Teolincacihuatl Romero-Rosales

• Doctor of Philosophy
• Professor at Universidad Autónoma de Guerrero

Resumen Se realizó una revisión bibliográfica sobre el caballo (Equus caballus) como animal de trabajo y su contribución en la producción agropecuaria desde su llegada a México hasta la actualidad, con la finalidad de describir la importancia de su uso de una manera sustentable. Se describe desde su taxonomía, origen y evolución, hasta las caracte...

México y la mayoría de los países de Latinoamérica presentan manejo deficiente en la producción de forrajes, al ser factor determinante en la alimentación animal. El objetivo fue evaluar la producción de forraje y proteína cruda de Crotalaria juncea L. sembrada a diferente densidad de siembra y cosechado a diferente época de corte, en la Costa Chic...

Calyx spot and vascular wilting are diseases that considerably limit hibiscus production in Mexico. However, the mechanisms of inoculum dissemination are unclear. Seeds are the main method of propagation in hibiscus cultivation. This study aimed to evaluate the seed transmission of fungi associated with calyx spot and vascular wilting in roselle. T...

Calyx spot and vascular wilting are diseases that considerably limit hibiscus production in Mexico. However, the mechanisms of inoculum dissemination are unclear. Seeds are the main method of propagation in hibiscus cultivation. This study aimed to evaluate the seed transmission of fungi associated with calyx spot and vascular wilting in roselle. T...

The purpose of equine reproduction is to produce specimens with the desired genetic characteristics to have satisfactory performance in different equestrian activities. Mares are characterized by being seasonal polyestrous, presenting their estrous cycle every 21 days on days with the greatest number of daylight hours (spring-summer). However, this...

Background: Mexico is the third producer and the first exporter of papaya in the world. The crop has multiple phytosanitary limitations, among which anthracnose stands out, which can cause substantial production losses. The main management method is with chemical synthesis fungicides. Objective: To evaluate treatments with biorational characteristi...

The fabacean Enterolobium cyclocarpum is a tree with multiple uses in production systems and its fruits serve as food for livestock, in addition, they contain phenolic compounds. The ovicidal effect of the secondary compounds of the Enterolobium cyclocarpum fruits extracted with hydroalcoholic solvent (HA-E) and the aqueous (Aq-F) and organic (AcOE...

Scyphophorus acupunctatus (Coleoptera: Dryophthoridae), ataca diversas especies de agaves silvestres y cultivados en México. El manejo de este insecto se dificulta debido a sus hábitos de alimentación en tallos y hojas de agave. Recientemente, se ha desarrollado un sistema de trampeo basado en feromona de agregación sintética y cebo alimenticio par...

The whitefly, Bemisia tabaci Genn. (Hemiptera: Aleyrodidae), is a plague of critical importance in zucchini squash, as it causes direct damage by feeding and indirect damage by virus transmis- sion. The objective of the study was to evaluate the insecticidal effect of biorational and conven- tional formulations on whiteflies in zucchini. The study...

Epidemiologically Haemonchus contortus is the most important parasite in the tropics, females can produce up to ten thousand eggs and blood feed. As objective, it was evaluated the in vitro effect of the secondary compounds of Guazuma ulmifolia leaves extracted with hydroalcoholic (HA) solvent and by fractionation in liquid-liquid layer with ethyl...

p> Background. Mexico has a great diversity of chili peppers, especially in C. annuum L., which includes local morphotypes that have been little studied. Apaxtleco chili pepper is only found in Guerrero State, Mexico, and it is important in Apaxtla region due to economic resources it generates, and because it is used in preparation of typical mole...

The objective of this research was to identify the families of mites associated with wild blackberry (Rubus fruticosus L.), know its space distribution and population fluctuation in Telcruz is located in the Municipality of Cuautitlán de García Barragán in the State of Jalsico, Mexico. A total of 1,836 mites were collected, corresponding to three o...

Thirty accessions of cotton (Gossypium) in the INIFAP genebank in the Iguala Experimental Field were analyzed for resistance to eriophyid mites. Vegetative structures such as leaves and petioles and reproductive structures such as the bract calyx with galls were collected from cotton plants. Galls were cut into cross section to locate mites; taxono...

