sheltered locations in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging
must pass through a pupal instar before reaching the adult stage. Larvae have biting mouthparts and mostly feed on the same food as the adults. The pupae
affecting production. Life cycle and appearance of Black bean aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a
this pupa. The males lack mouth parts and are incapable of feeding. They have a brief lifespan during which they are wholly engaged in seeking females
Race 3 is pretty much restricted to potato and tomato. Whereas other races have optimum temperatures of 35-37 °C, the optimum for Race 3 is 27 °C, which
‘Bumblebees are more active than honeybees at lower temperatures, and we have found that a combination of honeybees and bumblebees is a big improvement
When more than 30 weevils per trap are counted on any occasion crops that have just emerged or will emerge within 10 days are likely to be at risk Appropriate
years. Recent scientific discoveries concerning beneficial microorganisms have led to new practical solutions for growers. This updated edition of Knowing
blotches on the skin. Life cycle and appearance of Rosy apple aphid Aphids have a complex life cycle, with both winged and wingless forms of adults, and
prematurely and drop off. Life cycle and appearance of Codling moth The adults have a wing span of 15-22 mm, blackish-brown forewings, suffused with ash-grey