Grey mould

diseased plants or plant parts in a closed plastic bag In tomato: prune with a knife and not by hand, to avoid rugged, irregular wound surfaces In cucumber: [...] fungus in many environments. It survives in plant parts like bulbs and crop residues or as sclerotia (drought- and cold-resistant structures) in the soil [...] of the plants. In cucumber and tomato the fungus causes lesions on pruning wounds. These lesions may encircle the stem, so the part of the plant above the

Black leg of seedlings

affects roots, in particular those of seedlings. Infected plants lag in growth. Seedlings fall over (‘damping-off’). In slightly older plants, the leaves [...] yellow, for example in flower bulbs. At first, the plants recover during the night, but later the plants wilt irreversibly. In potted plants the flower buds [...] survive very well in the soil or substrate in the absence of plants. Many species are entirely saprophytic, so these do not harm plants. How to prevent Black

Bacterial wilt, brown rot

vessels. In potato, it is tuber-borne. Spread from plant to plant results from bacteria moving from the roots of infected plants to neighbouring plants. The [...] dangerous in temperate regions. It survives well in water and in many different soil types and on alternative hosts like weeds. It invades the plants through [...] potential host plants. Damage symptoms In potato, field symptoms of Ralstonia solanacearum are wilting and yellowing of leaves and stunted plants. Inside, vascular

Life cycle of aphids

Fusarium spp.

system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant. Most Fusarium species [...] Fusarium species. Higher up in the plant, the microconidia germinate and infect the surrounding tissue. On infected plant parts, the typical boat-shaped [...] water) Use clean substrate in greenhouse crops Disinfect tools, machinery and irrigation water in greenhouses Prevent plant stress Ensure that soil drainage

Rhizoctonia solani

tools and in soil particles and via movement of plant parts. The fungus grows from plant to plant and from the soil upward, therefore the lowest plant parts [...] balanced and adequate Avoid planting/seeding very early in the season when growth will be slow Prevent plant diseases by optimizing plant potential and crop resilience [...] cucumeris depend on the time of infection. In general, the fungus causes symptoms on all plant parts that are in or close to the soil. Early infection of

Fusarium wilt

the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem vessels which can be seen when the stems are cut. In banana [...] system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant. Most Fusarium species [...] Use clean substrate in greenhouse crops Disinfect tools, machinery and irrigation water in greenhouses Prevent stress for the plants Ensure there is adequate

Bacterial canker of tomato

touching the plants in greenhouse crops and by water in field crops, for example through splashes of rain or irrigation. Both in greenhouses and in the field [...] infect the new plants by entering through wounds and then growing into the vessels of the plant. Plant growth is inhibited and the plant wilts because the [...] eradicate the infection. In tomato, growers must either destroy the infected crop entirely or, if the crop is old, only the plants in the infected area, with

Trianum G Label 20kg

Pumpkins, Squash In-furrow 2.5 - 6.0 lbs. / ½ acre Flowers, Bedding Plants, and Ornamentals In-furrow Greenhouse planting mix Nursery planting mix Nursery [...] as an inoculant to soil, planting mixes or turf, grows onto plant roots as they develop and provides protection against plant root pathogens such as Pythium [...] Trianum® G can be used in combination with or in rotation with other fungicides, insecticides, miticides, fertilizers or micronutrients in accordance with the

Crazy roots, hairy roots, crown gall

by a change in the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and causes [...] system Prevent contact between the plant roots and the gutters in greenhouses Prevent plant diseases by optimizing plant potential and crop resilience. [...] tumours on underground plant parts and on the crown. Furthermore, infection is characterized by excessive root growth (crazy roots). In greenhouse vegetables