In this study we used ISSR molecular markers to evaluate the genetic variability of 96 tomato accessions from Banco de Germoplasma Hortaliças (BGH) Universidade Federal Viçosa, Minas Gerais, Brazil. Ten primers were individually amplified allow differentiation material. All ten generated 144 DNA bands, 53 being polymorphic, with an average 14.4 per primer. The profiles by primer 840-(GA)8YT contained largest number polymorphic bands (13 bands). 855-(AC)8YT detected greatest (12 accessions)...

WO FIELD experiments were conducted at Wadi El-Natrun, El-Bahira Governorate, (latitude of 30.48 0 N and longitude 30.50 E) during 2013/2014 2014/2015 seasons to study the impact foliar application with alga extract (Spirulina platensis) boron on yield quality sugar beet (Beta vulgaris var.saccharifera, L.) planted in a sandy soil under sprinkler irrigation system.The present work included sixteen treatments, represented combinations four levels (without; 1.5; 2.5 3.5 g / liter) sprayed...

RESUMOO objetivo foi avaliar o potencial produtivo de cultivares morangueiro em região representativa do Alto Jequitinhonha. O experimento conduzido na fazenda Mape Frutas Ltda., localizada no município Datas-MG, delineamento blocos ao acaso, com oito quatro repetições, para verificar a produção mudas e frutos. A contagem da estolões realizada aos 180 dias após plantio. avaliação das variáveis relacionadas à frutos feita duas vezes por semana, período maio outubro 2012. Das curtos (Festival,...

Late blight caused by the oomycete Phytophthora infestans is a destructive disease of tomato in Brazil and other tropical subtropical regions. The purpose present study was to analyses inheritance resistance late determine genetic factors contributing inbred line '163A'. Line '163A' resulted from interspecific cross between Solanum lycopersicum S. habrochaites f. glabratum. Inoculated field with mixture isolates pathogen 1000 spores mL-1 naturally infested trials showed that expression...

Late blight is a serious disease affecting tomato production especially in tropical and subtropical regions. Twenty-five crosses were generated from ten diverse parents to combine both the horizontal vertical late resistance genes of blight. Five inbred lines with polygenic derived interspecific cross Solanum lycopersicum x S. habrochaites f. glabratum were used as testers. The cultivars CN1 CN2 CELBR source for genes Ph-2 and Ph-3. genotypes artificially inoculated mixed isolates...

In Egypt, the impact of high temperatures on tomato production during summer season has become an urgent issue. Where day/night temperature rising above optimal for flowering and fruit set, consequently, fresh market prices increase about 400 to 500% this period with inferior quality fruits. The objective work was assay new genetic resources a set ex situ lines cultivars heat-tolerant. Furthermore, selection promising parents that would be used in developing more adaptive heat stress. All...

Não há na literatura trabalhos que avaliem descritores importantes em batata-doce individualmente ramas, raízes e toda a planta (raízes + ramas). Esta informação detalhada é importante, pois permite seleção dos melhores genótipos considerando ramas), tendo vista as diferentes formas de utilização: consumo humano, animal, indústria produção etanol. Portanto, objetivou-se avaliar o potencial produtivo matéria fresca, seca, amido proteína bruta raízes, ramas (ramas raízes) batata-doce, fim se...

The objective of this work was to evaluate the physiological and sanitary quality soybean cultivars as a function doses sources organomineral fertilizers. experimental design randomized blocks arranged in split-split plot, with three replications. In main plots, treatments consisted two (BRASMAX Bônus IPRO BRASMAX Olimpo IPRO), subplot, phosphate fertilizers [two manufactured fertilizer (simple superphosphate)]. 0 (control), 50 100 kg P2O5 per ha-1 were used. following parameters: moisture...

Two field experiments were conducted during two successive winter seasons of 2012/2013 and 2013/2014 at El-Baramoun farm, Mansoura Horticulture Research station to study the effect spraying by ATP (100ppm), amino acids (2.5ml/l), glycinebetaine (50ppm), salicylic acid (20ppm), Zinc (100ppm) Boron (50ppm) compared with tap water (control treatment) on vegetative growth parameters, photosynthetic pigments, mineral constituents, yield components fruit quality tomato cv.Super strain B grown...

Seeds of fifteen sugar beet (Beta vulgaris L.) cultivars were collected in 2018 and 2019 Egypt screened for their seed-borne mycoflora using deep-freezing blotter method.Among those fungi recovered from seeds, a plant pathogen Fusarium moniliforme was the most dominant.Thus, it tested its pathogenicity transmission against plants.Green chemicals (antioxidants) biological control agents used suppressing F. comparison with Fludioxonil/Mefenoxam (Maxim XL 3.5% FS ® ; chemical fungicide),...

Two polyploid hybrids between cassava (Manihot esculenta) cultivar 307-2 and its wild relatives M. glaziovii anomala, were studied to examine the relationship ploidy level production of seeds without fertilization. A clearing method was applied assess ovule sizes as an indication multiembryony. The diploid had regular 18 bivalents at meiotic metaphase 1 while types showed chromosome configurations varying from 3 4 quadrivalents 28 30 bivalents. total 14% ovules hybrid involving...

