COMBINING ABILITY OF FORAGE WATERMELON ( Citrullus lanatus var. citroides ) GERMPLASM

Santos, Roberta Machado; Melo, Natoniel Franklin de; Fonseca, Maria Aldete Justiniano da; Queiróz, Mário Adriano Ávila

doi:10.1590/1983-21252017v30n325rc

Cited by 11 publications

(17 citation statements)

References 14 publications

(13 reference statements)

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“…citroides) is a Cucurbitaceae used as food for livestock in the Brazilian semi-arid. The evaluation of FW genotypes may provide important forage resources to regional production systems, promoting the identification of genetic material presenting tolerance to harsh environmental conditions (Santos et al 2017). Water shortage has been an important obstacle to agricultural and livestock activities in the Brazilian semi-arid, reducing productivity (Silva et al 2016).…”

Section: Introductionmentioning

confidence: 99%

Responses of forage watermelon genotypes submitted to different water supply

Ribeiro

Voltolini

Simões

et al. 2019

Biological Rhythm Research

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This study aimed to evaluate yield and physiological traits of plants and bromatological and morphological responses of fruits of forage watermelon genotypes under different water supply. Seven genotypes were used (BGCIA 228; BGCIA 239; Jojoba; BGCIA 228 x BGCIA239; BGCIA 228 x Jojoba; BGCIA 239 x Jojoba and BGCIA 991) and four water supplies (470; 370; 270 and 170 mm) during the crop cycle. The experimental design was a complete randomized blocks organized in split plots and in a 7 × 4 factorial arrangement with three replications. The photosynthesis, transpiration, stomatal conductance and leaf temperature were not affected by genotypes. Applying 170 mm of WS promoted lower photosynthesis (p = 0.0001), stomatal conductance (p = 0.0001), transpiration (p = 0.0001) and greater leaf temperature (p = 0.0084). Jojoba presented greater fruit weight (p = 0.03), plant yield (p = 0.02), fruit length (p = 0.01) and longitudinal diameter (p = 0.01) in comparison to BGCIA 228. Applying 270 mm of WS decreased DM (p < 0.0001) and 170 mm of WS increased ADF (p = 0.01). Genotype BGCIA 228 presented greater total carbohydrates (p = 0.03) and total soluble solids contents (p = 0.01), lower ether extract (p < 0.0001) and ADF (p = 0.006) compared to BGCIA 239. Water supply affects physiological and bromatological responses, and the genotypes promote differences in yield, bromatogical and morphological characteristics of forage watermelon.

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Section: Introductionmentioning

confidence: 99%

Responses of forage watermelon genotypes submitted to different water supply

Ribeiro

Voltolini

Simões

et al. 2019

Biological Rhythm Research

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“…No studies were done about general and specific combining ability in C. mucosospermus. However, the works carried out on its sister C. lanatus and on another cucurbitaceae species have also emphasized the importance of both additive and non-additive gene action in the inheritance of many traits (Feyzian et al, 2009;Gvozdanović-Varga et al, 2011;Bahari et al, 2012;El-Tahawey et al, 2015: Golabadi et al, 2015Ogbu et al, 2016;Santos et al, 2017). The presence of both additive and non-additive gene actions in the expression of these traits suggests the use of reciprocal recurrent selection or Bi-parental mating for improving these traits (Jatoth et al, 2014).…”

Section: Discussionmentioning

confidence: 99%

“…This result confirms these obtained with potence ration values. The predominance of non-additive gene action in the expression of investigated characters suggests the possibility of the hybrid vigor exploitation (Hasanuzzaman et al, 2012;Pandey et al, 2014, Poodineh andRad, 2015;Santos et al, 2017) or the possibility to postpone the selection to later generations for improving genetically these traits (Kiran et al, 2012). The parental lines comparison in GCA term, showed that cultivar Bebu was the best general combiner for all studied traits except number of fruits per plant which the best general combiner were the three accessions of Wss.…”

