Search

  • Allium (Onion) Leafminer

    … their ovipositor, and both females and males feed on the plant exudates. These punctures may be the first sign of … infestation have been reported: from 20 to 100 pupae per plant, and 100% of plants in fields. The literature suggests … insecticidal control in conventional production systems. Identification Adults: Small (~ 3 mm) long grey or black …

  • Foliar Nematodes on Flowers

    … 10, 2023 Foliar nematodes All of the nematodes that cause plant diseases are very small (0.5 to 0.75 mm), colorless … Most of these nematodes reside in the soil and feed on the plant roots. A few plant parasitic nematode species live in shoots and leaves. …

  • Commercial Bramble Production

    … They are now retired. Saltveit is with the Department of Plant Sciences, University of California, Davis, CA. … Commodity Summaries written by nearly a hundred experts in plant science and postharvest technology. This version, like … vegetable, and ornamental crops. You will find a photo identification guide and recommendations for how to control …

  • Invasives in Your Woodland: Japanese Stiltgrass

    … Updated: May 3, 2022 By Andrew Kling This invasive plant goes by a number of aliases. Besides the most common … are small and hidden, but are self-fertilizing. Each plant can produce 100-1,000 seeds that remain viable in the … feet in height. Although it grows in sprawling mats, the plant itself resembles a miniature bamboo. Leaves are narrow …

  • Glyphosate (Roundup®) Information and Alternatives for Weed Management

    … is systemic (absorbed by foliage and moves throughout the plant) and non-selective (can stunt and kill any plant). But, it has been in the spotlight as a possible … local Master Gardener plant clinic if you need help with identification. Learn to tolerate and accept non-aggressive …

  • Production of Hybrid Lilies for Cut Flowers

    … 6 weeks earlier in mid-February and by allowing them to plant Asiatics and LA hybrids up until early August to obtain a fall harvest. Growers can plant precooled LA bulbs in the field from March through … potato. It does not attack daylilies. Lily Leaf Beetle Identification The adult beetle has a shiny, scarlet-colored …

  • Japanese Maple Scale Woody Ornamental Host Plants

    … size, extended crawler emergence periods, and wide host plant range. The purpose of this fact sheet is to provide practitioners with host plant information that will help to improve and focus their …

  • Managing Vole Damage in Forest Plantations - University of Maryland Cooperative Extension

  • Plant Phenology Images 2

    … Updated: February 9, 2022 The photos below are to help with identification of the phenology plants listed on the Pest … pear in bloom. Callery pears are Tier 2 plants on the MDA Plant Invasive Species list. Star magnolia flower Flowering … in bloom Bridalwreath spirea starting to bloom … Plant Phenology Images 2 …

  • Home Landscape Best Management Practices

    … be three inches or less in depth. Deeper mulch can rob plant roots of water and encourage shallow rooting, which is … as mulch. It robs nitrogen from the soil and can cause plant yellowing. Allow these materials to age for at least 6 … Steps of IPM include: 1. regular monitoring for signs of plant problems and insect pests (use a hand lens for a closer …