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Evaluation of Guava (Psidium guajava L.) Genotypes Based on Fruit Morphology, Physico-chemical Properties .and Yield under Eastern Plateau Condition

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Title Evaluation of Guava (Psidium guajava L.) Genotypes Based on Fruit Morphology, Physico-chemical Properties .and Yield under Eastern Plateau Condition
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Creator BR Jana, PS Munsi, DC Mgnna and Bikash Das
 
Subject Guava, Evaluation, Fruit shape, Flesh colour, TSS, Ascorbic acid, Yield
 
Description The guava (Psidiunz guajava L.) 'Apple of Tropics' is one of the major fruit crops grown in subtropical, subhumid climate under eastern plateau and hill region. In the present investigation, thirty-two guava cultivars and seedlings which excelled over most other guava cultivars in term of productivity and physico-chemical characters were evaluated. Description of guava cultivars on the basis of botanical and pomological characters are most useful tools for systematic botanist and pomologist for further research and equally good for the people concerned with guava industry. Maintenance of superior genotypes in respect of fruit and other characters for further crop improvement programmes is essential. The soil and climatic conditions of eastern plateau and hill agroclimatic zone offer suitable conditions for successful cultivation of guava under irrigated and rain-fed conditions as well. The ease in cultivation and precociousness of guava (after two-years attains bearing stage) under these conditions makes it a suitable option for increasing the paddy equivalent yield of agriculture production system. Keeping the above point in view, the present investigation
Thirty-two guava germplasm were evaluated on the basis of fruit morpholology, physico-chemical properties and yield at ICAR Research Complex for Eastern Region, Research Center, Ranchi during 2007-08. High yielding cul ti vars were CHG- I, Allahabad Safeda, Mild Flesh, Sardar and White Flesh. The fruit of CHG-I cultivar was round shaped with pink flesh and having smooth surface. On the other hand, the fruit of Allahabad Safeda cultivar was round shaped and had creamy pulp and smooth surface. The fruit ·of Sardar and White F lesh cultivars were oval shaped and had white pulp and rough surface. The characteristics of Mild Flesh cultivar was round fruited with white pulp and smooth surface. With regard to physico-chemical properties of the genotypes, the cultivar Spear Acid accounted for the maximum fruit weight (179.4 g) and ascorbic acid content (265.83 mg/100 gm pulp) whereas the cultivar CHG-5 had higher T.S.S. content of l0.26"B during rainy season. As winter crop, the cultivar Mild Flesh recorded the maximum fruit weight of 199.1 g whereas the cultivars Seed Drop and Kairnla Seedling exhibited highest T.S.S .content of l 2.86"B but later had the maximum ascorbic acid content of 358.33 mg/JOO gm pulp. The only cultivar Barbadose Superior did not produce fruit during winter. During summer season, six cultivars, viz. Mild Flesh, Seed
Drop, Surkh Gudi, CHG- I, CHG-2 and Eskwala brought forth fruit. The cultivar Eskwala recorded the highest fruit weight of 139.8 g and the cultivar Seed Drop exhibited the maximum TSS content of 14.36°B and ascorbic ac id content of 337 .5 mg/ IOOgm pulp. Hence, based on fruit morphology, quality and total yield CHG- I, Allahabad Safeda, Mild Flesh, Sardar, White Flesh, Spear Acid and Seed Drop were found promising for cultivation in the plateau region of Jharkhand.
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Date 2019-12-03T05:45:37Z
2019-12-03T05:45:37Z
2010-01-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/26499
 
Language English
 
Relation Not Available;
 
Publisher Indian J. Plant Genet. Resour.