Organomineral fertilizers can be an excellent alternative through exploitation of the residues left by application in previous crops. Therefore, objective this study was to evaluate agronomic characteristics cowpea fertilized with residual organomineral from first corn crop southern Maranhense. The experimental design randomized blocks, arranged a split-plot design, three replications. Two cultivars (BRS Tucumaque and BRS Nova era) were sown plots. phosphate subplot (two which one fertilizer...

ABSTRACT The extended use of the same variety by farmers over successive generations and reuse “seeds” caused natural variability that can be a magnificent opportunity for genetic improvement tomatillo. Two seasons were accomplished to select genotypes with good performance from heterogeneous population local tomatillo “Balady”. results revealed significant differences in early yield as fruit number average weight original population. Additionally, highly correlation between set percentage...

The ‘biquinho’ pepper is important in Brazilian cuisine, and the production of quality seeds necessary to guarantee seedlings. Thus, objective this study was determine ideal maturation period for collecting fruits extract seedling production, as well correlate main morphological characteristics seedlings with Dickson index. experimental design completely randomized, four stages (1 - green fruit: exocarp, 2 orange 3 transition 20% 80% red, 4 red fruit exocarp) eight repetitions. Ripe were...

The use of correlations can identify the traits correlated with soybean grain yield. Therefore, objective this study is to path analysis examine how agronomic influence yield in soybeans, taking into account different doses and sources organominerals used cultivation. experimental design was randomized blocks arranged a sub-subdivided plot three replications. In plots, treatments consisted two cultivars (BMX Bônus IPRO BMX Olimpo IPRO), subplot, phosphate fertilizers [two organomineral...

Characterization and evaluation of germplasm collections is considered an achievement as important maintaining the collection. The objective this work was to evaluate quantitative yield traits a collection Brazilian arracacha identify high yielding, early duplicated accessions. All 67 accessions were planted in experiment at Horticultural Research Station Public University Viçosa, MG, Brazil. A randomized complete block design with two replications used. Each plot contained 15 plants three...

A batata doce e uma das raizes tuberosas mais cultivadas nas regioes tropicais subtropicais para diversas formas de utilizacao. Apesar ser olericolas grande potencial uso na alimentacao humana, animal industrial, tem sido pouco estudada. O objetivo deste trabalho foi identificar clones superiores avaliar a producao qualidade raizes, ramas silagem batata-doce em diferentes epocas colheita ambientes cultivo. Seis (BD-38, BD-45, BD-25, BD-31TO, BD-15 BD-08) pertencentes ao banco germoplasma da...

Since late blight has become a frequent problem in Egypt, it's important to develop tomato varieties resistant or tolerant this pathogen.The aim of research was assay the performance resistance gene Ph-3 transferred some breeding lines and varieties.Five (P5, P39, P17, Super marminde Edkawy) 3 testers (NC 2 CELBR, NC 25P 163A) were used partial diallel mating desing generate 15 F1 hybrids.Two individuals greenhouse experiments conducted for screening genotypes evaluation their potencial...

Minimizing post-harvest losses during sweet potato storage is imperative for the producer and consumer. Therefore, use of statistical tools to select superior genotypes that have good characteristics will contribute breeding programs. The aim this study was demonstrate applicability multivariate clustering technique as an alternative in on root dehydration among accessions. A total 74 accessions potatoes were evaluated a randomized complete block design four replicates. roots stored plastic...

O manejo da cultura mandioca é o que determina potencial produtivo, sendo em muitos casos negligenciado, por ser considerada uma rústica responde pouco aos insumos agrícolas. objetivo deste trabalho foi avaliar desenvolvimento função posição maniva combinação com Azospirillum brasilense. delineamento experimental utilizado inteiramente casualizado, desenho fatorial 2x2, um fator posicionamento [horizontal (PH) e vertical (PV)] outro a aplicação do A. brasilense [com (+Azos) sem (-Azos)], 20...

Neste estudo foram utilizados marcadores moleculares ISSR para avaliar a variabilidade genetica de 96 acessos tomateiro pertencentes ao Banco Germoplasma Hortalicas (BGH) da Universidade Federal Vicosa, Minas Gerais, Brasil. Dez primers amplificados individualmente permitir diferenciacao do material. Os dez geraram 144 bandas DNA, sendo 53 delas polimorficas, com media 14.4 por primer . O perfil gerado pelo 840-(GA) 8 YT continha o maior numero polimorficas (13 bandas). 855-(AC) detectou dos...

The size of soybean seeds can influence the germination process and seedling growth. Therefore, this study aimed to evaluate during growth under non-stressful conditions salt water stress. design used was completely randomized, arranged in a 2 × 3 factorial scheme, with two cultivars [BMX Extra IPRO (74i78RSF IPRO) BMX Desafio RR (8473 RSF)], three seed classes (5.75; 6.5 mm) osmotic stress treatments [control (non-stressful conditions), or stress]. In control treatment, distilled used,...

The objective was to evaluate the influence of water deficit on growth and development Amaranthus deflexus L. after application herbicides with different mechanisms action. experimental design used completely randomized a double factorial arrangement split plots over time. Analysis variance performed using mixed model methodology. For total dry mass, plant height, stem diameter, relative content chlorophyll content, weeds were subjected three factors: products (water, glyphosate, diuron,...