Introducción. En Tamaulipas, México se presentan las condiciones ambientales adecuadas para la producción del nopal; sin embargo, los rendimientos son inferiores a media nacional. Objetivo. Caracterizar el sistema productivo de nopal en La Huasteca Tamaulipeca e identificar principales problemas que limitan producción. Materiales y métodos. Se realizó un diagnóstico Tamaulipeca, lo cual, aplicaron 28 encuestas 65 preguntas, divididas tres apartados: a) identificación productor, b)...

In Mexico, there are 29 native species of the genus Hymenocallis, including H. glauca, which is characterized by a bulb that stores carbohydrates, giving energy for emergence foliage and floral scapes; it most cultivated holds economic value as potted plant cut flower (Leszczyñska-Borys Borys, 2001). September 2024, survey was conducted at Center Research in Horticulture Native Plants (18°55'55.6"N 98°24'01.4"W) UPAEP University, where an average temperature 25 °C 75% relative humidity (RH)...

La investigación se realizó en el ciclo 2020, con objetivo de determinar las características químicas del suelo y calidad agua los municipios Miahuatlán Porfirio Díaz Ejutla Crespo, Oaxaca, México. Se muestreo agua, determinó contenido cationes, aniones variables agua. En registró alta concentración Ca2+ Mg2+ valores promedio hasta 19.20 19.42 mEq L-1 respectivamente. Ca2+, HCO3- 4.79, 4.32 7.97 Según SP, RAS, IS CSR clasifica como adecuada para riego. concluye que uso ácidos es necesario...

Maize is the main crop for Mexicans; however, it affected by species of fungi causing ear rot. This research aimed to evaluate effect T. asperellum T11, harzianum T1 4 y longibrachiatum 40 on some agronomic variables four maize genotypes. The seeds genotypes H-515, Zapata 7, and H-507 were treated with a suspension Trichoderma spp. 1 × 108 spores mL-1, using control (untreated seed), Benomyl as chemical control. planting was in Morelos, completely random block design factorial arrangement....

<p><strong>Background.</strong> Fall Armyworm (FAW) is one of the most damaging agricultural pests found in Western Hemisphere, and it now key on several crops America, Africa, Oceania, Asia; becoming a major threat to food safety many countries, due losses caused farmers.<strong> Objective.</strong> Review current knowledge FAW resistance active ingredients world. <strong>Methodology. </strong>A systematic study was carried out by collecting...

In the last two decades, unprecedented changes have taken place in frequency and severity of wildfires; different regions world, some fires were even classified as megafires. Although there are studies about diverse effects fire, which made significant theoretical contributions, a comprehensive review fire research is required to understand worldwide patterns, particularly those countries where activity on rise, such case Mexico. The objective this study was analyze trends wildfires...

The objective of this research was the morphomolecular identification species genus Fusarium associated with native and commercial maize genotypes in municipalities Puebla Morelos, Mexico, as well to describe socioeconomic cultural importance cultivation. were isolated from grains stem cuttings purple, brown, dark brown pigmentations. They identified morphomolecularly by using taxonomic keys Dinocapture 2.0 software, DNA extraction CTAB method amplification ITS1 ITS4 region PCR. Four...

Maize (Zea mays L.) is the most representative crop of Mexico, mainly because its social, cultural, and economic importance. The objective this research was to identify genotypes with natural resistance damage by fall armyworm, Spodoptera frugiperda (J.E. Smith), corn earworm, Helicoverpa zea (Boddie), their relationship ear rot caused Fusarium spp. Link (Nectriaceae). Samples were collected from September November 2019 hybrids native maize in nine plots Puebla Morelos states. Ear pathogens...

Objective: The objective of the research was to evaluate in vitro, greenhouse and field conditions, effectiveness biological, botanical chemical pesticides for control Macrophomina pseudophaseolina. Design/methodology/approach: In experiments were carried out effect different M. Results: It determined that all evaluated strains Trichoderma spp. they had a fungistatic against pseudophaseolina, T. reesei showed greatest antagonism antibiosis High, medium low doses NeemAcar® high Regalia® Maxx...

Objective: Evaluate the effect of fire on natural regeneration and forest species diversity in a medium superennifolia southeastern Mexico. Design/methodology/approach: Natural was classified into three height categories (0 to 30 cm, 31 cm 1 m 3 m) trees sites burned unburnt by fire. Results: A total 1193 individuals belonging 69 29 taxonomic families were recorded. Regeneration from 0 presented significant differences sites, while sites. Limitations study/implications: These types studies...

El daño causado por el gusano cogollero, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) causa pérdidas de rendimiento en sorgo Sorghum bicolor (L.) Moench (Poaceae) y disminuye valor del cultivo, causando grandes económicas al productor. foliar se analizó bajo infestación natural cogollero líneas experimentales utilizando la escala puntuación Davis, grano evaluó 120 días después siembra. Los datos procesaron con un análisis varianza (ANOVA) una prueba correlación software R...

Sorghum is cultivated in tropical and subtropical regions of the world an important cereal for Mexico. However, it affected by different pests, especially yellow aphid. The objective research was to evaluate effectiveness biological, botanical chemical insecticides reducing Melanaphis sacchari populations sorghum plants under greenhouse conditions. Planting conducted a greenhouse, using hybrid 945-M. Pests, diseases weeds management were implemented. incidence aphid induced artificially. A...

