News & Articles


  1. Crown Rot (Phytophthora Cactorum): Strawberry Disease & Prevention Techniques

    What Is Crown Rot?

    Crown Rot And Its Effect On Strawberry Crops

    Strawberry suffering from Crown Rot (Phytophthora Cactorum)Phytophthora Cactorum is a soil-inhabiting plant pathogen which has grown in prominence over the last 10 to 15 years.

    Often confused with Anthracnose Crown Rot (both are similar, though they exhibit different symptoms, which we’ll explore in more detail below), it’s Phytophthora Cactorum that can lead to the onset of Crown Rot (also known as Vascular Collapse) in strawberry crops.

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  2. Fusarium Wilt: Watermelon Disease & Prevention Techniques

    What Is Fusarium Wilt?

    Watermelon suffering from Fusarium WiltFusarium wilt is one of the most serious watermelon diseases. This post describes the cycle and symptoms of Fusarium wilt and offers management recommendations.

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  3. Rhizoctonia Solani (Black Scurf & Cankers): Potato Disease & Prevention Techniques

    What Is Rhizoctonia Solani?

    Rhizoctonia Solani And Its Effect On Potato Crops

    A potato suffering from Black Scurf (Rhizoctonia Solani)Rhizoctonia Solani is a soil-borne fungal pathogen

    which targets and attacks potato crops the world over, including New Zealand.

    Causing Sclerotia (Black Scurf) on Tubers, as well as Stem and Stolon lesions (Cankers) on younger plants, this fungal pathogen dramatically reduces the quality of both fresh and seed potatoes, and can even impact the establishment of new crops altogether.

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  4. Violet Root Rot (Rhizoctonia Crocorum): Carrot Disease & Prevention Techniques

    Violet Root Rot And Its Effect On Carrot Crops

    A carrot suffering from violet root rot (Rhizoctonia Crocorum)Violet Root Rot is a fungal disease caused by a variation of Rhizoctonia Crocorum, which severely affects carrot crops the length and breadth of New Zealand. This is most commonly seen in the Ohakune region, where it continues to threaten the viability of carrot crops and their growers.

    The disease itself often starts out as a superficial purplish rot, which can also be seen in the carrot’s root threads once the carrot has been lifted from the ground. 

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  5. Pink Root (Phoma terrestris): Onion Disease & Prevention Techniques

    Pink Root And Its Effect On Onion Crops

    An onion suffering from pink root (phoma terrestris)Pink Root isn’t a disease that’s just limited to potato crops. It also has a large, wide-reaching impact on New Zealand’s onion crops. 

    Also referred to by its binomial name – Pyrenochaeta Terrestris – it can be a pain to eradicate, often surviving in the soil, diseased roots and debris of previous crops for several years. It’s here that the disease often spreads either through the soil itself, or is carried on the dirt’s surface by water.

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  6. What Is Specific Apple Replant Disease (SARD)?

    What Is Specific Apple Replant Disease?

    Specific apple replant disease apple treeSpecific Apple Replant Disease (SARD) occurs when apple trees are planted in soil where similar species of fruit trees have been grown previously. Surviving for up to 15 years within dead wood and other organic matter in the affected soil, SARD can severely impact the health, yield and growth of apple trees.

    Affecting all varieties of apple tree – each to varying degrees – SARD occurs worldwide. With the specifics of its causes, and the severity of its impact, varying from region to region, and country to country.

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  7. Soil Fumigation: The Benefits Of Ground Fumigation

    Strip Soil FumigationGround fumigation is a vital process that ensures the healthy – and sustained – growth of a number of crops, including potatoes, carrots, onions, watermelons, and strawberries. To name just a few.

    So whether you’re planting fruit trees, root vegetables or berries, there are numerous benefits you can reap by ensuring soil borne diseases are kept at bay.

    Some of these include:

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  8. Soil Borne Diseases, Soil Pests & Pathogens Affecting New Zealand’s Agricultural Industry

    Soil Borne Diseases, Soil Pests & Pathogens Affecting New Zealand’s Agricultural IndustryThe Agricultural industry is the largest sector of New Zealand’s tradable economy, equating to almost half of the goods exported by New Zealand each and every year. 

    In fact, Agricultural exports were worth some $26.5 billion to the New Zealand economy as of 2012.

    These facts and figures make one thing very clear:

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  9. Chloropicrin Soil Fumigation to Resolve SARD in Apple Tree Monoculture in EU

    SARD – Specific Apple Replant Disease is a complex of soil pathogenic micro flora and abiotic factors, causing sever damage to root and vascular system of apple trees, effecting tree rooting, groth, vigor and yield.

    Read more in the PDF attached (Download – 1MB)

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  • Contact Information

    Leicesters Soil Fumigation
    6 Waitane Place
    PO Box 4036
    Marewa, 4143
    Napier, New Zealand

    Phone: +64 6 843 5330
    Fax: + 64 6 843 5158
    Email: info@leicesters.co.nz

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