Fruit & Vegetable Production - GAP, IPM, Pest Control, Weed Control, Organic

Grape Powdery Mildew

Powdery mildew, caused by the fungus Erysiphe necator (syn. Uncinula necator), is one of the most prevalent and easily recognized plant diseases afflicting grape vines in New Mexico. It appears as a dusty white-gray or greenish-white coating on leaf surfaces or other above-ground plant parts. The...
Bernd Maier
Natalie Goldberg
New Mexico State University

Rootstocks for Size Control in Apple Trees

Modern orchards are being developed with small (dwarf) trees at close spacing. The proper distance for setting the trees varies with the variety selected and the fertility and water-holding capacity of the soil. A dwarfed tree is produced by grafting or budding a desired variety onto a special...
Esteban Herrera
New Mexico State University

Estructura y diversidad arbórea en el sistema agroforestal de piña bajo sombra en el occidente de México

Se describe la estructura y la diversidad arbórea del agroecosistema de piña, el cual se desarrolla como componente principal del sotobosque en el bosque tropical subcaducifolio y encinares caducifolios, con combinaciones de especies introducidas, revelando un característico...
Jesús Juan Rosales Adame
Ramón Cuevas Guzmán
Stephen R. Gliessman
Bruce F. Benz
Tropical and Subtropical Agroecosystems

Illustrated Guide to Soil Taxonomy

The “Illustrated Guide to Soil Taxonomy” is presented in four parts, each covering a specific aspect of the USDA’s soil classification system (Soil Taxonomy). It is a PDF document designed for use on a PC, tablet, or smart phone. Each part contains many internal links, and...
Janis Boettinger
Joe Chiaretti
Craig Ditzler
John Galbraith
Kim Kerschen
Cam Loerch
Paul McDaniel
Shawn McVey
Curtis Monger
Phillip Owens
Mickey Ransom
Kenneth Scheffe
Joey Shaw
Mark Stolt
David Weindorf

Tomato fertilization using ammonium and nitrate in split roots in hydroponics

The effects of ammonium and nitrate on hydroponic tomato crop have been studied since hydroponics is used as a means of commercial production. In general, it has been found that small proportions of ammonium improve plant growth and yield. However, these studies were carried out with all the roots...
Esteban Arturo Rivera-Espejel
Manuel Sandoval-Villa
María de las Nieves Rodríguez-Mendoza
Carlos Trejo-López
Rosalino Gasga-Peña
Revista Chapingo Serie Horticultura

Fertilización de tomate con nitrato y amonio en raíces separadas en hidroponía

Los efectos del amonio y nitrato sobre el cultivo de tomate hidropónico se han estudiado desde que la hidroponía se utiliza como un medio de producción comercial. Se ha encontrado que pequeñas proporciones de amonio mejoran el crecimiento y el rendimiento de las plantas...
Esteban Arturo Rivera-Espejel
Manuel Sandoval-Villa
María de las Nieves Rodríguez-Mendoza
Carlos Trejo-López
Rosalino Gasga-Peña
Revista Chapingo Serie Horticultura

Southeast Regional Bramble Production Guide

The bramble (blackberry and raspberry) industry has recently undergone a significant change in the southern United States. The release of high quality and productive blackberry cultivars from the University of Arkansas breeding program, escalating fuel prices, and the high perishability of...
Gina E. Fernandez
Gerard Krewer
NC State University

Preparation of fungal inoculum for leaf litter composting from selected fungi

Fungi are the major degraders of organic matter in natural environments, and almost every naturally occurring organic compound can be degraded by one fungus or another. An enormous range of organic compounds can be utilized by fungi, especially the major organic compounds such as cellulose, xylan...
Bambang Irawan
Rina Sri Kasiamdari
Bambang Hendro Sunarminto
Endang Sutariningsih
ARPN Journal of Agricultural and Biological Science

Apple Diseases Identification Sheet

Contents Symptoms Apple Scab Fire Blight Cedar Apple Rust The Summer Rots Sooty Blotch and Fly Speck Key Low-Spray and Organic Solutions  
ATTRA Specialists

Efecto del riego y la cobertura del suelo sobre la productividad de dos cultivares de ají dulce

Se realizó un experimento en el sistema de riego sector Perú-San Vicente, municipio Maturín, estado Monagas, con el objetivo de determinar la lámina de riego más apropiada para dos cultivares de ají dulce (Capsicum chinense Jacq.) bajo cobertura de suelo....
José A. Gil-Marín
Nelson J. Montaño-Mata
Ramiro Plaza