نتایج جستجو برای: apple growers

تعداد نتایج: 23546  

2008
Romica TRANDAFIR

Apple scab, Venturia inaequalis, is the most serious fungal disease of apple in Romania. The fungus attacks foliage, blossoms and fruits by defoliating trees and rendering fruit unmarketable. In addition, to cultivated apple, apple scab also attacks flowering crabapple, mountain ash and firethorn.. A simple system for apple growers to monitor environmental weather data (temperature and leaf wet...

2014
Andrew G. S. Cuthbertson Bao-Li Qiu Archie K. Murchie

The increasing concern over the continued use of pesticides is pressurising apple growers to look for alternatives to chemical pest control. The re-discovery, and subsequent conservation, of the beneficial predatory mite, Anystis baccarum (Linnaeus) (Acari: Anystidae), in Bramley apple orchards in Northern Ireland offers a potential alternative control component for incorporation into integrate...

2015
Janna Beckerman

The management of common apple diseases relies heavily on effective fungicide applications. However, the evolution of fungicide resistance by many pathogens has resulted in management failures and significant economic losses. With time and the increasing development of fungicide resistance in apple scab, and possibly bitter rot, more and more apple growers rely on Captan, an older fungicide, be...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
نیر السادات طبائیان دانشگاه کشاورزی و منابع طبیعی رامین، اهواز عبدالعظیم آجیلی دانشگاه کشاورزی و منابع طبیعی رامین، اهواز کورش رضایی مقدم دانشکده کشاورزی، دانشگاه شیراز

utilization of effective instruments in support of and to provide economic safety for active population in the agricultural sector and towards an increase in production is an indispensable necessity. agricultural crop insurance is one of these instruments. the purpose of this paper is to investigate the factors affecting an adoption of agricultural crops’ insurance among apple growers in semiro...

Journal: :Historia, ciencias, saude--Manguinhos 2010
Jó Klanovicz

The article explores the links between the controversial apprehension of contaminated apples in southern Brazil in 1989 and the reactions of the apple industry to press reports on the use of pesticides in Brazilian orchards. The issue is framed within a broader analysis of the notions of toxicity and 'danger' surrounding the consumption of healthier food and the idea of 'food security,' notions...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
علی اسدی استاد دانشکده اقتصاد و توسعه کشاورزی دانشگاه تهران احسان قلی فر دانشجوی دکتری ترویج کشاورزی دانشگاه تربیت مدرس مرتضی اکبری دانشجوی دکتری دانشکده اقتصاد و توسعه کشاورزی دانشگاه تهران

the increasing trend in agricultural wastes is one of the most important challenging problems in most countries, especially the developing ones. policymakers and researchers being on the alert, do their best to reduce these wastes. the main purpose followed in this study, done in 2007, was to investigate the factors affecting the level of wastes of apple in zanjan province, iran. the study popu...

Journal: :اقتصاد و توسعه کشاورزی 0
طبائیان طبائیان آجیلی آجیلی

abstract the purpose of this paper is to investigate the factors affecting adoption of agricultural crops insurance among apple growers in semirom and eghlid shahrestans and determining the best model. a survey was conducted using the stratified random sampling. data were collected by questionnaire from 240 adopters and 157 non – adopters. the results showed that adopters of insurance are more ...

Journal: :Journal of the Northeastern Agricultural Economics Council 1975

Journal: :Current Biology 2001
N Williams

Researchers in New Zealand have cloned and characterized a gene which, when disrupted, allows apples to develop without seeds. This highly prized trait, fully developed in only a handful of other fruits, has proved a big bonus for growers and consumers alike. What's more, in apples the phenotype might offer other potential advantages for growers of this often difficult crop. Thousands of apple ...

2015
Neelendra K. Joshi Edwin G. Rajotte Clayton T. Myers Greg Krawczyk Larry A. Hull

Codling moth (CM), Cydia pomonella (L.) (Lepidoptera: Tortricidae) is a major fruit feeding pest of apples. Understanding susceptibility differences of various apple cultivars to CM oviposition is an important step in developing resistant varieties as well as monitoring and management strategies for this pest in apple orchards planted with mixed-cultivars. In this context, oviposition preferenc...

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