and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake of…
situation. Environmental conditions For optimal results the soil has to be moist, rich in organic matter and have a loose structure. The minimum…
young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to…
young plants. Retarded growth and defoliation reduce yield, Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to…
appearance of Horse-chestnut leaf miner The adult moth is 4-5 mm long and a rich brown colour with bright white chevrons edged with black. The larvae…
of Stratiolaelaps scimitus For optimal results the soil has to be moist, rich in organic matter and have a loose structure. The minimum temperature…
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