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New strain of sweetpotato whitefly invades California vegetables
oleh: Thomas Perring, Arthur Cooper, Dave J. Kazmer, Clyde Shields, Jon Shields
Format: | Article |
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Diterbitkan: | University of California Agriculture and Natural Resources 1991-11-01 |
Deskripsi
In 1990, a new strain of sweetpotato whitefly invaded Southern California agricultural regions, inflicting heavy damage on cruciferous crops, Problems related to this new strain have impacted vegetable growers throughout California and other growing regions. In the Imperial Valley, 95% of the 1991 fall melons were disced and total losses to summer and fall crops have been estimated at over $120 million.