defects complicates the management of these patients. Six patients with total anomalous pulmonary venous connection associated with complex congenital heart disease were studied. There were 2 girls and 4 boys. Three of them were less than 5 kg in weight, and the other 3 were more than 5 kg in weight. Four patients had severe pulmonary arterial hypertension and 2 patients had pulmonary stenosis. Three patients had supracardiac type with a right vertical vein, one had drainage to the right atrium superior vena cava junction, one patient had supra cardiac type but split flow to both the superior vena cava and one patient had cardiac type. Three patients had double outlet right ventricle. Three patients had atrioventricular canal defect and 2 patients had preoperative pulmonary vein obstruction. All patients underwent rerouting of pulmonary veins. Concomitant procedures included intraventricular tunnel repair of ventricular septal defect and infundibular resection in double outlet right ventricle. Atrioventricular canal repair was done for Rastelli type A atrioventricular canal. Superior vena caval plasty, atrioventricular canal repair and pulmonary artery banding were done in unbalanced atrioventricular septal defect and large double outlet right ventricle. Intracardiac repair through transatrial approach was done for tetralogy of Fallot. Right ventricle-pulmonary artery conduit was done for truncus arteriosus. Single ventricle repair was done for corrected transposition of great arteries. There were 2 hospital deaths.

关键词： Total Anomalous AV Canal Complex Congenital Pulmonary Vein

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Three Cases of ALCAPA with Associated Anomalies

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World Journal of Cardiovascular Surgery 2014年第1期4卷 1-6页

作者： Baskar Ranjith Karthekeyan Periyasamy thangavelu Jebaraj Rethinasamy Mahesh Vakamudi Siva muthukumar Rajeshkumar Kodali Kamalakannan Sambandham Sushma Nandipati Department of Anesthesiology Sri Ramachandra Medical College and Research Institute No. 1 Ramachandra Nagar Porur Chennai India

There are several potential issues that affect the treatment and diagnostic pattern of anomalous left coronary artery arising from the pulmonary artery. We report three cases of infants who presented with anomalous left coronary artery arising from the pulmonary artery with severe left ventricular dysfunction and severe mitral regurgitation along with associated anomalies. One patient had congenital lobar emphysema of the right midde lobe. Another patient had left main stem bronchus compression, collapse of basal segments of left lower lobe and panlobular emphysema in medial basal segment of right lower lobe. The third patient had cleft lip and palate. All patients underwent successful repair. The hemodynamic stability was compromised when the infant with congenital lobar emphysema had spontaneous pneumothorax after extubation and she needed an intercostal drainage. The infant with lung collapse had to be reintubated on the second day since she became hypoxic due to recollapse of the lung once the airway positive pressure was removed. She needed chest physiotherapy, vigorous endotracheal suctioning and inhaled bronchodilator therapy. The patient who had cleft palate succumbed to aspiration pneumonitis in the postoperative period. Follow-up of other two patients after three months showed very good improvement in left ventricular systolic function.

关键词： Anomalous Coronary Artery Left Ventricle Mitral Regurgitation

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