Pollination checklist tomato

days. Introduce a new bumblebee hive once the number of bite marks has dropped to just one or two per flower. Pollen is released best at a relative humidity [...] insufficient or extreme growth, extreme climate conditions and the influence of chemicals on the plants or flowers. Bumblebees maintain a constant temperature [...] humidity (RH) of between 50% and 80%. A relative humidity of more than 80%-85% will result in pollen not being released and the bumblebees will become inactive

Grape powdery mildew

becomes malformed and discoloured. The powdery pustules subsequently become grey and finally dark coloured. Shredding of flowers and poor fruit set due [...] fungus consists of mycelium, conidiophores and conidia. Dormant mycelium and conidia in infected shoots and buds spread through air from plant to plant [...] Veni GoKlean at the rate 1.25 to 1.5 ml per litre of water at 12-15 days intervals as preventative spray and or after recognition of the disease symptoms

Cercospora leaf spot

Veni GoKlean at the rate 1.25 to 1.5 ml per litre of water at 12-15 days intervals as preventative spray and or after recognition of the disease symptoms [...] humidity favours the spread of the disease and severity. The fungus has the ability to overwinter in plant debris and remains in the field for long time. Management [...] circular with small to large grey centres and dark brown margins. The spots may enlarge to 1 cm to more and later coalesce. The spots dry up results in

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Amazone Plants continues the path of organic cultivation

in 2020. A remarkable move ‘Well, we had ten good weeks, Fred and I said to each other when the coronavirus crisis erupted and exports came to a standstill [...] the insect netting at a good rate over a longer period. This means that there is always a strong population in the greenhouse crop and control of the thrips [...] aphids (predominantly peach potato aphids and glasshouse potato aphids ), and Duponchelia moths. Amazone Plants uses a variety of beneficials to keep these

Knowing & recognizing

stics. Shop now Koppert - A knowledge company The use of biological control is not a simple process, it has become a complex system in which many aspects [...] edition of Knowing and recognizing also includes new biopesticides and biostimulants that increase the plant’s resilience to stress and help the plant to [...] crop protection Knowing and recognizing does exactly what it implies. It empowers you with knowledge about the pest’s lifecycle and its many phases, as well

Tea mosquito bug

Helopeltis antonii attack cashew nut guava, neem and tea. Damage symptoms Helopeltis is a sucking pest. Nymphs and adults are damaging stages which suck the sap [...] punctured snot to dry and die, curling of leaves, badly deformed and eventually fall off. The infested shoot also shows same such spots and subsequently drying [...] torched by fire. Life cycle and appearance Adult is slender 6 - 8mm long, black colour with red thorax, black and white abdomen and greenish brown wings. Females

Pomegranate bacterial blight

Relative humidity above 50% and temperature between 25 - 30 0 C, over-use of nitrogen fertilizer, micronutrient deficiency and reduced plant health leads [...] defoliation. The pathogen also infects branches and stem as water soaked necrotic spots causing girdling and cracking symptoms. Necrotic water-soaked spots [...] weather favours the disease development and further spread. Management Spray Veni GoKlean at the rate of 1.25 to 1.5 ml per litre of water at 10 to 12 days intervals

Chilli thrips

short and completed in 15 to 20 days as many as 25 overlapping generations per year. Reproduction is both by sexual and partheno-generic. Larvae and adults [...] damage a wide variety of crops, including ornamentals, vegetables, and fruits, this species poses challenges due to its rapid reproduction and widespread [...] whitish to yellow and kidney shaped. Nymphs are tiny, slender, fragile and yellowish straw in colour. Adults has heavily fringed wings and grey in colour

Brown root rot, corky root rot

by Verticillium or Fusarium . Progressive disease causes more and more destruction of the root system and subsequent loss of vigour and further wilting [...] General Pyrenochaeta lycopersici is a fungal plant pathogen, infecting tomatoes and aubergine. It causes brown root rot and corky root rot. Damage symptoms [...] of soil particles by farm equipment and cultivation practices. However, this fungus is a poor competitor against a balanced microbial population in soil