Studies on the comparative longevity, fecundity and sex ratio of some races of Trichogramma evanesceus minutum R, and their reciprocal crosses.

Das, L.K.

Studies on the comparative longevity, fecundity and sex ratio of some races of Trichogramma evanesceus minutum R, and their reciprocal crosses. - 89p.




Longevity
Survival
Morbidity
Sex ratio
Progeny
Hybrid
Heterosis
Breeding
. Vigour
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