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Reddy M.T.,Vegetable Research Station | Haribabu K.,APHU | Ganesh M.,ANGRAU | Begum H.,Vegetable Research Station
Thai Journal of Agricultural Science | Year: 2011

Forty five single crosses were derived from crossing of ten horticulturally superior, optimally diverse and nearly homozygous lines of okra (Abelmoschus esculentus (L.) Moench) namely; P1(IC282248), P2(IC27826-A), P3(IC29119-B), P4(IC31398-A), P5(IC45732), P6(IC89819), P7(IC89976), P8(IC90107), P9(IC99716) and P10(IC111443) in half diallel fashion during summer, 2009 to develop 45 F1s. All 45 F1s along with their 10 counterpart parental lines were evaluated in a randomized block design with three replications over three seasons (early, mid and late kharif, 2009) at the Vegetable Research Station, Rajendranagar, India. Combining ability analysis revealed the preponderance of non-additive gene action involved in the inheritance of plant height, internodal length, days to fifty percent flowering, first flowering node, first fruiting node, fruit length, fruit weight, total number of fruits per plant, number of marketable fruits per plant, total yield per plant, marketable yield per plant and yellow vein mosaic virus infestation on fruits and plants and additive gene action involved in the inheritance of number of branches per plant and fruit and shoot borer infestation on fruits and shoots. The parental lines P5(IC45732) and P7(IC89976) were superior general combiners for total and marketable yield per plant and other traits, which could be exploited for developing prolific and precocious pure line varieties of okra. The crosses C23(IC29119-B x IC99716), C17(IC27826-A x IC111443), C42(IC89976 x IC111443) and C43(IC90107 x IC111443) were superior specific combiners for total and marketable yield per plant with the potential of being commercially exploited for the production of F1 hybrids. The cross combinations C17 (IC27826-A x IC111443) and C42(IC89976 x IC111443) having one or both of the parents with positively significant general combining ability effects for total and marketable yield per plant could be utilized in recombination breeding with single plant selection in the passing generations to capitalize additive gene action to develop lines or varieties with higher total and marketable yield per plant in okra.

Kumar S.,Indian Central Arid Zone Research Institute | Rao S.S.,ICAR Indian Institute of Millets Research | Yakadri M.,ANGRAU
National Academy Science Letters | Year: 2016

Sweet sorghum (Sorghum bicolor (L.) Moench) is a potential bioenergy crop that produces both food (from grain) and biofuel (from stalk juice). The present investigation undertaken to assess the effect of different plant density and nitrogen levels on juice extraction and sugar quality traits of sweet sorghum grown in postrainy season of 2008–2009. Three planting geometries as main treatments (30 × 15, 45 × 15 and 60 × 15 cm) and four levels of nitrogen (0, 30, 60 and 90 kg ha−1) application levels as sub-plot treatments were assessed in split-plot design. It is found that the combination of relatively lower nitrogen application level (60 kg ha−1) with maximum population density (spacing 45 × 15 cm) are needed for higher sugar and ethanol yields in the farmer fields. © 2016, The National Academy of Sciences, India.

Sravani D.,Agricultural Research Station PJTSAU | Babu V.R.,Indian Institute of Rice Research IIRR | Reddy M.R.,Agricultural Research Station PJTSAU | Reddy T.D.,Telangana University | And 2 more authors.
Research on Crops | Year: 2016

This experiment was conducted in three locations representing three agro-climatic zones of Telangana state involving 28 cross combinations generated by mating eight parents by diallel fashion as per Griffing's Method II (excluding reciprocals) to know the association among grain yield, its attributes, protein content and kernel characters as well as the direct and indirect contribution of these characters in grain yield. This study revealed that the attributes viz., number of productive tillers per plant, plant height, kernel breadth and kernel length possessed both positive association and high positive direct effects in grain yield suggesting that selection of these traits will be useful for the improvement of grain yield. However, protein content showed significant negative association along with negative direct effect on grain yield.

Basava S.,ANGRAU | Devi K.B.S.,ANGRAU | Sudharshana C.,UAS | Uma G.,ANGRAU
Ecology, Environment and Conservation | Year: 2014

The experiment was conducted at in Maize Research Station, Agricultural Research Institute, Rajendra nagar, Hyderabad during rabi 2011-2012. The experiment was laid out in randomized block design with factorial concept and replicated thrice with twenty treatment combinations consisting of 5 irrigation treatments and 4 nitrogen applications and results showed that, Scheduling of drip irrigation at 100% E pan produced higher growth, yield attributes and in turn green cob yield (12.23t ha1) and fodder yield of (28.93t ha -1) of sweet corn which was 58% higher green cob yield over that obtained with surface irrigation at 1.0 IW/CPE. Application of N @ 200 kg ha-1 through fertigation achieved maximum green cob yield (11.65 t ha-1) and fodder yield (25.71t ha-1). Copyright © EM International.

