Host plant resistance (HPR) has been recognized since the early 1800's. ..... feed and travel toward the husk, and eventually inflicting damage ... Ly...
and other environmental factors is the major escape mechanism .... When cotton tannin was added at 0. 1 to 0. 3% to an adequate synthetic diet, the larval ... that first instar larvae feed on the young terminal leaves for ..... (1941) 34:358-67. 12.
1 to 0. 3% to an adequate synthetic diet, the larval weight of tobacco budworm was reduced correspondingly ... reduces their toxicity to the insect ( 23). The antibiotic action of .... tration of these acids varied with age and variety of sunflower,.
induced effects of plant regulator-treated plants to various sap- ... (ID, (X) Black current. Gall mite .. 36. (X). Apple. Apple aphid and mite. 37. (X). Pear. Pear psylla.
systems for integrated pest management were recommended ... of escape in space and time as well as by chemical antibiosis ... When cotton tannin was added at 0. 1 to 0. 3% to an adequate synthetic diet, the larval weight .... mented (42, 43).
disease may result in novel and major gains in plant pathology, plant breeding ... S types of male sterile cytoplasms are resistant to the fungus and insensitive to ...
written on the subject of plant-insect interactions, no attempt ... of "secondary metabolic products" of which many function in .... When cotton tannin was added at 0. 1 to 0. 3% to an adequate synthetic diet, the larval weight ... digestive and othe
developed intricate physical as well as chemical protective mechanisms. The two .... In host-plant resistance studies, i t is therefore imperative for investigators to ...
insects which could defoliate their host trees repeatedly. This .... good feeding sites (29). .... said to resemble a "shell game", in which a valuable resource.
pathogen also systemically protect plants against disease caused by subsequent infection by the ... tic information for resistance into all cells of the host. The.
This is best exemplified in the case of ..... One of the best illustrations of the involvement of a macro- ... These points are illustrated in the H_. sacchari-sugarcane.
Host plant resistance (HPR) has been recognized since the early 1800's. ..... feed and travel toward the husk, and eventually inflicting damage ... Lygus bug.
