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bstract. Quantitative real-time PCR (RT-PCR) has already been used to study the expression profile of several plant gene families (Yokoyama and Nishitani, 2001; Mladek et al., 2003; Charrier et al., 2002).
Conventional tillage practices leave soils vulnerable to wind and water erosion. Conservation tillage and cover crops can help to protect soils and crops grown in these soils. New herbicides give farmers a wide array of options to control cover crops and weeds in these systems.
During the life span of higher plants, wounding is a common event. The open wound surface causes uncontrolled water loss and offers an entry point for pathogens.
waif Elevation: < 200 m. Bioregional distribution: Central Coast, San Francisco Bay Area, South Coast, Channel Islands Distribution outside California: to e US; native to s Europe Cult for food, source of sugar.