Developing New Varieties and Hybrids of Tomato Tolerant to Heat, Drought Stresses and Diseases Resistance حسب EL-Saka Zeinab (23752872)

"…They evaluated to study their performance, crossed, selected, and developed in the field and greenhouses to get genetic improvement. </p><p dir="ltr">The tomato breeding program objectives are to obtain plants are being tolerant to heat and drought stresses, and against diseases with commercial quality, desirable characteristics, and total yield under different stresses conditions. …"