Phytophthora blight

with a light-green edge. On the stem, elongated brown lesions occur, usually circling the stem. On potato tubers, blueish lesions appear, that can be seen [...] causes the pathogen to be returned to the soil from infected plants. Dispersal in the soil happens via water, since the zoospores can readily move through [...] cultivars when available Prevent over-irrigating and be careful with overhead irrigation since both a high water content of the soil and water splash promote

Orange

oranges. The orange is a hybrid and derives from pomelo ( Citrus maxima ) and mandarin ( Citrus reticulata ). Its genes can be traced to about 25% pomelo [...] sinensis that belongs to the family of Rutaceae . The Citrus X sinensis can be divided into four subgroups, that each have their own characteristics: common [...] the Citrus X sinensis is regarded as a sweet orange, while the fruit of the Citrus X aurantium is recognized as a bitter orange. Recommended for you

Tropicals

warm, sunny months. Commercially, tropical plants can be grown in colder climates, but they must be grown inside of greenhouses and with other forms of [...] of ‘Tropical Plants’, are plants that grow naturally in a tropical climate. Tropical plant is a typical north American term, whereas in other countries [...] and should be located in shadier environments. Because many tropical plants naturally grow near the sea, many species of tropical plants can tolerate higher

Soybean

States. Soybeans are now an important global crop can be used as food crop, but also provide oil and are a major source of protein. [...] soya bean is a so-called legume and indigenous to East Asia. It is extensively cultivated for its edible beans. The fruit of the plant is a hairy pod, that [...] measure 5-11 mm in diameter. Soybean seeds vary greatly in size and the hull can be black or brown, but also blue, yellow or green. When planting soybean plants

Neoseiulus californicus

Make sure the material remains on the leaves for at least a few hours after introduction Can also be applied with (Mini)-Air(o)bug The dosage of Spical depends [...] 25-125 per m2/release. Releases should be repeated at least five times at weekly intervals. Consult a Koppert advisor or a recognized distributor of Koppert [...] spaced in the crop. Release should be repeated after 4 weeks if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert

Charcoal rot

by spores. Microsclerotia can be dispersed in soil particles by farm equipment, people, packing materials etc. The fungus may be transferred on seed but [...] General Macrophomina phaseolina is a common soil fungus in warmer regions, causing charcoal rot. It has a very wide range of host crops, many of which [...] infected plants collapse and die. When the crown is cut, internal symptoms can be seen, such as discolouration of vascular and cortex tissue (outer tissue

Aphidius colemani

spins a cocoon inside the aphid cuticle, causing it to swell. The cuticle turns from a hard, leathery brown to a golden yellow casing, known as a mummy [...] if an aphid is parasitized in a younger stage there will be no reproduction. A male wasp has slightly longer antennae, a rounded abdomen that is shorter [...] from 0.25-4 per m 2 /release. Releases should be repeated at least 3 times. Consult a Koppert advisor or a recognized distributor of Koppert products for

Black rot of carrots

and on crop residues and cause primary infection of the leaves. Survival can be several years, in the case of black rot of carrots ( Alternaria radicina [...] Typically, Alternaria causes spots on leaves, petals and stems. These spots can be distinguished by the dark and brown concentric rings that are caused by [...] during harvest (in potato and carrot). Post-harvest storage at 0-1 o C. A. brassicae and A. brassicicola : adjust the sowing date to avoid conditions conducive

La Hacienda Fresh increases crop profitability thanks to biological control

implementation of a biological control program is one of the key tools that can help you achieve this. This is attested to by La Hacienda Fresh, a company that [...] release in a timely manner... we have seen the impact reflected in a safe environment for the worker and a better quality of fruit for export, since it [...] in Mexico The profitability of a crop is based on the quantity and quality of its fruits and the time in which they can be produced and harvested, the price

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