Photosensitors (Summer, W.)

Combining ability of summer-squash lines with different degrees of parthenocarpy and PRSV-W resistance

The aim was to assess heterosis in a set of 16 summer-squash hybrids, and evaluate the combining capacity of the respective parental lines, which differed as to the degree of parthenocarpy and resistance to PRSV-W (Papaya Ringspot Virus-Watermelon strain). The hybrids were obtained using a partial diallel cross design (4 × 4). The lines of parental group I were 1 = ABX-037G-77-03-05-01-01-bulk,...

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Summer Buzz

t is late Sunday afternoon in August. A child stands alone in the garden listening to the metallic sounds of insects, " reads Charles Burchfield's own description of The Insect Chorus. " They are all his world, so, to his mind, all things become saturated with their presence–crickets lurk in the depths of the grass, the shadows of the trees conceal fantastic creatures, and the boy looks with fe...

Summer Paper

Summer Camps

thousand. Four years later there were about two hundred camps in existence, and five thousand boys were in the field. The number has increased steadily and rapidly in the last five years. Five years ago about ten thousand boys received the benefit of outdoor life during the summer months. During the past season, 1907, there were between four and five hundred summer camps, and about twenty-five ...