The use, exploitation and situation of three types of torojil belonging to the Lamiaceae family are described; Clinopodium mexicanum, Satureja mexicanun and Agastache mexicana subsp. mexicana, distributed in different municipalities of the state of Guerrero, Mexico, through the empirical knowledge of local inhabitants. To obtain the information, a...

Haemonchus contortus is a gastrointestinal parasite of small ruminants. The objective was to evaluate the effect of the acetonic and ethanolic extract of the Caesalpinia ciriaria fruits on the egg hatching inhibition (EHI) of Haemonchus contortus in small ruminants. The inhibition effect of hatching was evaluated at different concentrations of the...

Haemonchus contortus es un parasito gastrointestinal de los pequeños rumiantes. El objetivo del estudio fue evaluar el efecto del extracto acetónico y etanólico de frutos de la leguminosa Caesalpinia coriaria sobre la inhibición de la eclosión de huevos (EEI) de H. contortus en pequeños rumiantes. Por éste efecto se evaluó a diferentes concentracio...

Objective: To evaluate the insecticidal effectiveness of biorational and conventional products as alternatives to control thrips and their phytotoxic effects in strawberry cultivation. Design / methodology / approach: The research was carried out in strawberry cv. Camino Real during its flowering stage - fruiting established in open ground; A compl...

México es el séptimo productor de jamaica (Hibiscus sabdariffa), y el estado de Guerrero concentra más del 70 % de la producción nacional. El cultivo presenta limitantes fitosanitarias importantes, destacando la “pata prieta” asociada a un complejo de patógenos (Fusarium oxysporum y Phytophthora parasitica), con pérdidas de hasta 100 % en áreas sin...

Size, imbibition, and viability of seeds of two creole melon (Cucumis melo L.) from the state of Guerrero, Mexico ABSTRACT Objective: To determine the physical and physiological characteristics of Creole melon seeds from the Costa Chica of Guerrero. Design/Methodology/Approach: It was established under a completely randomized design, and Student's...

The prickly pear cactus “tuna pelona” (Stenocereus zopilotensis), is an endemic cactus species from the state of Guerrero, Mexico, it develops in semi-arid areas and has great ecological importance as it houses and forms part of the diet of multiple species in its niche. There is a constant threat to natural populations of this species due to...

Background: Mexico is the seventh largest producer of jamaica in the world, Guerrero represents the entity with the largest area planted and produces >60% of the country's jamaica. The crop has numerous phytosanitary limitations, among which the chalice staining associated with a fungal complex stands out. The main damage occurs in flowering, repor...

Objective: To determine the physical and physiological characteristics of Creole melon seeds from the Costa Chica of Guerrero. Design/Methodology/Approach: It was established under a completely randomized design, and Student's t-test (α=0.05) and correlation with Pearson's test were performed. Viability and imbibition were carried out using the met...

Antecedentes: México es el séptimo productor de jamaica en el mundo, Guerrero representa a la entidad con la mayor superficie sembrada y produce más del 60 % de la jamaica del país. El cultivo presenta numerosas limitantes fitosanitarias, entre las que destaca el manchado de cáliz asociado a un complejo de hongos. El principal daño se presenta en f...

The prickly pear cactus “tuna pelona” (Stenocereus zopilotensis), is an endemic cactus species from the state of Guerrero, Mexico, it develops in semi-arid areas and has great ecological importance as it houses and forms part of the diet of multiple species in its niche. There is a constant threat to natural populations of this species due to the o...

La enfermedad Pata Prieta en jamaica (Hibiscus sabdariffa L.) es ocasionada principalmente por Phytophthora parasitica Dastur y Fusarium oxysporum. Estos patógenos causan pérdidas de producción en al menos 50 % en el estado de Guerrero, donde se siembra la mayor superficie de este cultivo en México. Los fungicidas que se emplean para el control de...

La enfermedad Pata Prieta en jamaica (Hibiscus sabdariffa L.) es ocasionada principalmente por Phytophthora parasitica Dastur y Fusarium oxysporum. Estos patógenos causan pérdidas de producción en al menos 50 % en el estado de Guerrero, donde se siembra la mayor superficie de este cultivo en México. Los fungicidas que se emplean para el control de...

The objective of this work was to evaluate the dynamic of corn and bean production in Mexico. Retrospective analysis was conducted in order to identify critic points, changes and adjustments given in the sector, as a result of Mexican government policies. Data was obtained from SAGARPA, Bank of Mexico, Secretary of Economy and Food and Agriculture...