MANAGEMENT OF WILT AND ROOT ROTS OF COTTON WITH SPECIAL REFERENCE TO BIO FUNGICIDES
| dc.contributor.advisor | KULKARNI, SRIKANT | |
| dc.contributor.author | CHATTANNAVAR, S N | |
| dc.date.accessioned | 2019-09-26T10:22:43Z | |
| dc.date.available | 2019-09-26T10:22:43Z | |
| dc.date.issued | 2002 | |
| dc.description.abstract | Survey was revealed that wilt caused by Fusarium solani up to 20 per cent followed by Rhizoctonia solani and Rhizoctoina bataticola up to six percent and Sclerotium rolfsii was negligible. Among nine isolates of F. solani, the Raichur isolate was more virulent.Among twelve cultures of Trichoderma and two cultures of Gliocladium virens against all four pathogens. T. harzianum of Dharwad isolate was the best and G. virens of TNAU was the best. In growth period studies, T. harzianum reached its peak on 12th day and maltose and dextrose were best to support the growth. Transparent polythene bag was superior. Among substrates wheat bran was superior. In seed treatments, @ 8g/kg of seed and among soil applications, three percent was superior. In the combination, seed treatment @ 8g/ kg with 1% soil applicaiton was superior. Among agro chemicals tested for both T. harzianum and pathogens, the fungicides, carbendazim and benomyl were inhibitory to T. harzianum. Benomyl and carbendaizim were excellent to control F. solani. Similarly, benomyl, methoxy ethyl mercury chloride (MEMC), carboxin, thiram and MEMC were superior to control R. solani and R. bataticola respectively. For S. rolfsii, carboxin was the best. Among insecticides, chlorpyriphos was inhibitory to T. harzianum followed by imidachloprid. Endosulfan was least inhibitory. Carbofuran, phorate and endosulfan were less effective to pathogens. Among herbicides, alachlor was more deletorius than paraquat. Diuron was effective against all four pathogens. Among organic amendments neem cake was superior in suppressing the growth of all four pathogens. In storage studies, increase in temperature lowered cfu and at 0°C it was maximum and wheat bran was the best and can be stored upto five months. Culture filtrates of all twelve Trichoderma and two G. virens on seed germination of Jayadhar and Abhadita with delinted and fuzzed seeds revealed that delinted seeds had better germination and culture filtrates enhanced seed germination. | en_US |
| dc.identifier.citation | No . of references 365 | en_US |
| dc.identifier.uri | http://krishikosh.egranth.ac.in/handle/1/5810129417 | |
| dc.keywords | MANAGEMENT OF WILT AND ROOT ROTS OF COTTON WITH SPECIAL REFERENCE TO BIO FUNGICIDES | en_US |
| dc.language.iso | en | en_US |
| dc.pages | 269p. | en_US |
| dc.publisher | University of Agricultural Sciences, Dharwad | en_US |
| dc.research.problem | MANAGEMENT OF WILT AND ROOT ROTS OF COTTON WITH SPECIAL REFERENCE TO BIO FUNGICIDES | en_US |
| dc.sub | Plant Pathology | en_US |
| dc.subject | null | en_US |
| dc.theme | MANAGEMENT OF WILT AND ROOT ROTS OF COTTON WITH SPECIAL REFERENCE TO BIO FUNGICIDES | en_US |
| dc.these.type | Ph.D | en_US |
| dc.title | MANAGEMENT OF WILT AND ROOT ROTS OF COTTON WITH SPECIAL REFERENCE TO BIO FUNGICIDES | en_US |
| dc.type | Thesis | en_US |