Vegetables

On-Farm Assessment of Melon and Cucumber Feedstocks for Downy Mildew and Bacterial Wilt

In this project I will assess resistance to both Bacterial Wilt and Cucurbit Downy Mildew among selected cucumber and muskmelon seedstocks, and move forward with an ongoing project to develop a pickling cucumber that is resistant to both diseases.

Impact of Disease Suppressive Composts on Organic Vegetable Quality, Composition and Yield

Project Objectives

-Analyze several animal manure-based, organic-approved compost products for suppression of important soil-borne pathogens of vegetable crops in the Northeast -Determine applicability of a farmer-based test kit for assessment of compost maturity to predict suppressiveness -Evaluate compost effects on plant stand and crop composition -Determine changes in microbial activity, disease suppressiveness and soil nitrate nitrogen of organically managed soils after addition of a compost 

Aerated compost tea and other alternative treatments for disease control in pumpkins

Objectives Statement a. To investigate the effectiveness of compost tea in suppressing fungal diseases of pumpkins and promoting overall crop health and yields; to demonstrate that compost tea can be an effective tool for managing fungal diseases when used as part of an organic / non-chemical farming system. Modification: The proposal was originally written with potato as the test crop. This was changed to pumpkin to ensure disease presence. b.

Breeding an open-pollinated vegetable variety in organic systems: The Public Seed Initiative

The project objective is to breed a CMV resistant bell pepper using King of the North as a commercial parent. King of the North, which has been provided by Turtle Tree Seeds (located in Copake, NY), is an early, cold tolerant bell pepper variety. It is described as a superior variety for both market and home gardeners that matches or surpasses many hybrids. While seeking to add CMV resistance we do not want to compromise on quality or earliness, but rather improve on these traits that are very important to organic growers. 

Organic certified seed potato production in the Midwest

Our overall goal is to support the growth of an organic certified seed potato industry in Wisconsin. We have addressed this goal by conducting field trials on participating Wisconsin organic farms in order to test organic production methods for seed potatoes that meet certification standards. We used information from our field trials and from published literature to develop educational resources for organic growers on becoming certified seed potato growers using disease testing to monitor potato health and organic management strategies to control common potato diseases.

Weed Suppression Using Brassicaceae Cover Crops in Organically Grown Peppers

The original objectives of this project as stated in the proposal were to: 1) Test the effectiveness of high glucosinolate-containing meals at controlling soilborne diseases (damping-off and white mold of lettuce) in an organic farming system. 2) Determine the influence of these materials on N cycling processes in organic systems. 

Using High-residue Cover Crop Mulch for Weed Management In Organic No-till Potato Production Systems

The overall goals of this project are to (1) optimize potato yield without using chemical herbicides or fertilizers, and (2) disseminate the knowledge and results generated from this study to farmers and agricultural professionals throughout the United States.

The effect of cover crop seeding rate, planting arrangement, and mixture composition on cover crop performance and weed management on organic vegetable farms on the central coast of California

OBJECTIVES

(1) To determine the effect of cover crop seeding rate and planting arrangement on cover crop biomass production, cover crop canopy development, and weed suppression. Seeding rates included a standard rate (1x) typical on farms in the area, and higher rates (2x, 3x). Plant arrangements included a one-way versus a grid drilling pattern. This was the objective of trials 1 to 3.

Integrating conservation of generalist predators and specialist parasitoids in Pacific Northwest organic vegetables

As outlined in our initial proposal our project objectives were as follows: 1) Evaluate in-field refuges for predator conservation and the control of root maggots (Delia spp.) and aphids. 2) Evaluate efficacy of floral plantings for conservation of root maggot and aphid parasitoids. 3) Transmit our findings to growers. 

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