Asian soybean rust (Phakopsora pachyrhizi) is one of the main diseases in crops. In Mexico, there limited knowledge regarding its management, therefore objective this research was to evaluate effect mixtures fungicides families: Carboxamides, Strobilurins, and Triazoles on incidence, severity, fungicide efficiency, yield variety ‘Huasteca 700’. Three commercial combinations were evaluated: Tebuconazole + Trifloxystrobin, Fluxapyroxad Pyraclostrobin, Cyproconazole Azoxystrobin, with...

Objective: To evaluate the biological effectiveness of progressive doses herbicide Condraz® (tritosulfuron + dicamba) in post-emergence dicotyledonous plants grown consortium with corn a greenhouse. Design/methodology/approach: The research was performed out greenhouse within facilities Colegio Superior Agropecuario del Estado de Guerrero. Dekalb 357® established, planted sunflower, to measure response different dosages dicamba). We worked completely randomized block experimental design...

El uso de herbicidas químicos para el control malezas es una práctica ampliamente adoptada en la agricultura moderna debido a su eficacia, no obstante, plantea problemas significativos, tales como: contaminación del suelo y agua, así como resistencia por parte especies arvenses, decir, aquellas que son difíciles controlar al aplicar los mismos ingredientes activos, lo lleva productor realizar aplicaciones constantes o dosis mayores.

<title>Abstract</title> <bold>Background</bold> The phytochemicals that include both primary and secondary metabolites of the plants are great interest in a variety sectors, including agricultural, pharmaceutical cosmetic. Recently, it has been recognized SMs could be used as basis to develop biopesticides. objective this research was identify quantify compounds present aqueous ethanolic extracts from orange lime rind state Guerrero, Mexico. <bold>Methods </bold>The study characterize...

Objective: Evaluate the adaptation of calves in transition from intensive to dual-purpose system during extreme drought. Design/methodology/approach: The study was carried out Tamaulipas, Mexico with an Intensive Production System (IPS) Ciudad Victoria a Dual-Purpose (DPS) located Altamira. Two groups Swiss×Gyr×Holstein cross were analyzed, control group (CG; n = 8) born DPS, and adapted coming IPS (GA; =6), zoometric measurements recorded: height at withers, length animal, chest...

El objetivo del presente trabajo, fue evaluar in vitro, mediante cultivo dual la capacidad antagónica de las cepas Trichoderma asperellum T11, harzianum T1 4, y longibrachiatum 40 sobre hongos asociados; Alternaria arborescens, Bipolaris shoemakeri, victoriae, Epicocum sorghinum, Exserohilum longirostratum, Fusarium brevicatenulatum, Penicillium polonicum, Phaeocytostroma ambiguum equiseti, el muestreo se realizó en Tepalcingo, Morelos tallos maíz experimento estableció laboratorio...

A nivel mundial México ocupa el quinto lugar en producción de mango (Mangifera indica L.) con 232,643 t.

Mexico ranks first worldwide as the largest mango exporter is one of more produced tropical fruits worldwide. The need for strategies protection crops, environment and people leads us to investigate disease control methods. use resistant cultivars most important. In addition, it advantageous producer because will reduce cost control. objective this research was evaluate natural resistance two against anthracnose, using different spore doses times evaluation. sampling performed on April 15th,...

El cultivo de maíz es la base alimentación para México, el objetivo este trabajo fue identificar micobiota en cuatro genotipos Saltillo, Coahuila y Tepalcingo, Morelos. Se realizó acuerdo a prueba papel secante congelamiento, se tomaron 1000 semillas por cada genotipo, las cuales desinfectaron con hipoclorito sodio al 3 % (2 veces) posteriormente enjuagaron agua destilada 1 min. veces). La siembra realizada charolas plástico 18.5 x 25 cm, sobre estéril previamente humedecido, mantuvieron...

The objective of the research was to evaluate effect relative humidity (RH) and moisture content (MC) on incidence pathogenic fungi seeds Agave lechuguilla, Lippia graveolens, Nolina cespitifera. Seeds were stored 90 days at 60, 75, 80, 85% RH, results processed with a correlation analysis in R software using Spearman test. Higher (FI) found from 10 20% RH; however, between RH MC positive r = 0.311 <math xmlns="http://www.w3.org/1998/Math/MathML" id="M1"> <mi>p</mi> <mo>=</mo> <mn>2.2</mn>...

Thirty accessions of cotton (Gossypium) in the INIFAP genebank Iguala Experimental Field were analyzed for resistance to eriophyid mites. Vegetative structures such as leaves and petioles reproductive bract calyx with galls collected from plants. Galls cut into cross section locate mites; taxonomic keys used identify Damage was evaluated on a scale six classes. by mites PROC RANK, subjecting it analysis variance GLM, mean comparison Tukey (P = 0.05) using statistical software SAS® 9.2....

Potato is one of the main crops worldwide. It this research, antifungal activity in vitro paraquat and glyphosate were evaluated for Rhizoctonia solani control. R. was identified from potato tubers collected out at open markets Saltillo, Coahuila, Mexico. Two types herbicides applied: glyphosate, four different dosage treatments of: 10, 100, 1 000 10 &amp;mu;L. One 5 mm diameter PDA disc with mycelium placed center Petri dish, a radial registry fungal every 24 h 192 h. Pathogen by...

&lt;p&gt;&lt;strong&gt;Background.&lt;/strong&gt; Tomato is an important crop in Mexico, due mainly to its economic profitability. &lt;strong&gt;Objective. &lt;/strong&gt;The objective of the research was identify agent associated with early blight tomato at Morelos. &lt;strong&gt;Methodology.&lt;/strong&gt; Samples diseased plants were taken from a greenhouse Jantetelco country Morelos state and laboratory. Later, 1 cm cuts healthy tissue made which disinfected 3% sodium hypochlorite for...