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- W1567321737 abstract "My comments are directed to an evaluation of general research directions needed to generate an effective Leafy spurge control research program in the Great Plains Region and some ideas on the role of GPC-14 as a vehicle to help coordinate the efforts of state, federal and private organizations involved in the work. Because of the great economic significance of Leafy spurge in several states of the Northern Great Plains, significant research resources will need to be committed to find satisfactory solutions to control of this persistent pest. An estimated 2.3 million acres of land are infested with Leafy spurge in the Central states, and that number grows each year as the pest spreads. Areas of research emphasis There are three areas of research concentration needed to wage war on spurge. First and possibly most important is a strong research effort into the basic physiology of the plant. This is a difficult and complex task because of the large number of genetic variants of the plant. Numerous basic questions regarding the morphology, the anatomy and the physiology of the plant remain unanswered. Plant scientists have referred to spurge as the “ideal” weed because it is a prolific seed producer, and it easily regenerates from shoots or root fragments. Because the plant tends to defy conventional weed control systems, it is important to understand the biological processes of the plant in order to devise an effective control procedure. The other two needed research areas are control of the spurge plant through biological and/or chemical control systems. It is known that spurge was introduced into North America from Europe. It is perplexing that our ancestors did not bring along the natural enemies of spurge when they brought the seed. We believe that natural enemies (insects and disease) have effectively controlled the spurge plant in Europe to the extent that it is of little economic significance. It seems logical that we should pursue biological control mechanisms to the extent possible if we are to gain some measure of control in North American. Along with biological control, we need to continue research on chemical control to develop more effective systems of control. There is considerable agreement that a coordinated effort of biological and chemical control will be needed to achieve long run solutions to the problem." @default.
- W1567321737 created "2016-06-24" @default.
- W1567321737 creator A5078759734 @default.
- W1567321737 date "1983-01-01" @default.
- W1567321737 modified "2023-09-23" @default.
- W1567321737 title "Future directions of leafy spurge in the Great Plains" @default.
- W1567321737 hasPublicationYear "1983" @default.
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