- 10 - 

 Cucumbers and Melons 



Al a » Factors Affecting the Development and Control of Gummy Stem 



Blight of Cucurbits! To (1) determine factors affectingdis"ease 

 development of guamy stem blight; and (2) develop control measures 

 for gummy stem blight, 



Bot. & PI. Path. 550 



Ariz. Breeding and Improvement of Melon Varieties . Maintain (l) 



canteloupe strain testing; (2) cantaloupe breeding; (3) main- 

 tenance of standard varieties; (4) breeding other muskmelons; 

 (5) watermelon breeding. 

 Hort. 295 Coop. ARS 



Ark. Breeding and Selecting Watermelons . To secure an early 



maturing, wilt resistant variety or strain of watermelons, 

 capable of producing high yields of melons with high table 

 quality and adapted to the marketing methods used in Arkansas. 

 Hort. & For. 207 Coop. ARS 



Ark. Breeding and Selecting Pickling Cucumbers , (l) Develop 



a high yielding, bunch bearing variety resistant to downy mildew 

 and anthracnose possessing pickling qualities of firmness retention 

 in salt process, dark green color, desirable shape, tender rind, 

 and slow seed development; (2) make study of blossom retention 

 as it relates to softening in salt curing processes. 

 Hort. & For. 429 Coop. ARS 



Calif. Investigation of the Virus Disease Complex of Cucurbits . 

 Learn (l) distribution, prevalence, and identity of different 

 viruses in cucurbit crops in State; (2) which are seed-borne, 

 percentage of seed transmission, and relation to occurrence and 

 severity; (3) insect vector(s) of different viruses and host 

 range of each type; (4) study relation of cucurbit virus with 

 closely related viruses attacking other crops. 

 PI. Path. 1746 Coop. ARS 



Fla. Virus Diseases of Cucurbits and Other Vegetables in Central 



Florida . To determine mosaic viruses causing diseases of cucurbits, 

 their host range, their insect vectors, and nature of the disease 

 in efforts to develop practical control measures. 

 PI. Path. 538 



Ga. Breeding Watermelons for Disease Resistance and Market Needs . 



To develop resistance to Fusarium wilt, anthracnose, and other 

 diseases in two types of watermelons, (l) high quality, refrig- 

 erator size melons; and (2) large melons of 30 to 40 pounds. 

 PI. Path. 98 





