Show many vegetables injured by pests diseases and insects must be fought until crops are harvested prepared Pr yArd by the united states state 0 t f agriculture from the time the seeds of garden crops are put into the round ground until the crops sire are gathe gathered iid diseases and in sects that must be fought way may appear vegetable troubles are due to numerous causes including unfavorable soil conditions too wet or too dry too cichor rich or too poor lack of humus or of lne whether insulted t somo some crops careless cje us of fertilizers or attacks of fungi or other parasites the adoption of the bent horticultural practice crop rotation the careful application of fertilizers suited to each crops crop adequate adt quate cultivation the planting of bf all crops in their proper season Is important for the successful growing of garden crops special treatment required the control of diseases due to fungi bacteria and other enemies requires special additional treatment as does the damage caused by insects A new bulletin has just been issued by the united states department of agriculture us as farmers bulletin 1371 diseases and insects of garden vegetables the purpose of which Is to present briefly control measures for the most important insects and fungous and bacterial diseases of the home gar den vegetable crops the use of disease free seed and plants says the author of the bulletin Is fundamental to all insect and disease control A modified application of the principle of crop rotation can bp be made even in the home garden by moving the rows of each vegetable to another place each year many diseases and insects live over winter in the soil and will appear on 0 o the plants again a aln next season if they tire are in the same SO me soil furthermore since many of the pests af closely related crops are the same such vegetables should mt be planted in succession vine crops such as aa cucumbers melons etc should not follow one another nor should eab cabbage bage cauliflower or related crops follow one another numerous important diseases are carried in or on the seed and cannot be controlled by seed treat treatment meni suc such h as bean pea pod spot and potato leaf roll and mosaic it Is therefore essential to secure the most disease free seed obtainable methods of control in presenting the methods of controlling insects and diseases the bulletin discusses them under two headings treatment and prevention under treatment are discussed the methods of control which may be applied after the disease or insects have appeared in the garden such as the use of poisoned bait for cutworms cut worms the hand picking of insects and spraying for disease and insect cont control iol under prevention ore are included all measures of control applied prior to disease or insect appearance which will tend to hinder or stop the development of diseases and Insect sor prevent their over wintering to attack the next seasons crops such as planting disease resist ant disease free and weevil free seed treatment of seed to kill insects and diseases or planting crops on parts of the garden free from the pests A copy of the bulletin may be secured as aa long as the supply lasts from the united states department of agriculture washington D 0 |