Kumar R.,Indian Institute of Technology Delhi | Singode A.,Indian Institute of Technology Delhi | Chikkappa G.K.,Indian Institute of Technology Delhi | Mukri G.,Indian Institute of Technology Delhi | And 10 more authors.
Sabrao Journal of Breeding and Genetics | Year: 2014

A study was conducted to identify maize hybrids with stable grain yield among 24 commercial hybrids in 5 test environments. The variation in genotypes, environments and genotype environment interaction (G x E) was significant. Maximum variation was explained by difference in environmental conditions (55.92%) and least by genotypes (9.81%). The 2 AMMI principal coordinates axes (PCA) estimates explained 80% of the phenotypic variation. For the quantitative measure of stability, AMMI Stability Value (ASV) was calculated using PCA scores. Among these hybrids HQPM-1 was found to be most stable with ASV of 0.32. Based on this experiment using various biplot methods, it is concluded that Hyderabad environment is best for testing the hybrids for wider adaptability and Karnal and Kanpur locations can be used to identify location specific hybrids. The hybrids G5 (TNAU Co-6), G14 (LVN 99) and G 18(VS 71) performed best in Udaipur, G23 (Bio 9544), G12 (VN 8960) and G21 (HTMH 5101 Sona) and G24 (Bio 9522 S) were found best in Hyderabad and Delhi. At Karnal G20 (900M Gold), G6 (PMH-1), G13 (LCH 9) and G22 (HTMH 5401) are considered to be the best genotypes whereas in Kanpur G7 (PMH-2), G11 (HQPM-1) and G 2 (WLS-F133-4-1-1-B-2-BBB/CL02450-BBB) were found to be best. © Society for the Advancement of Breeding Research in Asia and Oceania (SABRAO) 2014.

Hymavathi T.V.,ANGRAU | Spandana S.,ANGRAU | Sowmya S.,ANGRAU
Agricultural Engineering International: CIGR Journal | Year: 2014

There is a raising popularity among the consumers for traditional foods due to their health benefits, and pearl millet is one among them. Different types of pearl millet ready-to-cook product (vermicelli) were prepared using pearl millet semolina, defatted soya flour and three different types of hydrocolloids at 2% level and tested against the control (refined wheat flour based) vermicelli. Cooking, sensory quality and nutritional composition including dietary fibre and in vitro digestibility were studied. Though wheat based vermicelli assigned higher overall sensory score (8.2) than all the pearl millet formulations, there was no significant difference (P<0.05) between vermicelli with Guar Gum (GG) and Carboxy methyle Cellulose (CMC) and with refined wheat flour. The dietary fiber content of hydrocolloids added pear millet vermicelli was significantly (P ≤ 0.05) higher than that of refined wheat flour. The addition of hydrocolloids decreased the in vitro digestibility of protein and starch. However the amount of protein (10.2 to 12.7 g/100 g) presented in the soya fortified vermicelli can outweigh the lower protein digestibility. The present product is also suitable to celiac people within general population as a healthy breakfast item. The study demonstrated that incorporation of hydrocolloids not only helped to improve the textural quality of the gluten free formulations but also enhanced the dietary fiber content and lowered the in vitro starch digestibility (IVSD).

Kodanda Rami Reddy D.,ANGRAU | Venkateswarlu O.,ANGRAU | Obaiah M.C.,ANGRAU | Siva Jyothi G.L.,ANGRAU
Legume Research | Year: 2011

Thirty five divergent genotypes of greengram [Vigna radiata.(L.) Wilczek] were evaluated for yield and yield attributes during rabi, 2009-10. Genotypes differed significantly for all the characters studied. High genetic advance coupled with high heritability was observed for characters viz., plant height, number of pods/plant, shoot dry matter/plant and seed yield/plant, indicating there by the preponderance of additive gene action for these characters. Correlation analysis indicated that seed yield /plant was positive and significantly associated with days to maturity, plant height, number of pods/plant, number of seeds/pod, 100-seed weight, shoot nitrogen, seed protein and shoot dry matter/plant. Path co-efficient analysis revealed that days to flowering, days to maturity, number of pods/plant, seed protein, shoot dry matter/plant and 100-seed weight had positive direct effects on seed yield/plant. Hence, selection on these traits could be improving seed yield in greengram.

Kodanda Rami Reddy D.,ANGRAU | Venkateswarlu O.,ANGRAU | Obaiah M.C.,ANGRAU | Siva Jyothi G.L.,ANGRAU
Legume Research | Year: 2011

A set of 20 crosses involving nine parents was studied to get information on the extent of heterosis over better parent (BP) and mid parent (MP) for yield and yield contributing characters in greengram. The maximum better parent heterosis for seed yield was observed to be 149.71% and that of mid parent found to be 159.69%. The crosses showing heterosis for seed yield was not heterotic for all the characters. PUSA 9672 × WGG 2, PUSA 9672 × TARM 21, PUSA 9672 × LGG 407, MGG 341 × LGG 407 and LGG 460 × LGG 407 hybrids were identified as promising for many desirable traits and they may be useful in exploiting hybrid vigour in greengram.

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