crisphead lettuce


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Related to crisphead lettuce: butterhead lettuce, leaf lettuce
  • noun

Synonyms for crisphead lettuce

lettuce with crisp tightly packed light-green leaves in a firm head

References in periodicals archive ?
2: Severity of symptoms of Fusarium wilt in two leaf lettuce cultivars, three romaine cultivars and five crisphead lettuce cultivars, 3 and 6 weeks after transplanting into a field infested with Fusarium wilt pathogen.
3: Disease severity over time in three plantings (established in June, July and August) of crisphead lettuce cultivars (A) Early Queen and (B) Grand Max.
4: Severity of Fusarium wilt symptoms in a leaf lettuce cultivar (Lolla Rossa) and two crisphead lettuce cultivars (Grand Max and Early Queen) maintained under three temperature regimes.
A continuing objective of our research is to understand the genetic basis of resistance and to elevate the resistance of crisphead lettuce cultivars to Fusarium wilt.