Diseases Of Important Crops Caused By Fungi Bacteria Nematodes Viruses Their Control Measures

चंदन (सांतेलम एल्बम) का सैंडल स्पाईक रोग किसके द्वारा होता है।

The risk of new synthetic compounds can be assessed with the help of information on-
A. Structure of synthetic compound
B. Polarity of compound
C. Tendency of disperse in the environment
D. Persistence E. Conversion to different forms
Choose the correct answer from the options given below

Sandal spike disease of Sandal (Santalum album) is caused by

Which of the following statement is correct about pathogen infecting host system?
A. Fusarium vascular wilt mainly cause disease in wheat plant
B. Rust is a common disease symptom in India, caused by Puccinia graminis
C. Bacteria leaf blight in rice is caused by Magnaporthe oryzae
D. Neem based pesticides are effective in the management of rice diseases
Choose the most appropriate answer from the options given below

किस जानकारी की सहायता से नए कृत्रिम पदार्थ के खतरे का आकलन किया जा सकता है-
A. कृत्रिम पदार्थ की संरचना द्वारा
B. पदार्थ की ध्रुवीयता द्वारा
C. पर्यावरण में फैलने की प्रवृत्ति द्वारा
D. दीर्घ स्थायित्व द्वारा
E. विभिन्न रूपों में रूपांतरण द्वारा
नीचे दिए गए विकल्पों में से सही उत्तर का चयन कीजिए:

Insert stem: Alternate host of wheat rust disease is
A. Chenopodium plant
B. Berberry plant
C. Krishnanil plant
D. Parthenium grass
Choose the most appropriate answer from the options given below: