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Mohankumar, A. B.
- Screening of Pumpkin (cucurbita Sp.) Germplasm for Sources of Resistance against Melon Fruit Fly (bactrocera Cucurbitae)
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Authors
Affiliations
1 Krishi Vigyan Kendra, Hardanahalli Farm, Chamarajanagar Karnataka, IN
2 Krishi Vigyan Kendra, Hardanahalli Farm, Chamarajanagar Karnataka
1 Krishi Vigyan Kendra, Hardanahalli Farm, Chamarajanagar Karnataka, IN
2 Krishi Vigyan Kendra, Hardanahalli Farm, Chamarajanagar Karnataka
Source
International Journal of Plant Protection, Vol 6, No 1 (2013), Pagination: 207-208Abstract
Fifty seven pumpkin (Cucurbita sp.) genotypes from the germplasm maintained at Vegetable Department of K.R.College of Horticulture, Arabhavi were screened for resistance against melon fruit fly under natural epiphytotic conditions on the bases of per cent fruit infestation. Arka Suryamukhi was categorized as highly resistant genotype with less than 10 per cent fruit infestation. The genotypes, KP-3, KP-19, KP-32 and KP-38 showed 10-20 per cent fruit infestation and were categorized as resistant genotypes. It was concluded that Arka Suryamukhi, KP-3, KP-19, KP-32 and KP-38 can be used as source of resistance for developing pumpkin genotypes resistant to melon fruit flies.Keywords
Genotypes, Germplasm, Cucurbita Sp., Fruit Flies, Bactrocera Cucurbitae- Genetic Divergence Studies in Pumpkin (Cucucrbita spp.)
Abstract Views :275 |
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Authors
Affiliations
1 Krishi Vigyan Kendra, Hardanahalli Farm, Chamarajanagar, Karnataka, IN
2 Department of Horticulture, Krishi Vigyan Kendra, Hardanahalli Farm, Chamarajanagar, Karnataka, IN
1 Krishi Vigyan Kendra, Hardanahalli Farm, Chamarajanagar, Karnataka, IN
2 Department of Horticulture, Krishi Vigyan Kendra, Hardanahalli Farm, Chamarajanagar, Karnataka, IN
Source
International Journal of Plant Sciences, Vol 8, No 1 (2013), Pagination: 29-34Abstract
A study on genetic divergence was carried out on nineteen growth, earliness, yield and quality traits in fifty seven genotypes of pumpkin (Cucurbita spp.) These fifty seven genotypes were grouped into fifteen clusters. Yield per vine contributed maximum to total genetic diversity followed by leaf size, cavity size, carotene content, number of seeds per fruit and hundred seed weight. Intracluster distance was maximum among cluster XIV, I, XIII and XII. Maximum Inter-cluster divergence was observed between clusters X and XIV followed by cluster XI and XIV, cluster XIV and XV and cluster IV and XIV. Cluster XV recorded highest mean values for yield per vine, number of seeds per fruit, fruit length, average fruit weight and least mean value for days to first female flower, cluster XIV recorded highest mean value for leaf size, cluster XIII recorded highest mean values for fruit number, carotene content, TSS and least mean value for cavity size, cluster VIII recorded maximum mean values for hundred seed weight, flesh thickness and fruit circumference, cluster IV noticed least mean values for days to first harvest and nodes upto first female flower.Keywords
Earliness, Genotypes, Genetic Divergence, Carotene Content, TSS, Flesh Thickness- Comparatives Studies of Commercially Important Varieties of Pomegranate (Physico-Chemical Properties)
Abstract Views :188 |
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Authors
Affiliations
1 Krishi Vigyan Kendra, Chamarajanagar (Karnataka), IN
1 Krishi Vigyan Kendra, Chamarajanagar (Karnataka), IN