Introduce: CHAPTER 4 INSECTS THAT HARMFULLY DAMAGE INDUSTRIAL PLANTS The content of the article focuses on the composition, harmful symptoms, morphological characteristics and control measures of some major pests on sugarcane and coconut trees. Target: Knowledge: + Present the composition of ...
It is necessary to create an open canopy so that light can penetrate inside the canopy. The canopy creation work must be done from the beginning and the branches must be monitored and pruned annually. In gardens lacking light, not only do diseases develop such as leaf spot disease. but many types ...
Pineapple, soursop. In the Mekong Delta, sticky bugs also appear on coconut, guava, mango, and cycads. * Harmful symptoms On citrus trees, aphids often appear in white patches, they often attack the main trunk and branches of the tree. High density of aphids and occurring over a long period of time ...
Loyal to clusters on the tuber, when cutting the tuber you can see the lines go deep into the tuber flesh with a characteristic foul smell and bitter taste. Figure 1.38: Damage symptoms of tuber borer 1.4 Important insect pests on taro a) Stem hopper Tarophagus proserpina Family Delphacidae - Order ...
