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Abstract
MI-221 and MI-600 are pepper (Capsicum annuum L.) germplasm released from the Michigan Agricultural Experiment Station. MI-221 will be useful to breeders in a longterm improvement of the pepper for mechanical harvest, where a high percentage of mature fruits is necessary for once-over harvest. MI-600 will be useful as a source for improved red fruit color.
Abstract
‘Solohead’, as the name suggests, is a broccoli (Brassica oleracea L. var. italica) that bears only the primary head with no lateral shoot development prior to head maturity. Lateral shoots may appear at a later date after the primary head has been harvested. This cultivar shows resistance to black rot [Xanthomonas campestris (Pam.) Dows.]. ‘Solohead’ was developed for commercial production where only the primary head is harvested, but is also useful for the home garden and as a germplasm source.
Abstract
Three cauliflower [Brassica oleraceae L. (Botrytis group)] cultivars, Supreme, Beta-White, and One-Up, from the Michigan Agricultural Experiment Station have performed well in the northern United States and Canada during the summer and fall in a few Southern states during the fall, winter, and spring. These cultivars produce marketable heads at 28° to 35°C (82-95°F) growing temperatures. The plant provides limited curd protection, so the leaves must be tied on large heads. These cultivars freeze well and have good raw and cooked flavor.
Abstract
‘Migold’ is a sweet, pointed bell pepper (Capsicum annuum L.) with yellow immature fruit that ripen to an orange-red color. It is a week earlier than ‘Romanian’ and is adapted to the northern United States. The fruit have been satisfactorily processed as a pickled product. Although initially developed for the pickling trade, ‘Migold’ is also well-suited for fresh market use, the garden, and as parents for breeding programs.
Abstract
Tomato (Lycopersicon esculentum Mill.) populations MI-2000, MI-100, and MI-08 are germplasm released from the Michigan Agricultural Expt. Station. Each population is a bulk of seed from the more promising selections and may need further improvement for horticultural type. The principal value of each population should be as a source of genetic characters, disease resistance, parthenocarpy, and earliness.
Abstract
A cross between rutabaga and cauliflower was achieved by crossing Brassica napus cv. York × B. oleracea cv. Greenball. The characteristics of the F1 differed from rutabaga and were for the most part intermediate between the two parents.
Abstract
In the article “ ‘Advantage’, ‘Pilgrim’, and ‘C om panion’ C elery” by Shigemi Honma, M.L. Lacy, and H.H. Murakishi (HortScience 21:1073-1074, Aug. 1986), H.H. Murakishi's name was spelled incorrectly.
Abstract
In the article “ ‘Ice Formation in Woody Plants Under Field Conditions” by E.N. Ashworth and G.A. Davis (HortScience 21:1233-1234, Oct. 1986) literature citations 1 and 4 were printed incorrectly.
Abstract
The Michigan Agricultural Experiment Station has announced the release of celery [Apium graveolens L. (Dulce group)] cultivars Advantage, Pilgrim, and Companion. ‘Advantage’ is resistant to bolting, ‘Pilgrim’ is resistant to bolting and Fusarium yellows [Fusarium oxysporum f. sp. apii (R. Nelson and Sherb.) Race 2], and ‘Companion’ is resistant to Fusarium yellows race 2 and early blight (Cercospora apii Fres.). These cultivars should be useful for commercial production and for breeding purposes. All 3 cultivars have been grown and evaluated on organic soil in Michigan, New York, Ohio, Wisconsin, and Canada.
Abstract
Sand nutrient cultures (containing different Ca2+ compositions) were used to modify the petiole Ca2+ concentrations in Chinese cabbage (Brassica campestris Group pekinensis). Petiole sections (6.5 cm2) from inner and outer leaves, 30 and 60 days after transplanting, were inoculated with Erwinia carotovora ssp. carotovora to evaluate resistance to soft rot incidence and disease progression. Xylem exudates collected from the plants in the sand nutrient culture were analyzed for Ca2+ concentration. Elevated petiole Ca2+ concentrations were not correlated with the development of soft rot in inoculated petiole sections. Plant age and petiole position (inner and outer) did not consistently affect soft rot development. There was a trend of reduced soft rot in inoculated petiole (inner) sections of ‘Hakuran’ plants as the xylem exudate Ca2+ levels increased.