Losses to cotton, what to look for and where to find it, being one of a series of articles in relation to crops, their common diseases and insect pests to which they are subject . EFFECT OF ANTHRACNOSE ON THE BOLL Cotton boll, showinji only a small spot on the outside, yet the entire lock isdecayed by anthracnose. with the spores as to make them a source of infection in tliesucceeding crop, slionld tliey l)e used for phmting. 24 The young i)lants from this kmd of seed are often at-tacked and killed by these spores even before tliey reaclithe surface of the ground. Unfavorable weather causes ad
Losses to cotton, what to look for and where to find it, being one of a series of articles in relation to crops, their common diseases and insect pests to which they are subject . EFFECT OF ANTHRACNOSE ON THE BOLL Cotton boll, showinji only a small spot on the outside, yet the entire lock isdecayed by anthracnose. with the spores as to make them a source of infection in tliesucceeding crop, slionld tliey l)e used for phmting. 24 The young i)lants from this kmd of seed are often at-tacked and killed by these spores even before tliey reaclithe surface of the ground. Unfavorable weather causes adamping off of the young plants at the ground line. Thisaction of tlie infection may be recognized by the dark-colored and diseased condition of the stem below the. EFFECT OF ANTHRACNOSE ON THE BOLL A boll of cotton badly diseased with anthracnose and covered with a mass of pink spores. ground. Cold, dam]) weather in the spring is especiallylikely to cause this, and under such climatic conditions thespores of anthracnose are usually |)revalent and to their i)eculiar property of dissolving in water,the spores of fungi often become suspended in rain dropsand are thus carried from infected to uninfected fields byrain and wind, and by insects and animals on whose bodiesthey have lodged, having been deposited by drops of the fungi cling to the stalks and live in the ground andseed and thus infect fields from year to year, recurrence of 25
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Keywords: ., bookcentury1900, bookdecade1910, bookidlossestocott, bookyear1919
