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Abstract
Rocky Mountain penstemon, Penstemon strictus Benth, has a natural range of adaptation that extends from southern Wyoming to central New Mexico, and includes northeastern Arizona and Utah. It is common in western Colorado in association with sagebrush or timber on gravelly or sandy loam soils at an elevation of 1,828 to 3,350 m.
Abstract
Desertwillow Chilopsis linearis (Cav.) Sweet is native of Western Texas to southern California and southward to Mexico with ornamental value in New Mexico (1, 2). ‘Hope’ desertwillow was released for use as a native ornamental in 1980 by New Mexico State University Agricultural Experiment Station and the USDA, Soil Conservation Service, Plant Materials Center at Los Lunas, NM.
Abstract
Russian-olive is an introduced deciduous tree that can be used in shelterbelt, windbreak, and ornamental landscapes. Its silvery leaves, brown stems, and decorative red fruit make a colorful specimen plant or trimmed formal hedge. The trees provide excellent cover for wildlife with fruit consumed by many species of birds and animals and flowers that are used by bees in honey production.
Abstract
‘Autumn Amber’ fragrant sumac, Rhus trilobata Nutt., should be adapted to areas where other plants of fragrant sumac are found. The species grows at elevations up to 2100 m, from Oregon to the Great Plains States and southward into Mexico. In the southwestern states, it is found on limestone outcrops in central and western Texas, and is common in New Mexico, Arizona, and California. In Mexico, it is native to the states of Nuevo Leon, Chihuahua, Cochuila, Tamaulipas, Durango, Puebla, Hidalgo, San Luis Potosi, and Colima. Without irrigation, best growth is obtained when planted in areas receiving 30-36 cm of precipitation. With irrigation, ‘Autumn Amber’ is adapted throughout the western states.
Abstract
GA3 (0, 250, and 500 ppm) was applied at 75% full bloom to blueberry bushes caged with and without bees and to open pollinated bushes. GA3 significantly increased fruit yield per bush, reduced seed wt per fruit, and increased the rate of berry enlargement as compared to fruit not pollinated. No effect was observed on soluble solids and titratable acidity. GA3 appeared to substitute for the effect of pollination and fertilization.
Abstract
Heading-back of about 50% of the previous season’ shoot growth increased leaflet area, internode length and total N of the leaflets. Heading-back did not affect P, K, Zn content of the leaflets or nut yield and quality. SADH increased Zn content of the leaflets, with no effect on N, P, and K. Internode length was reduced with increases in concn of SADH and leaflet area was not affected. Yield and quality were not affected the year of application, but 4,000 ppm significantly increased the yield the next year, an off-production year.
Mustard seed meals of indian mustard [InM (Brassica juncea)] and yellow mustard [YeM (Sinapis alba)], alone and combined, were tested for effects on tomato (Solanum lycopersicum) plants and for suppression of southern root-knot nematode [RKN (Meloidogyne incognita)] and weed populations. In the greenhouse, with all seed meal treatments applied at 0.25% total w/w soil, low tomato plant stands (up to 60% dying/dead) resulted from amendment with 3 YeM:1 InM, 1 YeM:1 InM, and YeM, applied right before transplant. Compared with untreated controls, low numbers of RKN eggs per gram root were consistently recorded from amendment with 3 YeM:1 InM. In a 2012 field study, incorporation of 1 YeM:1 InM (1700 lb/acre) resulted in lower tomato root biomass than fertilizer application (504 lb/acre), YeM or InM (each 1700 lb/acre). All treatments were applied with added fertilizer to achieve 100–102 lb/acre nitrogen, 7.4 lb/acre phosphorus, 74.7 lb/acre potassium, 6.0 lb/acre sulfur, and 1.0 lb/acre boron. The lowest numbers of RKN eggs per gram root (harvest 2012) were collected from plots amended with InM (1700 lb/acre), YeM (850 lb/acre), and 3 YeM:1 InM (1700 lb/acre), but the numbers were not significantly different from fertilizer only (504 lb/acre) controls. Highest and lowest tomato yields (numbers of fruit) in 2012 were recorded from YeM (850 lb/acre) and 3 YeM:1 InM (1700 lb/acre) amendments, respectively. In 2013, there were no significant differences among treatments in eggs per gram root or in tomato yields. No mustard seed meal treatment affected weed populations. At the tested rates, YeM seed meal showed potential for use in tomato beds but results were inconsistent between years.