Section: Discussionmentioning

confidence: 99%

“…They represent the best strategy for determining the general (GCA) and specific (SCA) combining abilities which help to identify the best parents and hybrid combinations and, provide sufficient genetic data about character inheritances (Farshadfar et al, 2011(Farshadfar et al, , 2014Iqbal et al, 2015;Farshadfar and Amiri, 2015;Chukwu et al, 2016;Golabadi et al, 2017). In fact, the significance of the GCA reflects additive gene actions while the significance of SCA reflects the non-additive genetic effects which indicates relevant non-allelic interactions (Hossein et al, 2014;Fasahat et al,2016;Seyyed-Nazari et al, 2016;Golabadi et al, 2017;Queiroz et al,2017;Santos et al, 2017). If both GCA and SCA values are not significant, epistatic gene effects may play a remarkable role in determining these characters (Farshadfar and Amiri, 2015;Fasahat et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

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Diallel analysis in Citrullus mucosospermus (Fursa) for fruit traits

Brou¹,

Sie²,

Adjoumani³

et al. 2018

Afr. J. Agric. Res.

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For the estimation of genetic parameters (such as heterosis effect, potence ratio, combining ability and reciprocal effects) of five fruit traits, in order to suggest breeding strategies in Citrullus mucosospermus (Fursa), a field trial was carried out at Kononfla city in Western Côte d'Ivoire using 4x4 full diallel. All 12 F 1 hybrids and their parents were planted in a randomized complete block design with three replications. A positive heterosis effect relative to mid-parental values was observed to hybrids having one parent Bebu for characters' fruit weight, fruit diameter and fruit volume. Variances due to general (GCA) and specific (SCA) combining abilities were significant (P˂0.001) for all studied traits, indicating the involvement of both additive and non-additive gene actions in the inheritance of these traits. Non-additive gene effects were predominant for all studied traits. Bebu was the best general combiner for all traits except fruit number which the best combiners were three morphotypes of Wss. For NF, Wss1×Wss2 and Wss2×Wss3 recorded the highest positive SCA values. Crosses involving Bebu as one parent, presented the best SCA values for other traits.

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“…A melancia forrageira (Citrulus lanatus cv. Citroides), também conhecida como melancia de cavalo ou melancia de porco, ou melancia forrageira, insurge-se como uma excepcional alternativa para alimentação animal, com uso frequente pelos pequenos criadores do Nordeste, onde se apresenta com elevado potencial para utilização em regiões áridas e semiáridas como excepcional recurso forrageiro (Santos et al, 2017). Destaca-se pela capacidade de acumular água, apresentando cerca de 96,81% na polpa e 27,16 % nas sementes (Câmara et al, 2018), conservando-se por mais de um ano sem prejuízo da qualidade.…”

Section: Introductionunclassified

Reação de plântulas de melancia forrageira aos ambientes aberto e protegido

Belfort

Teixeira

Oliveira

et al. 2020

RSD

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Prominent on the northeastern semiarid of Brazil as a plant of exceptional foraging capacity and notorious resistance to the local adversities, the forage watermelon (Citrulus lanatus cv. Citroides) is yet another species whose little knowledge limits it as a commercial alternative. The research was conducted on the experimental area of the Federal University of Piauí, in Teresina, from June to August 2019, aiming to identify the reactions of plants in an open and protected environment, conducted in expanded polystyrene trays. The experimental design consisted of randomized blocks with 4 replications and treatments in a 2x2 factorial arrangement, with the type of tray (72 and 128 cells) and environment (open sky and protected cultivation) factors. The trays were filled with commercial substrate and chemical fertilizer, distributed on an open sky supports and inside a protected cultivation unit with 50% shading. To measure the responses, the parameters were evaluated: height of the seedling from the cleavage to the terminal bud of the stalk, length of the root, weight of the fresh matter of the aerial part and of the cotyledon leaves, being possible to conclude that: the seedlings react more to the type of tray than to the cultivation environment, where larger trays (72 cells) positively influence the weight of cotyledon leaves, the number of leaves and the weight of fresh matter in the aerial part. Both the environment and the type of tray interfere with the length of the root, getting deeper in the 72 cell units and open environment. Regardless of the type of tray, the plant is going to be greater in an open environment.

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COMBINING ABILITY OF FORAGE WATERMELON ( Citrullus lanatus var. citroides ) GERMPLASM

Cited by 11 publications

References 14 publications

Responses of forage watermelon genotypes submitted to different water supply

Responses of forage watermelon genotypes submitted to different water supply

Diallel analysis in Citrullus mucosospermus (Fursa) for fruit traits

Reação de plântulas de melancia forrageira aos ambientes aberto e protegido

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