Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 482 DISEASES OF CULTIVATED PLANTS fragments. On the other hand, if warm weather is suddenly followed by a chill, conidia are produced in abundance. The disease may appear during any period of the growth of the host. Conidiophores gregarious or subfasciculate on large, dry, a. Fig. 144.— tincuitm. i, portion of a maize leaf with fungus ; 2, a cluster of conidiophores, two bearing conidia, highly mag. brownish spots, septate, 150-180x6-9 /x; pale olive, apex
Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 482 DISEASES OF CULTIVATED PLANTS fragments. On the other hand, if warm weather is suddenly followed by a chill, conidia are produced in abundance. The disease may appear during any period of the growth of the host. Conidiophores gregarious or subfasciculate on large, dry, a. Fig. 144.— tincuitm. i, portion of a maize leaf with fungus ; 2, a cluster of conidiophores, two bearing conidia, highly mag. brownish spots, septate, 150-180x6-9 /x; pale olive, apex almost colourless, often nodulose; conidia spindle-shaped, ends acute, 5-8-septate, pale olive, 80-140 x 20-26 /x. A difficult disease to check, perhaps burning the stubble after corn has been gathered, if practicable, would to a certain e.\tent prevent future infection. Rotation of crops, however, would be the most certain method, and as maize impoverishes the soil to a great extent, this course is advisable. Bancroft, Proc. Roy. Soc. Queefisland, 8, p. 108. Hehninthosporitim teres (Sacc.) sometimes proves destruc- tive to the barley crop, causing the leaves to shrivel and die. It forms rather large olive blotches on the leaves.
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