toediening is die osmotiese druk aan die buitekant van die hifes groter as die osmotiese gradiënt wat in die hifes is. Dit lei tot die versteuring van…
tomato types are so-called ‘tender’ or ‘half-hardy’ perennials. The plants die every year in temperate climate, but in greenhouses they can sometimes…
shoots and branches. The fruit can be affected at all stages and may even die. The stem can also be severely infected and appear completely covered…
arrested and the flower buds are so badly affected that they shrivel and die. Damaged strawberry leaves are wrinkled and irregularly folded. Affected…
as more cell sap is removed, the leaf, and eventually the whole plant may die. The nymphs and adults also produce webs, and plants can be completely…
tissue and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black dots of their…
as more cell sap is removed, the leaf, and eventually the whole plant, may die. In tomatoes and cucumbers, as little as 30% damage of the leaf surface…
which can be seen when the stems are cut. In banana, whole plantations may die and the soil may not be suitable for planting for many years to come.…
the pathogens. The cell walls of the pathogens break down and the pathogens die. • Strengthening of the plant Trianum improves the root system…
tissues and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black dots of their…
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