Inheritance of partial resistance to black stem (Phoma macdonaldii) in sunflower

study of interactions between sunflower genotypes and black stem (phoma macdonaldii) isolates using gge biplot approach

black stem is one of the most important fungal diseases of sunflower which is caused by phoma macdonaldii. this research was conducted to clarify the interactions between a few breeder lines and wild-type accessions of sunflower with seven isolates of phoma macdonaldii, the causal agent, under controlled conditions. the experiment was carried out in randomized complete block design with three r...

Sunflower Resistance to the Red Sunflower Seed Weevil (Coleoptera: Curculionidae)

ارزیابی مقاومت چند رقم آفتاب گردان به بیماری ساق سیاه (Phoma macdonaldii)

بیماری ساق سیاه که عامل آن قارچ (Phoma macdonaldii) می باشد یکی از بیماری های مهم آفتاب گردان به شمار می آید. تولید ارقام مقاوم از روش های مفید برای کنترل این بیماری می باشد. بدین منظور حساسیت ده رقم آفتاب گردان نسبت به این بیماری در اطاق رشد در شرایط کنترل شده در قالب طرح بلوک های کامل تصادفی در سه تکرار که هر تکرار شامل ده گیاهچه بود مورد بررسی قرار گرفت. گیاهچه های 12 روزه به وسیله سوسپانس...

Identification of Microsatellite Markers Linked with Genomic Regions Involved in Resistance to Basal Stem Rot Disease Isolates in Oily Sunflower (Helianthus annuus L.) under Controlled Conditions

Sunflower (Helianthus annuus L.) is an important crop that its oil has nutritional and high economic value. Basal stem rot, caused by Sclerotinia sclerotiorum and S. minor, is one of the important and devastating disease of sunflower. The use of resistant cultivars is considered as the most important and effective method to control the disease. In this study, the reaction of 100 oily sunflower ...

Inheritance and QTL Analysis of Field Resistance to Ashy Stem Blight in Common Bean

Ashy stem blight [caused by Macrophomina phaseolina (Tassi) Goid.] can be a serious disease of common bean (Phaseolus vulgaris L.) under drought and high temperature conditions in some regions. The mode of inheritance of valuable sources of resistance is lacking. We studied inheritance of field resistance to ashy stem blight in a recombinant inbred population (’Dorado’ × XAN 176) consisting of ...