In wheat,solid stems lead to non-preference by

Resistance to ........ in bhindi ($Abelmoschus$ $esculentus$) was transferred from a wild species and resulted in a new variety of $A. esculentus$ called ........

Discuss the two main limitations of plant hybridization programme.

Crop rotation is carried out for

$A$ scion is grafted to stock. The quality of fruits produced will be determined by the genotype of:

Consider the following four statements $(a-d)$ regarding the successful cultivation of chickpea in an area where bacterial blight is common:
$(a)$ Spraying of Bordeaux mixture.
$(b)$ Control of the disease vector.
$(c)$ Use of disease-free seeds.
$(d)$ Use of disease-resistant varieties.
Which of the above are the most effective strategies for managing this disease?