varieties and cultivars has been developed for commercial propagation and production. The current, commercially cultivated chrysanthemums are more…
perennial true grass genus, Saccharum , of the family Poaceae . In terms of production quantity, it is the world’s largest crop. Over time, sugar cane…
Kenya, Nigeria and Niger, with the latter two accounting for 66% of world production. Cowpeas can be erect, semi-erect (trailing) or climbing. Out of…
lesser extent, tangelos. Oranges account for the greatest value in terms of production; followed by grapefruit, lemons and tangerines
reduces flower and fruit production. In ornamental crops, the mere presence of mealybugs is sufficient to render the product unfit for sale. A very…
leaves. It is, however, often plagued on by a number of insect and mammal pests and fungal and bacterial diseases, and can suffer numerous nutrient…
spider mite General Two-spotted spider mite ( Tetranychus urticae ) is a pest of many crops throughout the world. Despite their small size, they are…
Monitoring
Helicoverpa armigera Cotton bollworm General The cotton bollworm ( Helicoverpa armigera ) occurs in the tropics and sub-tropics of all continents…
polyphagous, feeding on plants of more than 20 families. It is a serious pest in greenhouses, where it feeds on ornamental plants such as…
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