. Elements of Philippine agriculture. Agriculture. CHAPTER VIII THE LIVING ENEMIES OF CROPS • Kinds of Plant Enemies. Almost all of the lixing enemies of plants are insects or fungi. Besides these there are birds which attack various crops, especially rice; bats, which eat fruit; and wild hogs and monkeys. The means of fighting these enemies are well known, and do not need to be described here. There are also a few diseases caused by bacteria, which have never been studied at all in the Phil- ippines; and a few dis- eases caused by very minute worms. These live in the ground in some localities
. Elements of Philippine agriculture. Agriculture. CHAPTER VIII THE LIVING ENEMIES OF CROPS • Kinds of Plant Enemies. Almost all of the lixing enemies of plants are insects or fungi. Besides these there are birds which attack various crops, especially rice; bats, which eat fruit; and wild hogs and monkeys. The means of fighting these enemies are well known, and do not need to be described here. There are also a few diseases caused by bacteria, which have never been studied at all in the Phil- ippines; and a few dis- eases caused by very minute worms. These live in the ground in some localities and are fig. 36. Locust very hard to kill. Where a plant has a disease caused by something that lives in the ground, it is usually best not to try to grow the plant. As a rule, each of the living things which cause disease attacks a certain kind of plants, and is harmless to all others. INSECT ENEMIES Locusts. 71ie insect enemies of plants are numerous and some of them are very destructive. The most de- structive of all in the Philippines is the locust. There 53. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Copeland, Edwin Bingham, 1873- [from old catalog]. Yonkers-on-Hudson, N. Y. , and Manila, World book company
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