Abstract: The present invention relates to a lettuce cultivar having resistance to downy mildew (Bremia lactucae Regel), currant-lettuce aphid (Nasonovia ribis-nigri ) and lettuce mosaic virus (LMV), and which has green, deeply-incised, nicely-frilled leaves. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 79-88 RZ, representative seed having been deposited under NCIMB Accession No. 41615.

Abstract: The present invention relates to a Lactuca sativa seed designated 79-176 RZ, which exhibits resistance against downy mildew strains B1:1-28 and Ca-V to Ca-VIII (Bremia lactucae), Nr:0-biotype of Nasonovia ribisnigri, and an extraordinary high number of leaves of substantially equal size. The present invention also relates to a Lactuca sativa plant produced by growing the 79-176 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 79-176 RZ.

Abstract: The present invention relates to a Lactuca sativa seed designated 79-82 RZ, which exhibits resistance against downy mildew (Bremia lactucae) strains BL:1- (Bremia lactucae), currant-lettuce aphid (Nasonovia ribisnigri) and lettuce mosaic virus (LMV) as well as blond, thin, deeply-incised, nicely-frilled leaves. The present invention also relates to a Lactuca sativa plant produced by growing the 79-82 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 79-82 RZ.

Abstract: The present invention relates to a Lactuca sativa seed designated 79-02 RZ, which exhibits slow bolting, resistance to downy mildew (Bremia lactucae), and currant-lettuce aphid (Nasonovia ribisnigri), as well as leaves which are crisp, deeply-incised, nicely-frilled, and have a medium red colored apical margin. The present invention also relates to a Lactuca sativa plant produced by growing the 79-02 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 79-02 RZ.

Abstract: The present invention relates to a Lactuca sativa seed designated 79-190 RZ or 79-107 RZ, which exhibits resistance to downy mildew (Bremia lactucae Regel.) races B1:1 to B1:28 and currant-lettuce aphid (Nasonovia ribisnigri), as well as an extraordinary high number of red-colored, elongated leaves of substantially equal size. The present invention also relates to a Lactuca sativa plant produced by growing the 79-190 RZ or 79-107 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 79-190 RZ or 79-107 RZ.

Abstract: The present invention relates to a Lactuca sativa seed designated 79-163 RZ, which exhibits resistance to downy mildew (Bremia lactucae Regel.) races B1:1 to B1:28, and which has an extraordinary high number of red-colored, oakleaf-shaped leaves of substantially equal size. The present invention also relates to a Lactuca sativa plant produced by growing the 79-163 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 79-163 RZ.

Abstract: The present invention relates to a Lactuca sativa seed designated 79-41 RZ, which may exhibit resistance to downy mildew (Bremia lactucae Regel.), currant-lettuce aphid (Nasonovia ribis-nigri) and Lettuce Mosaic Virus (LMV), and which may have light green, moderately glossy, deeply-incised, strongly undulated leaves. The present invention also relates to a Lactuca sativa plant produced by growing the 79-41 seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 79-41 RZ.

Abstract: The present invention relates to a head-forming lettuce plant of the species Lactuca sativa having red leaves throughout the head, including the heart. The red leaves in the heart are red even in the absence of radiation with wavelengths shorter than 400 nm, wherein the absence of radiation with wavelengths shorter than 400 nm is in the growing environment during the complete period from sowing until observation. The ratio between anthocyanin and chlorophyll is between 4 and 50, preferably between 9 and 27. The invention also relates to progeny of the plant.

Abstract: The present invention relates to a head-forming lettuce plant of the species Lactuca sativa having red leaves throughout the head, including the heart. The red leaves in the heart are red even in the absence of radiation with wavelengths shorter than 400 nm, wherein the absence of radiation with wavelengths shorter than 400 nm is in the growing environment during the complete period from sowing until observation. The ratio between anthocyanin and chlorophyll is between 4 and 50, preferably between 9 and 27. The invention also relates to progeny of the plant.

Abstract: The present invention relates to a lettuce cultivar having resistance to downy mildew (Bremia lactucae Regel), currant-lettuce aphid (Nasonovia ribis-nigri) and lettuce mosaic virus (LMV), and which has green, deeply-incised, nicely-frilled leaves. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 79-88 RZ, representative seed having been deposited under NCIMB Accession No. 41615.

Abstract: The present invention relates to a lettuce cultivar having resistance to downy mildew (Bremia lactucae) and which has an extraordinary high number of green, round-shaped leaves. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 79-22 RZ, referred to as Socrates, representative seed having been deposited under NCIMB Accession No. 41325.

Abstract: The present invention relates to a new lettuce (Lactuca sativa) variety, seed designated as 79-11 RZ, which exhibits a combination of an extraordinary high number of leaves, resistance to many Bremia-races, and an extraordinary low number of apices under many growing conditions, the representative seed having been deposited with the National Collections of Industrial, Marine and Food Bacteria (NCIMB) in Bucksburn, Aberdeen AB21 9YA, Scotland, UK and assigned NCIMB Acession No. 41614, The present invention also relates to a Lactuca sativa plant produced by growing the 79-11 RZ (Emerson) seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 79-11 RZ.

Abstract: The present invention relates to a lettuce cultivar having resistance to downy mildew (Bremia lactucae) and which has an extraordinary high number of green, round-shaped leaves. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 79-22 RZ, referred to as Socrates, representative seed having been deposited under NCIMB Accession No. 41325.

Abstract: The present invention relates to a head-forming lettuce plant of the species Lactuca sativa having red leaves throughout the head, including the heart. The red leaves in the heart are red even in the absence of radiation with wavelengths shorter than 400 nm, wherein the absence of radiation with wavelengths shorter than 400 nm is in the growing environment during the complete period from sowing until observation. The ratio between anthocyanin and chlorophyll is between 4 and 50, preferably between 9 and 27. The invention also relates to progeny of the plant.

Abstract: The present invention relates to a Lactuca sativa L. var. longifolia Lam seed designated as 41-52 RZ, referred to as Nirvanus, which exhibits resistance against downy mildew (Bremia lactucae Regel), currant-lettuce aphid (Nasonovia ribis-nigri), corky root (Sphingomonas suberifaciens) and lettuce mosaic virus (LMV), the representative seed having been deposited with the National Collections of Industrial, Marine and Food Bacteria (NCIMB) in Bucksburn, Aberdeen AB21 9YA, Scotland, UK and assigned NCIMB Acession No. 41326. The present invention also relates to a Lactuca sativa L. var. longifolia Lam plant produced by growing the 41-52 RZ (Nirvanus) seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 41-52 RZ.

Abstract: The invention relates to a new characteristic of lettuce which is referred to as multileaf characteristic and comprises the capacity to cause the formation in lettuce plants with a determined leaf morphology at the ready-to-harvest stage of significantly more leaves than in lettuce plants with the same leaf morphology which do not contain the characteristic. The term “significantly more” comprises: at least 1½ times as many as a lettuce type with a comparable leaf morphology, preferably at least twice as many, more preferably at least 2½ times as many, most preferably at least 200 leaves, at a ready-to-harvest stage and a determined head weight. The invention further provides a lettuce plant of the genus Lactuca in addition to a lettuce plant of the species Valerianella locusta L. (lamb's lettuce), both with the multileaf characteristic, seed of such lettuce plants and heads of lettuce.